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Thin-Film Materials for the Protection of Semiconducting Photoelectrodes in Solar-Fuel Generators

Hu, Shu and Lewis, Nathan S. and Ager, Joel W. and Yang, Jinhui and McKone, James R. and Strandwitz, Nicholas C. (2015) Thin-Film Materials for the Protection of Semiconducting Photoelectrodes in Solar-Fuel Generators. Journal of Physical Chemistry C, 119 (43). pp. 24201-24228. ISSN 1932-7447. doi:10.1021/acs.jpcc.5b05976.

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The electrochemical instability of semiconductors in aqueous electrolytes has impeded the development of robust sunlight-driven water-splitting systems. We review the use of protective thin films to improve the electrochemical stability of otherwise unstable semiconductor photoelectrodes (e.g., Si and GaAs). We first discuss the origins of instability and various strategies for achieving stable and functional photoelectrosynthetic interfaces. We then focus specifically on the use of thin protective films on photoanodes and photocathodes for photosynthetic reactions that include oxygen evolution, halide oxidation, and hydrogen evolution. Finally, we provide an outlook for the future development of thin-layer protection strategies to enable semiconductor-based solar-driven fuel production.

Item Type:Article
Related URLs:
URLURL TypeDescription
Hu, Shu0000-0002-5041-0169
Lewis, Nathan S.0000-0001-5245-0538
Ager, Joel W.0000-0001-9334-9751
McKone, James R.0000-0001-6445-7884
Additional Information:© 2015 American Chemical Society. Received: June 22, 2015. Revised: September 25, 2015. Publication Date (Web): September 28, 2015. NCS acknowledges start-up funds from Lehigh University. JRM acknowledges a postdoctoral research award from the U.S. Department of Energy, Office of Energy Efficiency and Renewable Energy through the SunShot Initiative. SH, NSL, JWA, and JY were supported by the Joint Center for Artificial Photosynthesis, a DOE Energy Innovation Hub, supported through the Office of Science of the U.S. Department of Energy under Award Number DE-SC0004993, and NSL was also supported by the National Science Foundation under Award Number CHE-1214152, the Department of Energy, Office of Basic Energy Sciences under Award Number DE-FG02-03ER15483, and the Gordon and Betty Moore Foundation under Award Number GBMF1225. The authors declare no competing financial interest.
Group:Kavli Nanoscience Institute, JCAP
Funding AgencyGrant Number
Lehigh UniversityUNSPECIFIED
Department of Energy (DOE)DE-SC0004993
Joint Center for Artificial Photosynthesis (JCAP)UNSPECIFIED
Department of Energy (DOE)DE-FG02-03ER15483
Gordon and Betty Moore FoundationGBMF1225
Issue or Number:43
Record Number:CaltechAUTHORS:20151027-111752059
Persistent URL:
Official Citation:Thin-Film Materials for the Protection of Semiconducting Photoelectrodes in Solar-Fuel Generators Shu Hu, Nathan S. Lewis, Joel W. Ager, Jinhui Yang, James R. McKone, and Nicholas C. Strandwitz The Journal of Physical Chemistry C 2015 119 (43), 24201-24228 DOI: 10.1021/acs.jpcc.5b05976
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:61557
Deposited By: George Porter
Deposited On:27 Oct 2015 20:01
Last Modified:10 Nov 2021 22:50

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