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DOI10.1039/c6ee03170f
Solar hydrogen production using epitaxial SrTiO3 on a GaAs photovoltaic
Kornblum L.; Fenning D.P.; Faucher J.; Hwang J.; Boni A.; Han M.G.; Morales-Acosta M.D.; Zhu Y.; Altman E.I.; Lee M.L.; Ahn C.H.; Walker F.J.; Shao-Horn Y.
发表日期2017
ISSN17545692
起始页码377
结束页码382
卷号10期号:1
英文摘要We demonstrate an oxide-stabilized III-V photoelectrode architecture for solar fuel production from water in neutral pH. For this tunable architecture we demonstrate 100% Faradaic efficiency for hydrogen evolution, and incident photon-to-current efficiencies (IPCE) exceeding 50%. High IPCE for hydrogen evolution is a consequence of the low-loss interface achieved via epitaxial growth of a thin oxide on a GaAs solar cell. Developing optimal energetic alignment across the interfaces of the photoelectrode using well-established III-V technology is key to obtaining high performance. This advance constitutes a critical milestone towards efficient, unassisted fuel production from solar energy. © The Royal Society of Chemistry 2017.
英文关键词Gallium arsenide; Hydrogen production; III-V semiconductors; Semiconducting gallium; Solar cells; Solar energy; Strontium titanates; Titanium compounds; Faradaic efficiencies; Fuel production; GaAs solar cells; Hydrogen evolution; Iii-v technologies; Incident photon-to-current efficiencies; Low-loss interfaces; Solar Hydrogen Production; Solar power generation; electrode; energy efficiency; fuel cell; hydrogen; performance assessment; photochemistry; solar power
语种英语
来源期刊Energy & Environmental Science
文献类型期刊论文
条目标识符http://gcip.llas.ac.cn/handle/2XKMVOVA/190588
作者单位Dept. of Applied Physics, Yale University, New Haven, CT 06511, United States; Center for Research on Interface Structures and Phenomena, Yale University, New Haven, CT 06511, United States; Dept. of Mechanical Engineering, Massachusetts Institute of Technology, Cambridge, MA 02139, United States; Dept. of Nanoengineering, University of California San Diego, San Diego, CA 92093, United States; Dept. of Electrical Engineering, Yale University, New Haven, CT 06511, United States; Dept. of Materials Science and Engineering, Massachusetts Institute of Technology, Cambridge, MA 02139, United States; Dept. of Chemistry G. Ciamician, University of Bologna, via Selmi 2, Bologna, 40126, Italy; Condensed Matter Physics and Materials Science Dept., Brookhaven National Laboratory, Upton, NY 11973, United States; Dept. of Chemical Engineering and Environmental Engineering, Yale University, New Haven, CT 06511, United States; Dept. of Mechanical Engineering and Materials Science, Yale University, New Haven, CT ...
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Kornblum L.,Fenning D.P.,Faucher J.,et al. Solar hydrogen production using epitaxial SrTiO3 on a GaAs photovoltaic[J],2017,10(1).
APA Kornblum L..,Fenning D.P..,Faucher J..,Hwang J..,Boni A..,...&Shao-Horn Y..(2017).Solar hydrogen production using epitaxial SrTiO3 on a GaAs photovoltaic.Energy & Environmental Science,10(1).
MLA Kornblum L.,et al."Solar hydrogen production using epitaxial SrTiO3 on a GaAs photovoltaic".Energy & Environmental Science 10.1(2017).
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