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Tantalum Oxide Electron-Selective Heterocontacts for Silicon Photovoltaics and Photoelectrochemical Water Reduction

Wan, Yimao; Karuturi, Siva Krishna; Samundsett, Christian; Bullock, James; Hettick, Mark; Yan, Di; Peng, Jun; Narangari, Parvathala Reddy; Mokkapati, Sudha; Tan, Hark Hoe; Jagadish, Chennupati; Javey, Ali; Cuevas, Andres


Crystalline silicon (c-Si) solar cells have been dominating the photovoltaic (PV) market for decades, and c-Si based photoelectrochemical (PEC) cells are regarded as one of the most promising routes for water splitting and renewable production of hydrogen. In this work, we demonstrate a nanoscale tantalum oxide (TaOx, ∼6 nm) as an electron-selective heterocontact, simultaneously providing high-quality passivation to the silicon surface and effective transport of electrons to either an external...[Show more]

CollectionsANU Research Publications
Date published: 2017
Type: Journal article
Source: ACS Energy Letters
DOI: 10.1021/acsenergylett.7b01153
Access Rights: Open Access


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