4.7 Article

High-resolution light-activated electrochemistry on amorphous silicon-based photoelectrodes

Journal

CHEMICAL COMMUNICATIONS
Volume 56, Issue 54, Pages 7435-7438

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/d0cc02959a

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Funding

  1. Australian Research Council Centre of Excellence in Convergent Bio-Nano Science and Technology [CE14100036]
  2. ARC Australian Laureate Fellowship [FL150100060]
  3. FAPESP [2017/50264-5, 2018/10930-0, 2015/12786-4, 2015/26308-7]

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Light-activated electrochemistry (LAE) consists of employing a focused light beam to illuminate a semiconducting area and make it electrochemically active. Here, we show how to reduce the electrochemical spatial resolution to submicron by exploiting the short lateral diffusion of charge carriers in amorphous silicon to improve the resolution of LAE by 60 times.

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