Microsoft Word - CNT2

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2 سردبیر و ویراستار علمی: علی صانع ویراستار: فاطمه انیسی گردآوري اطلاعات: مریم گرامی زاده صفحه آرایی: علی احمدیان تحت نظر انجمن نانو تکنولوژي دانشگاه تهران 2

3 آخرین یافتهها پیرامون کاربردهاي نانولولههاي کربنی شماره دوم فهرست پیشگفتار...4 روش اجراي طرح نگاهی آماري به سخنی 5... : این شماره:...6 با خوانندگان :...8 پژوهشهاي ویژگیمحور... 9 ویژگیهاي الکتروشیمیایی (ابرخازنها باتريهاي لیتیوم و ویژگیهاي شیمیایی پیلهاي سوختی ) (کاتالیزورها) ویژگیهاي سطحی (ذخیره گاز کروماتوگرافی پیش تغلیظ ترشوندگی ) ویژگیهاي زیستی (دارورسانی حسگر زیستی کشت سلول ) ویژگیهاي نوري ) پیل خورشیدي حسگرنوري لامپ رشتهاي ) ویژگیهاي نشر میدانی (منبع اشعه ایکس ویژگیهاي رسانایی الکتریکی (حسگرهاي گازي اتصالات میکرونی الیاف ویژگیهاي رسانایی حرارتی (پخش حرارت ویژگیهاي مکانیکی (استحکام نمایشگر) هوشمند) انبساط حرارتی)...26 ارتجاع) ویژگیهاي مکانیک سطحی(سطوح فوقالعاده کماصطکاك چسبهاي تجدیدپذیر ) ویژگیهاي مغناطیسی و الکترومغناطیسی ویژگیهاي الکترومکانیکی NEMS) عضله مصنوعی بلندگو) متفرقه پژوهشهاي ساختارمحور سوسپانسیونهاي رقیق نانولولهاي (مصارف زیستمحیطی فیلمهاي نازك بلورمایع خودآرایی ) نانولولههاي پوشیده از نانوذره (پیل سوختی و خورشیدي نمایشگر حسگر کاتالیزور ) مهندسی فضاي درونی نانولولهها (نانوسیمها نانوسیالات ) فرآوري آرایههاي نانولولهاي (غیرغشا )

4 ﭘﯿﺸﮕﻔﺘﺎر ﻣﻄﺎﺑﻖ دادهﻫﺎي ﺳﺎﯾﺖ ISI ﻣﻘﺎﻻت ﻣﺮﺗﺒﻂ ﺑﺎ ﻧﺎﻧﻮﻟﻮﻟﻪﻫﺎي ﮐﺮﺑﻨﯽ روز ﺑﻪ روز در ﺣﺎل اﻓـﺰاﯾﺶ ﮐﻤـﯽ )ﺷـﮑﻞ -1 راﺳﺖ( و ﮐﯿﻔﯽ )ﺷﮑﻞ -1 ﭼﭗ( اﺳﺖ. ﻫﻤﭽﻨﯿﻦ ﺑﺮرﺳﯽﻫﺎي دﻗﯿﻖ آﻣﺎري ﺑﺎﻧـﮏ ١ ﻧﯿـﺰ ﻧﺸـﺎن داده اﺳـﺖ ﮐـﻪ اﻣـﺮوزه ﻣﺒﺤﺚ ﻧﺎﻧﻮﻟﻮﻟﻪﻫﺎي ﮐﺮﺑﻨﯽ از ﭘﺮﻃﺮﻓﺪارﺗﺮﯾﻦ ﻣﻮارد ﺗﺤﻘﯿﻘﺎﺗﯽ در ﻣﯿﺎن ﻣﻘﺎﻻت ﻋﻠﻤﯽ اﺳﺖ Article Number Year ﺷﮑﻞ :1 آﻣﺎر ﻣﻘﺎﻻت داراي ﻋﻨﻮان ﺣﺎوي ﻟﻔﻆ ﻧﺎﻧﻮﻟﻮﻟﻪﻫﺎي ﮐﺮﺑﻨﯽ )راﺳﺖ( و ﻧﯿﺰ ﻣﯿﺰان ارﺟﺎع دﻫﯽ ﺑﻪ آﻧﻬﺎ )ﭼﭗ( در ﭘﺎﯾﮕﺎه داده.ISI از ﺳﻮي دﯾﮕﺮ در ﺑﺮرﺳﯽ ﺛﺒﺖ اﺧﺘﺮاﻋﺎت ﻧﯿﺰ ﻗﺮاﯾﻠﻮ و ﻫﻤﮑﺎران ٢ درﯾﺎﻓﺘﻨﺪ ﮐﻪ ﻧﺎﻧﻮﻟﻮﻟﻪﻫﺎي ﮐﺮﺑﻨﯽ از ﻣﻌﺪود ﻧﺎﻧﻮ ﺳﺎﺧﺘﺎرﻫﺎﯾﯽ ﻫﺴﺘﻨﺪ ﮐﻪ ﻫﻢ ﺳﻬﻢ زﯾﺎدي از اﺧﺘﺮاﻋﺎت ﺛﺒﺖﺷﺪه را ﺑﻪ ﺧﻮد اﺧﺘﺼﺎص دادهاﻧﺪ و ﻫﻢ ﺳﺮﻋﺖ ﺛﺒﺖ اﯾﻦ اﺧﺘﺮاﻋﺎت ﺑﺎﻻﺳﺖ)ﺟﺪول.(1 ﻫﻤﭽﻨﯿﻦ ﻣﻄﺎﺑﻖ ﮔﺰارش ﻣﺆﺳﺴﻪ آﻣﺮﯾﮑﺎﯾﯽ ﺑﺴﯿﺎر ﻣﻌﺘﺒﺮ Lux Research Inc. ﺑﺎزار ﺟﻬﺎﻧﯽ ﻧﺎﻧﻮﻟﻮﻟﻪﻫﺎي ﮐﺮﺑﻨﯽ داراي ﺳﺮﻋﺖ رﺷﺪ ﻗﺎﺑﻞ ﺗﻮﺟﻬﯽ )ﺣﺪود (%40 اﺳﺖ. ﻟﺬا اﮔﺮ ﮐﺸﻮر ﻣﺎ ﻫﻢ ﺑﺨﻮاﻫﺪ در اﯾﻦ 3 ﺑﺎزار ﭘﺮﺟﻬﺶ ﻧﻘﺸﯽ اﯾﻔﺎ ﮐﻨﺪ ﺑﺎﯾﺪ ﻣﺤﻘﻘﯿﻦ ﺧﻮد را ﺑﻪ ﻧﺤﻮ ﻣﻘﺘﻀﯽ ﺑﻪ اﯾﻦ ﻣﺴﯿﺮ ﻫﺪاﯾﺖ ﮐﻨﺪ. Banks, M.G., An extension of the Hirsch index: Indexing scientific topics and compounds Scientometrics, (1): p. ١ Gharailu, D., M. Maghrebi, and A. Abbasi. Investigation of Patent Offices Based on Derwent Innovative Index ٢ Al'ain, UAE. 4

