Search Results for author: Kwang-Leong Choy

Found 1 papers, 0 papers with code

Robust Protection of III-V Nanowires in Water Splitting by a Thin Compact TiO$_2$ Layer

no code implementations16 Dec 2020 Fan Cui, Yunyan Zhang, H. Aruni Fonseka, Premrudee Promdet, Ali Imran Channa, Mingqing Wang, Xueming Xia, Sanjayan Sathasivam, Hezhuang Liu, Ivan P. Parkin, Hui Yang, Ting Li, Kwang-Leong Choy, Jiang Wu, Chris Blackman, Ana M. Sanchez, Huiyun Liu

Working as a photocathode for water splitting, they exhibited a 45% larger photocurrent density compared with un-protected counterparts and a high Faraday efficiency of 91%, and can also maintain a record-long highly-stable performance among narrow-bandgap III-V NW photoelectrodes; after 67 hours photoelectrochemical stability test reaction in strong acid electrolyte solution (pH = 1), they show no apparent indication of corrosion, which is in stark contrast to the un-protected NWs that are fully failed after 35-hours.

Mesoscale and Nanoscale Physics Chemical Physics

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