SECM photography

A novel strategy for imaging commercial black-and-white negative photo films by scanning electrochemical microscopy (SECM) is demonstrated. The imaging is based on using IrCl3 6 as the redox mediator to dissolve silver grains. The SECM probe is biased at a sufficient constant anodic potential (0.8 V vs. Ag QRE) to oxidize IrCl3 6 under diffusion control. SECM images of a patterned band array (2.8 mm 3 mm) and of an ‘‘EPFL” logo (8.6 mm 7 mm) have been recorded with a high resolution from the black-and-white negative photo films. The factors relevant to the quality of images are discussed.


Published in:
Electrochemistry Communications, 10, 714-718
Year:
2008
Publisher:
Elsevier
ISSN:
1388-2481
Keywords:
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 Record created 2008-05-21, last modified 2018-12-03

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