5 تعداد اختراعات ثبت شده زیاد متوسط کم نانوذرات نانو الیاف صعودي نانولوله ها موارد متفرقه نانو سیمها محاسبه کوانتومی رشد سهم اختراعات نوسانی نزولی چاههاي کوانتومی مقاومت مغناطیسی غول آسا نانوکامپوزیتها نقاط کوانتومی (مواد نانوحفرهاي میان حفره اي ها و سیلیکون متخلخل ( فولرین ها ذرات کلوي یدي تک لایههاي خود آرا درخت سانها تک مولکولها جدول 1 : میزان تغییرات سهم عناصر پایه فناوري نانو در اختراعات ثبتشده در Derwent Innovative Index بین سالهاي 2000 تا 2003 با این حال پایش انبوه اطلاعات تولید شده در دنیا بدون دسته بندي دقیق و یا استخراج یافتههاي تکتک مقالات خارج از حوصله اکثر علاقهمندان است. به عنوان مثال اساتید دانشگاه به دلیل کثرت اشتغالات زمان بسیار کمی براي پایش مقالات حتی یک مجله را دارند. اما اگر جدیدترین مقالات همه مجلات مطرح بنديشده در دسترس این اساتید قرار گیرد آنها روزترین پروژهها را براي دانشجویان خود تعریف کنند. به صورتی کاملا دسته میتوانند با مقدورات آزمایشگاهی خود مناسب ترین و به نتیجه این تحقیقات به واسطه بهروز بودن به راحتی در مجلات معتبر چاپ شده و به واسطه کاربردي بودن به راحتی با سلیقه مدیران دولت و صنعت که از غیرکاربردي بودن تحقیقات نانو گلهمندند- جور در میآید. لذا وجود چنین مجلهاي میتواند موجب ارتقاي تو امان رتبه علمی دانشگاه از یک سو و تسهیل ارتباط دانشگاه با صنعت از سوي دیگر شود. روش اجراي طرح : فرایند گردآوري مقالات این مجلد شامل غربال گري چکیده مقالات حدود 70 مجله معتبر مطرح از ناشران معتبري همچون RSC, ACS, Elsevier, IoP, AIP/APS انتخاب مقالات توسط یکی از اساتید مهندسی شیمی انجام شده است. بوده است تمام قسمت که بعد از دسته بندي چکیده مقالات بر حسب ویژگی و ساختار عنوان مقاله مهمترین پیام هر مقاله و آدرس اینترنتی آن استخراج شده است. در پایان طی دو مرحله از منظر کیفیت و دقت مطالب نظارت صورت گرفته است. 5

6 نگاهی آماري به این شماره: در این شماره تعداد 127 مقاله در دو دسته کلی پژوهش هاي ویژگی محور و پژوهش هاي ساختار محور طبقه بندي شده است. پژوهش هاي ویژگی محور: این مقالات به بررسی ویژگیهاي نانولولههاي کربنی میپردازد که در بررسی انجام شده تعداد 115 مقاله گردآوري شده است پژوهش هاي ساختار محور: این مقالات به بررسی و ساخت انواع نانولولههاي کربنی میپردازد که در بررسی انجام شده تعداد 12 مقاله گردآوري شده است. پژوهش هاي ویژگی محور 7; 6% ; مکانیکی ;7 ; رسانایی حرارتی 6% 8; 7% ; نشر میدانی 20; 17% ;سایر 18; 16% ; سطحی ; رسانایی الکتریکی 18; 16% 8; 7% ; نوري 13; 11% ; زیستی 16; ; الکتروشیمیایی 14% 6

