Electrophysiology Electrochemistry ElProScan ELP 1 ELP 2 ELP 3 Reactive centers of a Platinum disk electrode HEKA provides the finest instruments today to achieve the needed progress of tomorrow 1
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ElProScan ELP 3 1 2 3 4 7 11 16 5 6 8 9 10 12 13 14 15 6
Electrochemistry 10 μm 10 μm 10 μm (A) 10 μm 10 μm (B) - (A) + (B) - - 7
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ElProScan 1 2 Amplifier Control Online Analysis 3 Notebook 4 Oscilloscope 5 Data Tree Replay 6 Scan Window 7 Motor Window 8 Shear Force Window 9 Positions Window 12
ElProScan Electrochemistry 1 2 3 4 5 1 2 3 13
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Electrochemistry 15
ElProScan 1 2 3 4 5 1 2 3 4 5 16
ElProScan Electrochemistry Ox1. Red Ox1 Ox1 + Red 2 Ox2 + Red1. > 100 GΩ 17
18 Feedback mode with contacted sample ElProScan
ElProScan Electrochemistry ELP 1 ELP 3 PG 340 USB ESC 3 ELP 1 ELP 3 (160 x 110) mm ECC OSC 7 5 OSC 5 10 μm Ø < 1 μm 2.0 mm 80x SFU 3 19
ElProScan ELP 1 ELP 3 ELP 3 CCD ELP 3 ELP 1 ELP 3 X,Y : DC 10 nm, Z: DC 10 nm, + Z-Piezo 1.5 nm, Z-Piezo < 1 nm Z-Piezo Z-Piezo X, Y : 100 mm DC Z : 50 mm DC + Z-Piezo: 100 μm 120 g 160 x 110 mm M5 35 mm 25mm 30 kg 20 kg (60 x 45 x 40) cm (L x W x H) (80 x 45 x 52) cm ( L x W x H) ESC 3 85 VAC to 264 VAC, 120 W, 200 W 20
Electrochemistry ± 20 V ± 10 V ±100 pa, 1 na, 10 na, 100 na, 1 μa, 10 μa, 100 μa, 1 ma, 10 ma, 100 ma, 1 A, 2A ± 2 A 0.0015 % 30 pa 1 μa 3 fa 100 pa < 30 fa 1 khz 100 pa 305 μv 1 mv A / D 16 ± 10 V BNC (DA-0, DA-1) USB 2.0 References 1) Scanning Electrochemical Microscopy, edited by Allen J. Bard and Michael V. Mirkin. Marcel Dekker Inc., New York (2001) 2) C. Cougnon, K. Bauer-Espindola, D.S. Fabre, J. Mauzeroll: Development of a Phase-Controlled Constant-Distance Scanning Electrochemical Microscope, Anal.Chem., 2009, 81(9), 3654 3659. 3) Mezour, M.A., Cornut, R., Hussien, E.M., Morin, M., Mauzeroll, J.: Detection of hydrogen peroxide produced during the oxygen reduction reaction at self-assembled thiol-porphyrin monolayers on gold using SECM and nanoelectrodes, Langmuir, 2010 Aug 3, 26(15):13000-6 4) Cornut, R., Mayoral, M., Fabre, D., Mauzeroll, J.: Scanning electrochemical microscopy approach curves for ring microelectrodes in pure negative and positive feedback mode, J. Electrochem. Soc., Volume 157, Issue 7, pp. F77-F82 (2010) 5) Cougnon, C., Gohier, F., Belanger, D., Mauzeroll, J.: In situ formation of diazonium salts from nitro precursors for scanning electrochemical microscopy patterning of surfaces, Angewandte Chemie - International Edition, Angew. Chem. Int. Ed. 22, 4006-4008 (2010) 6) Cougnon, C., Mauzeroll, J., Blanger, D.: Patterning of surfaces by oxidation of amine-containing compounds using scanning electrochemical microscopy, Angewandte Chemie - International Edition, Volume 121, Issue 40, September 2009, pp 75317533 7) M. F. Garay, J. Ufheil, K. Borgwarth, J. Heinze : Retroperspective chemical analysis of tree rings by means of the scanning electrochemical microscopy with shear force feedback, Phys. Chem. Chem. Phys., 2004, 4028-4033. 21
ElProScan 2D- 3D- 3D- 10 nm/s 100 μm/s 1nm/s 50 μm/s 100 μm 1 μm 50 μm 50 μm/s 1 nm/s Cyclic Voltammetry Chronoamperometry Step Pulse Voltammetry Normal Pulse Voltammetry Tast Pulse Voltammetry Differential Pulse Voltammetry TAFEL-Plot Linear polarization Pitting corrosion test Polarization resistance measurement 22
Electrochemistry 0 khz 1 MHz 0 +180 0 ±10 Vpp 0 V 1 V RMS 10 khz 1 MHz 1 khz 990 khz 500 5000 25 ms 12.5 sec.(500 ) 125 sec (5000 ) 100 khz 200 Hz (500 ) 20 Hz 5000 0V 10V 5 μm, 1 nm 10 ms 100 ms 23