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]
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|Source:||ACS Energy Letters|
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