7 ﭘﮋوﻫﺶ ﻫﺎي ﺳﺎﺧﺘﺎر ﻣﺤﻮر ﺳﻮﺳﭙﺎﻧﺴﯿﻮنﻫﺎي رﻗﯿﻖ ; 8; 67% ﻧﺎﻧﻮﻟﻮﻟﻪاي ﻓﺮآوري آراﯾﻪﻫﺎي ; 1; 8% ﻧﺎﻧﻮﻟﻮﻟﻪاي ﻧﺎﻧﻮﻟﻮﻟﻪﻫﺎي ﭘﻮﺷﯿﺪه از ; 1; 8% ﻧﺎﻧﻮذره ﻣﻬﻨﺪﺳﯽ ﻓﻀﺎي دروﻧﯽ ; 2; 17% ﻧﺎﻧﻮﻟﻮﻟﻪﻫﺎ 7

8 سخنی با خوانندگان: محققان محترم توجه داشته باشید که تیم نشریه با تمام توان درصدد بروز کردن خود با مقالات منتشر شده در پایگاه هاي مختلف علمی می باشد ولی به ناچار در چند شماره ابتدایی مقالاتی که در سالهاي قبل به چاپ رسیده مورد بررسی قرار می گیرند. در راستاي اهداف نشریه این شماره از فصل نامه به دوماه نامه تغییر یافت. امید است به یاري خداوند و تلاش اعضاي تیم نشریه بتوانیم بعد از مدت کوتاهی به ماهنامه تغییر نام دهیم. در این شماره براي سهولت و زیبایی عنوان مقالات به صورت هایپر لینک قرار گرفته است لذا با کلیک روي عنوان مقاله صفحه ژورنال مربوطه باز خواهد شد. این نشریه متعلق به شماست. با نظرهاي سازنده خود ما را در انجام بهتر این امر یاري کنید. هر گونه انتقاد یا پیشنهاد خود را می توانید به ایمیل ارسال فرمایید. 8

9 پژوهشهاي ویژگیمحور 9

10 ویژگیهاي پیلهاي سوختی) الکتروشیمیایی (ابرخازنها باتريهاي لیتیوم و ١. Composites of Double-Walled Carbon Nanotubes with bis-quaterthiophene- Fluorenone Conjugated Oligomer: Spectroelectrochemical and Photovoltaic Properties ٥٠ mv lower in oxidative doping Voc =٠.٥٣ V & power conversion efficiency= ٠.٤٣% ٢. Three-dimensional architecture of carbon nanotube-anchored polymer nanofiber composite The improved conductivity of the composite mat, high catalytic current (٣٤٠٠ ma/cm٢/mg Pt) and long term stability efficient formation of CNT bridges between nanofibers ٣. Electrocatalytic Activity of Spots of Electrodeposited Noble-Metal Catalysts on Carbon Nanotubes Modified Glassy Carbon Au: highest electrocatalytic activity Ru versus Au: showing a higher electrocatalytic activity toward the ORR ٤. Electrocatalytic Activity of Nitrogen-Doped Carbon Nanotube Cups effectively catalyzing O٢ reduction H٢O٢ oxidation for glucose detection entirely free of precious metals ٥. Effect of Randomly Networked Carbon Nanotubes in Silicon-Based Anodes for Lithium-Ion Batteries Excellent electrochemical performances (initial capacity>٢٠٠٠ mah g -١, initial coulombic efficiency ~٨٠%, and improved lifetime) ٦. Electrochemistry at carbon nanotubes: perspective and issues Review High resolution electrochemical and electrical imaging techniques playing a significant role in the future 10

11 ٧. Carbon nanotube capacitors arrays using high-k dielectrics Specific capacitance: ٠.٦٢μF/cm٢ Higher aspect ratio higher permittivity higher capacitance structures ٨. A novel hybrid supercapacitor with a carbon nanotube cathode and an iron oxide/carbon nanotube composite anode Scalable technique ٨٠٠% higher energy density Decreasing of internal resistance, improvement in both ion diffusion behaviour and the integrity of the Fe٢O٣ containing films ٩. Multifunctional MnO٢-Carbon Nanoarchitectures Exhibit Battery and Capacitor Characteristics in Alkaline Electrolytes Mn oxidation state: ٣.٧٢-٣.٤٣(٠.٧١ after ٢٥ harsh cycle) Investigating the role of Li+ from the alkaline electrolyte in enhancing the cycling stability of the MnOx-carbon nanofoam ١٠. Electrochemical Impedance Spectroscopy at Single-Walled Carbon Nanotube Network Ultramicroelectrodes stable, well-defined and reproducible EIS responses for electrolysis of a simple outer sphere redox couple (FcTMA+/٢+) ١١. Layered Carbon Nanotube-Polyelectrolyte Electrodes Outperform Traditional Neural Interface Materials It may lead to a new generation of implantable electrodes ١٢. Pt Nanoparticles Supported on Nitrogen-Doped Porous Carbon Nanospheres as an Electrocatalyst for Fuel Cells chemical activation using KOH, PCNs containing N functional groups possessing a microporous structure with a high surface area of ١٠١٠ m٢/g and a particle size of less than ١٠٠ nm 11

12 ١٣. Carbon Nanofiber with Selectively Decorated Pt Both on Inner and Outer Walls as an Efficient Electrocatalyst for Fuel Cell Applications two times higher electrochemical active area ٤٠٠% higher rate constant for oxygen reduction reaction ١٤. Electrocatalytic Activity of Oxygen and Hydrogen Peroxide Reduction at Poly(iron tetra(o-aminophenyl) porphyrin) Coated Multiwalled Carbon Nanotube Composite Film Higher activity due to both MWCNTs and PFeTAPP Promising electrocatalytic activity toward the reduction of O٢ and H٢O٢ Enhancement of O٢ reduction at the composite film Higher sensitivity values than voltammetric technique ١٥. Facile synthesis of activated carbon/carbon nanotubes compound for supercapacitor application Specific capacitance of ٢٤٣ Fg-١ ١٦. Photoelectrochemical cells based on bis-aniline-crosslinkedcds nanoparticle carbon nanotube matrices associated with electrodes Photocurrent quantum yield of ϕ = ٦.١% 12

13 ویژگیهاي شیمیایی (کاتالیزورها) ١٧. The use of carbon nanotubes with and without nitrogen doping as support for ruthenium catalysts in the ammonia decomposition reaction High yields towards hydrogen production Higher catalyst activity when doped with nitrogen ١٨. Efficient Production of H٢ and Carbon Nanotube from CH٤ over Single Wall Carbon Nanohorn Quite large amount of the H2 release (starts from ca. 820 K) over the Pd-dispersed SWCNH samples compared with a commercial Pd-activated carbon. ١٩. Preparation of Multiwalled Carbon Nanotube-Supported Nickel Catalysts Using Incipient Wetness Method The effects of acid type and concentration, acid treatment time, partial oxidation, nickel loading, precursor solvent, and calcination temperature on the size of the nickel nanoparticles and homogeneity of the composite material is evaluated. ٢٠. Rational preparation of faceted platinum nanocrystals supported on carbon nanotubes with remarkably enhanced catalytic performance Exhibition of high electrochemical catalytic activity of oxygen reduction Extremely high selectivity for the oxidation of glycerol to glyceraldehyde 13

14 ویژگیهاي سطحی ترشوندگی) (ذخیره گاز کروماتوگرافی پیش تغلیظ ٢١. Selectivity in the Interaction of Electron Donor and Acceptor Molecules with Graphene and Single-Walled Carbon Nanotubes Tetracyanoethylene (TCNE) shows the highest interaction energy with both graphene and SWNTs ٢٢. Adsorption of pairs of NOx molecules on single-walled carbon nanotubes and formation of NO+NO٣ from NO٢ Local curvature has a sizable effect on adsorption energies ٢٣. Electrowetting Control of Cassie-to-Wenzel Transitions in Superhydrophobic Carbon Nanotube-Based Nanocomposites Resolving the problem between the slippy Cassie state and the sticky Wenzel states Potential for stabling superhydrophobic capability of nanostructured surfaces ٢٤. Comparison with as-grown and microwave modified carbon nanotubes to removal aqueous bisphenol A Adsorption capacity of BPA on the surface of CNTs fluctuates very slightly with ph in the range of ٣ ٩, suggesting the high stability of CNTs. ΔH٠: ١١.٧ kj/mol& ΔS٠: ٤٦.١ J/mol ٢٥. Adsorption of aqueous cadmium (II) onto modified multi-walled carbon nanotubes following microwave/chemical treatment A pseudo second-order model accurately capturing the adsorption kinetics MW/H٢SO٤ and MW/H٢SO٤/KMnO٤ modification not only increased the area of active adsorption sites of CNTs but also reduced the modification period by microwave heating ٢٦. Water purification of removal aqueous copper (II) by as-grown and modified multiwalled carbon nanotubes ΔH٠ values: ٢٩.٩٢ kj/mol 14

15 ٢٧. Electronic Structure Calculations of Gas Adsorptio on Boron-Doped Carbon Nanotubes Sensitized with Tungsten Absorbtion with varied affinity A critical step in designing high-fidelity sensor materials, selective adsorbents, and more effective catalysts ٢٨. Water/oil repellency and drop sliding behavior on carbon nanotubes/carbon paper composite surfaces Contact angle >١٥٠ ٢٩. Computer simulation of hydrogen physisorption in a Li-doped single walled carbon nanotube array Optimumizing hydrogen storage capacity ٣٠. Adsorption of C٦ hydrocarbon rings on mesoporous catalyst supports More sensitivity of CNTs to unsaturated adsorbates ٣١. Electromagnetic modulation of carbon nanotube wetting Improvement of tube wetting ٣٢. Adsorption from aqueous solutions on opened carbon nanotubesorganic compounds speed up delivery of water from inside Discussion of the behaviour of tube water as well as tube adsorbate systems, for three different adsorbates (benzene, phenol and paracetamol) ٣٣. Theoretical analysis of carbon nanotube wetting in polystyrene nanocomposites Improvement in electronic properties of the nanocomposite by removing surfactant from CNTs surface ٣٤. Effect of Fluorination of Carbon Nanotubes on Superhydrophobic Properties of Fluoro-based Films Film transmittance: ٨٣.٥% Sheet resistance: ١.٣٨ ١٠٤ Ω sq ١ High contact angle of ١٦٠.٢ 15

16 ٣٥. A gas-phase hydrophilization of carbon nanotubes by xenon excimer ultraviolet irradiation abundant carboxylic groups Improvement of wettability ٣٦. Hydrogen storage in carbon nanotubes revisited Hydrogen storage capacity of the CNTs: less than ١.٧ wt.% CNTs can be an effective additive to some other hydrogen storage materials to improve their kinetics. ٣٧. Comparison with as-grown and microwave modified carbon nanotubes to removal aqueous bisphenol A Adsorption capacity of BPA on the surface of CNTs fluctuates very slightly with ph in the range of ٣ ٩, suggesting the high stability of CNTs. ΔH٠: ١١.٧ kj/mol& ΔS٠: ٤٦.١ J/mol ٣٨. First-Principles Study of Pd-decorated carbon nanotube for hydrogen storage Maximum hydrogen storage capacity of ٢.٨٨ wt% Enhancement of hydrogen storage capacity by using the openshell transition metal/swcnt media 16

17 ویژگیهاي زیستی (دارورسانی حسگر زیستی کشت سلول) ٣٩. Oriented Immobilization of Antibody Fragments on Ni-Decorated Single-Walled Carbon Nanotube Devices Not noticeable change of conductance upon addition of CEA Clear increase in conductance using Ni-decorated SWNT-FETs functionalized with engineered scfvs. ٤٠. Effect of Randomly Networked Carbon Nanotubes in Silicon-Based Anodes for Lithium-Ion Batteries Excellent electrochemical performances (initial capacity>٢٠٠٠ mah g -١, initial coulombic efficiency ~٨٠%, and improved lifetime) ٤١. Non-covalent biofunctionalization of single-walled carbon nanotubes via biotin attachment by [small pi]-stacking interactions and pyrrole polymerization Both sensor setups showing a perfect linear increase of immobilized enzymes Highest sensitivity: ٥.٢ ma M-١ cm-٢; maximum current density: ٥٥µA cm-٢ Better permeability for hydrogen peroxide ٤٢. Chemistry of carbon nanotubes in biomedical applications Chemical modification is the most effective way to use CNTs Underlying factors that led to the controversy in the previous experimental data of safety studies of CNTs were analyzed. ٤٣. Review on carbon-derived, solid-state, micro and nano sensors for electrochemical sensing applications A review about carbon nanotubes, diamond like carbon films and diamond film-based sensors ٤٤. An evaluation of cell proliferation and adhesion on vertically-aligned multi-walled carbon nanotube films Low level of bioavailable Fe and Ni 17

18 +٢٠% proliferation on Ti ٤٥. Carbon nanotubes as a protein toxin transporter for selective HER٢-positive breast cancer cell destruction Three times higher cell death rates for L-٩٢٩, HL٧٧٠٢, MCF-٧, HeLa and COS-٧ cells ٤٦. Specific biosensing using carbon nanotubes functionalized with gold nanoparticleantibody conjugates Negligible response to mismatched proteins ٤٧. Carbon nanotube-supported gold nanoparticles as efficient catalysts for selective oxidation of cellobiose into gluconic acid in aqueous medium ٨٠% yield of gluconic acid at ١٤٥ C. ٤٨. Preparation of ١٤C-Labeled Multiwalled Carbon Nanotubes for Biodistribution Investigations Unique detection threshold Determining a long time period whether or not NTs remain in any organs ٤٩. Mode of dye loading affects staining outcomes of fluorescent dyes in astrocytes exposed to multiwalled carbon nanotubes Enhancement of cellular staining of Rho ١٢٣ and FDA after MWCNT exposure ٥٠. Biomonitoring of Organophosphorus Agent Exposure by Reactivation of Cholinesterase Enzyme Based on Carbon Nanotube-Enhanced Flow-Injection Amperometric Detection More feasible with extremely high sensitivity and selectivity electrochemical detection of the products from enzymatic reactions ٥١. Promises, facts and challenges for carbon nanotubes in imaging and therapeutics Review of Addressing common questions 18

19 ویژگیهاي نوري ) پیل خورشیدي حسگر نوري لامپ رشتهاي) ٥٢. Composites of Double-Walled Carbon Nanotubes with bis-quaterthiophene- Fluorenone Conjugated Oligomer: Spectroelectrochemical and Photovoltaic Properties ٥٠ mv lower in oxidative doping Voc =٠.٥٣ V & power conversion efficiency= ٠.٤٣% ٥٣. Effects of total CH٤/Ar gas pressure on the structures and field electron emission properties of carbon nanomaterials grown by plasma-enhanced chemical vapor deposition -٢٠% lower turn-on field emission (١.٤ V/m) ٥٤. Force- and light-controlled electrical transport characteristics of carbon nanotube ١D/٢D bulk junctions Excellent chemical stability and good mechanical properties ٥٥. Diameter Dependence of the Dielectric Constant for the Excitonic Transition Energy of Single-Wall Carbon Nanotubes Experimental Eii values within ±٧٠ mev for a diameter range ٠.٧<dt<٣.٨ nm & ١.٢<Eii<٢.٧ ev ٥٦. Revisiting the Laser Dye Styryl-١٣ As a Reference Near-Infrared Fluorophore: Implications for the Photoluminescence Quantum Yields of Semiconducting Single- Walled Carbon Nanotubes quantum yield of ٢.٠ (٤.٥) and ٠.٥٢ (٠.٨٠) % quantum yields of of singlet oxygen = ١.٤% ٥٧. Doping behavior of single-walled carbon nanotubes with differently charged porphyrins The influence of the net charge of the porphyrin as a determining factor in the energy map maximum shifts (EMMS) relative to that of a pristine dispersion. ٥٨. Well-aligned multi-walled carbon nanotubes emitting natural white-light under microwave irradiation 19

20 a bright white-light emission with narrow-band RGB colors ٥٩. Photoinduced electron transfer in aqueous carbon nanotube/block copolymer/cds hybrids: application in the construction of photoelectrochemical cells Efficient fluorescence emission quenching of CdS nanoparticles Photocurrent efficiency: ٧% 20

21 ویژگیهاي نشر میدانی (منبع اشعه ایکس نمایشگر) ٦٠. Influence of the tip effect of a carbon nanostructure on low current electrical arc initiation Understanding of the electrical arc behaviour by an investigation at submicronic scale ٦١. Enhanced field emission stability and density produced by conical bundles of catalystfree carbon nanotubes Better emission stability and enhanced density Higher emission density due to the reduced screening effects Two-order lower electric field loading ٦٢. Effects of total CH٤/Ar gas pressure on the structures and field electron emission properties of carbon nanomaterials grown by plasma-enhanced chemical vapor deposition -٢٠% lower turn-on field emission (١.٤ V/m) ٦٣. The Enhanced Field-Emission Properties of Screen-Printed Single-Wall Carbon- Nanotube Film by Electrostatic Field operating field: < ١.٠ V/µm current density > ٣.٥ ma/cm٢. ٦٤. Field emission characteristics of carbon nanotubes post-treated with high-density Ar plasma ٧٣ times higher emission current density ٦٠% lower turn-on field An efficient method to enhance the site density for electron emission ٦٥. Field emission of carbon-nanotube point electron source Emission current of MWCNT stable up to ١٠ μa and reaching ~٢mA (~٣٠٠% higher threshold than the current of the existing single MWCNT tip) about three orders of magnitude higher Rapid fluctuation and gradually diminishing of the current 21

22 ٦٦. Carbon Nanotube Field Emission Cathodes Fabricated with Trivalent Chromium Conversion Coated Substrates Rough surface with self-assembled sub-micro-cracks on the substrate dramatically enhance the uniformity of the emission pattern and the emission efficiency Showing good field emission properties (high brightness, good uniformity turn-on field: ٠.٨٦ V/μm and current density: ١٠ ma/cm٢ ٦٧. The stability of the CNT/Ni field emission cathode fabricated by the composite plating method A novel composite plating method Decreasing of the graphitization degree with the duration time (obvious cracks as tfe> ٦٠h) 22

23 ویژگیهاي رسانایی الکتریکی میکرونی الیاف هوشمند) (حسگرهاي گازي اتصالات ٦٨. Removal of the Residual Surfactants in Transparent and Conductive Single-Walled Carbon Nanotube Films ٢٥٠% higher conductance of SWNTs films Deceasing of the sheet resistance to ٢.٠ kω/sq ٦٩. Multi-walled carbon nanotubes covalently attached with poly(٣-hexylthiophene) for enhancement of field-effect mobility of poly(٣-hexylthiophene)/multi-walled carbon nanotube composites Quite high field-effect mobility ٧٠. A self-sensing carbon nanotube/cement composite for traffic monitoring Sensitive and stable responses to repeated compressive loadings and impulsive loadings Remarkable responses to vehicular loadings ٧١. Investigation on sensitivity of a polymer/carbon nanotube composite strain sensor Higher tunneling resistance or higher ratio of the tunneling resistance to the total resistance of the sensor higher sensor sensitivity ٧٢. Graphitic Electrical Contacts to Metallic Single-Walled Carbon Nanotubes Using Pt Electrodes Improvement of electronic behavior is primarily due to the formation of an all-carbon nanotube/graphite interface ٧٣. Highly Stable and Sensitive Gas Sensor Based on Single-Walled Carbon Nanotubes Protected by Metal-Oxide Coating Layer excellent sensing stability with a variation of sensor response less than ٧-٨% ٧٤. Electrical and Dielectric Properties of Hydroxylated Carbon Nanotube-Elastomer Composites 23

24 One of the simplest types of core-shell MWNTs Demonstration of core-shell MWNTs to increase the dielectric constant and reduce the dielectric loss of nanotube-polymer composites ٧٥. Low-temperature gas and pressure sensor based on multi-wall carbon nanotubes decorated with Ti nanoparticles Strong enhancement of chemical sensitivity to oxygen ٧٦. Formation of Interconnects with Carbon Nanotubes by Nano-Patterning and Acoustics-Assisted Alignment Fabrication of self-assembled interconnects through the combined usage of nano-patterning, surface functionalization and DWCNT alignment ٧٧. Piezoelectric properties of poly(vinylidene fluoride) and carbon nanotube blends: [small beta]-phase development almost pure -phase crystal at low MWCNT Monotonous increase of -phase with MWCNT during poling ٧٨. Rheological and electrical percolation in melt processed poly(ether ether ketone)/multi-wall carbon nanotube composites A sharp transition from an electrically insulating to a conductive composite(٠.٩ wt%- ١.٣ wt%) solid-like behavior above ١% nanotube Guth s filler reinforcement theory is valid substantial length degradation during the dispersion process ٧٩. Force- and light-controlled electrical transport characteristics of carbon nanotube ١D/٢D bulk junctions Excellent chemical stability and good mechanical properties ٨٠. Effects of total CH٤/Ar gas pressure on the structures and field electron emission properties of carbon nanomaterials grown by plasma-enhanced chemical vapor deposition -٢٠% lower turn-on field emission (١.٤ V/m) 24

25 ٨١. Quantum conductance in double-wall carbon nanotubes grown by chemical vapor deposition Two discrete conductances, ٠.٢٤G٠ and ٠.٩١G٠ (G٠=٢e٢/h), were identified as lowest metallic subbands in outer walls ٨٢. Physical properties of nanocomposites prepared by in situ polymerization of highdensity polyethylene on multiwalled carbon nanotubes +٢٠% Increasment of the DC conductivity ٨٣. Molecular Engineering to Minimize the Sheet Resistance Increase of Single-Walled Carbon Nanotube/Binder Hybrid Conductive Thin Films The SWNT/phenyl-functionalized silane thin films shows a significant enhancement in the optoelectrical properties even the strongest π-πinteraction with the nanotubes ٨٤. Three-dimensional architecture of carbon nanotube-anchored polymer nanofiber composite The improved conductivity of the composite mat, high catalytic current (٣٤٠٠ ma/cm٢/mg Pt) and long term stability efficient formation of CNT bridges between nanofibers ٨٥. Work function engineering of carbon nanotube transparent conductive films Deposition of less than ٠.٥ nm of aluminum: enough to control the work function of CNT transparent conductive films 25

26 ویژگیهاي رسانایی حرارتی (پخش حرارت انبساط حرارتی) ٨٦. Lattice thermal conductivity of single-walled carbon nanotubes: Beyond the relaxation time approximation and phonon-phonon scattering selection rules Particularly poor description of thermal transport in SWCNTs because of the unusually weak phonon-phonon umklapp scattering ٨٧. Crossover from Ballistic to Diffusive Thermal Transport in Carbon Nanotubes ballistic and diffusive phonons coexist anomalous nonlinear dependence of tube length mechanism of crossover in terms of the length-dependent characteristic frequency ٨٨. Comparing Results from Molecular Dynamics and the Boltzmann Transport Equation ٤ times smaller than previously-reported No alteration in the thermal conductivity of CNTs ٨٩. Reducing thermal contact resistance using a bilayer aligned CNT thermal interface material Thicker copper substrate or CNT layer lowers overall thermal resistance ٢٩٠%higher thermal conductivity ٩٠. Thermal Boundary Resistances of Carbon Nanotubes in Contact with Metals and Polymers Exceptionally high TBRs between CNTs and their surroundings ٩١. Effect of functionalized carbon nanotubes on the thermal conductivity of epoxy composites ٦٨٤% higher thermal conductivity Higher solubility and compatibility Effective network for heat flow by covalent bonding ٩٢. A specific heat anomaly in multiwall carbon nanotubes as a possible sign of orientational order-disorder transition 26

27 It may be related with a melting of orientational dislocations of individual tubes within multiwall nanotubes 27

28 ویژگیهاي مکانیکی (استحکام ارتجاع) ٩٣. Mechanical Properties Of Vapor Grown Carbon Nanofibers Elastic modulus increased from ١٨٠ GPa to ٢٤٥ GPa Characteristic strengths: ٢.٧٤-٣.٣٤ GPa ٩٤. Carbon nanotube/epoxy composites fabricated by resin transfer molding Young s modulus: ٢٠.٤ GPa (+٧١٦%) Tensile strength: ٢٣١.٥ MPa (+١٦٠%) Electrical conductivity: ١١٠٥ S/m ٩٥. Super resilience of a compacted mixture of natural graphite and agglomerated carbon nanotubes under cyclic compression Expansion ratio lower loss of resilience as compared to the ACNTs(٧% loss versus ٣٤% loss) ٩٦. Synthesis of aluminum oxide coating with carbon nanotube reinforcement produced by chemical vapor deposition for improved fracture and wear resistance ٢٤% increase in the relative fracture toughness +٢٧% wear resistance ٩٧. Tensile Loading of Double-Walled and Triple-Walled Carbon Nanotubes and their Mechanical Properties breaking strain and strength: ١٣-٤٦ GPa Young s modulus: ١.٥-٤.٩%, ١٣-٤٦ GPa, and ٠.٧٣-١.٣٣ TPa ٩٨. Compressive strength and microstructure of carbon nanotubes-fly ash cement composites Highest fly ash mortars: ٦٢.١٦ MPa obtained Relative strength to portland cement: almost ~١٠٠% ٩٩. ١٠١.Subject: Facile fabrication of polyelectrolyte complex/carbon nanotube nanocomposites with improved mechanical properties and ultra-high separation performance 28

29 ٢.٦ Times higher tensile strength & ١.٨ times higher modulus. Very high performance in pervaporation dehydration of isopropanol\ stable up to ٢٠ days 29

30 ویژگیهاي چسبهاي تجدیدپذیر) مکانیک سطحی(سطوح فوقالعاده کماصطکاك ١٠٠. Multi-walled carbon nanotubes covalently attached with poly(٣- hexylthiophene) for enhancement of field-effect mobility of poly(٣- hexylthiophene)/multi-walled carbon nanotube composites Quite high field-effect mobility ١٠١. The synthesis of polyacrylonitrile/carbon nanotube microspheres by aqueous deposition polymerization under ultrasonication Higher degree of crystallization and larger crystal size of the PAN/CNT microspheres than those of PAN Improvement of thermal stability of PAN ١٠٢. Functionalization of multi-walled carbon nanotubes grafted with self-generated functional groups and their polyamide ٦ composites Much better nanoscopic dispersion of F-MWCNTs and H-MWCNTs than commercial MWCNTs Quite better mechanical and thermal behavior of composites ١٠٣. A self-sensing carbon nanotube/cement composite for traffic monitoring Sensitive and stable responses to repeated compressive loadings and impulsive loadings Remarkable responses to vehicular loadings ١٠٤. Graphitic Electrical Contacts to Metallic Single-Walled Carbon Nanotubes Using Pt Electrodes Improvement of electronic behavior is primarily due to the formation of an all-carbon nanotube/graphite interface 30

31 ویژگیهاي مغناطیسی و الکترومغناطیسی ١٠٥. Synthesis of superparamagnetic iron(iii) oxide nanowires in double-walled carbon nanotubes Reported for the first time ١٠٦. Demonstration of ultra high-resolution MFM images using Co٩٠Fe١٠-coated CNT probes lateral detect density of ١٢٠٠ k flux per inch signal contrast, along with the physical probe-tip dimension ١٠٧. Magnetic study of iron-containing carbon nanotubes: Feasibility for magnetic hyperthermia Different magnetic response (e.g., ferromagnetic Fe-CNT in powder, no hysteresis for dispersion) Incresment of Substantial temperature dispersions in AC magnetic fields ١٠٨. Terahertz Excitonic Response of Isolated Single-Walled Carbon Nanotubes A featureless conductivity bleaching to phase-space filling ١٠٩. Föster resonance energy transfer in solution-processed Si-nanoparticle/carbon nanotube nanocomposites Föster resonance energy transfer from the Si nanoparticles to the MWCNTs may be responsible for the PL quenching 31

32 ویژگیهاي الکترومکانیکی NEMS) عضله مصنوعی بلندگو) ١١٠. Understanding the microscopic processes that govern the charge-induced deformation of carbon nanotubes Defects and functional groups have negligible influence on the actuation Transitions between van-hove singularities may expand the tubes ١١١. Novel Design of Carbon Nanotube Based RF Inductors Designing novel stacked MWCNT-based on silicon and ceramic substrates ١١٢. Simulation of the Electromechanical Behavior of Multiwall Carbon Nanotubes multiwall structure provides robustness to conductivity in the event of imposed mechanical deformations ١١٣. Nanoelectromechanical systems: Show of strength Strong coupling between the mechanical motion of a CNT and the passage of electrons ١١٤. Nanotubes boost seed growth متفرقه Significantly faster growing for tomato seeding ١١٥. Carbon Nanotubes Are Able To Penetrate Plant Seed Coat and Dramatically Affect Seed Germination and Plant Growth higher germination for seeds 32

33 پژوهشهاي ساختار محور 33

34 سوسپانسیونهاي رقیق نانولولهاي (مصارف زیستمحیطی فیلمهاي نازك بلور مایع خودآرایی) ١١٦. Interactions of Nucleic Acid Bases with Single-Walled Carbon Nanotube stable stacking complexes with nucleic acid bases ١١٧. Dispersion interactions between optically anisotropic cylinders at all separations: Retardation effects for insulating and semiconducting single-wall carbon nanotubes Discution of repulsive dispersion interactions and nonmonotonic dispersion interactions ١١٨. Synthesis and Characterization of Nucleobase-Carbon Nanotube Hybrids one adenine group for each ٢٦ and ٣٧ carbon atoms a pattern of silver nanoparticles over the surface of the carbon nanotube network ١١٩. Dual Porosity Single-Walled Carbon Nanotube Material low wear and useful as a sliding electrical contact ١٢٠. Species-Dependent Energy Transfer of Surfactant-Dispersed Semiconducting Single-Walled Carbon Nanotubes Energetically favorable at room temperature Potentially useful for optical and optoelectronic applications ١٢١. Nanostructured carbon nanotubes/copper phthalocyanine hybrid multilayers prepared using layer-by-layer self-assembly approach successive formation of nanostructured hybrid ultrathin films Enhancement of the electroactivity ١٢٢. Layered Carbon Nanotube-Polyelectrolyte Electrodes Outperform Traditional Neural Interface Materials It may lead to a new generation of implantable electrodes 34

35 ١٢٣. Dispersing carbon nanotubes in aqueous solutions by a silicon surfactant: Experimental and molecular dynamics simulation study Ag-٦٤ is an effective dispersing agent نانولولههاي پوشیده از نانوذره نمایشگر حسگر کاتالیزور) (پیل سوختی و خورشیدي ١٢٤. Pt Nanoparticles Supported on Nitrogen-Doped Porous Carbon Nanospheres as an Electrocatalyst for Fuel Cells chemical activation using KOH, PCNs containing N functional groups possessing a microporous structure with a high surface area of ١٠١٠ m٢/g and a particle size of less than ١٠٠ nm مهندسی فضاي درونی نانولولهها (نانوسیمها نانوسیالات) ١٢٥. Carbon Nanotubes and Nanofluidic Transport Examination of the size dependence ١٢٦. Carbon nanotubes: A simple approach to superlattices Creating an array of quantum dots inside a carbon nanotube فرآوري آرایههاي نانولولهاي (غیر غشا) ١٢٧. Effect of Randomly Networked Carbon Nanotubes in Silicon-Based Anodes for Lithium-Ion Batteries Excellent electrochemical performances (initial capacity>٢٠٠٠ mah g -١, initial coulombic efficiency ~٨٠%, and improved lifetime) 35