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Enabling practical electrocatalyst-assisted photoelectrochemical water splitting with earth abundant materials

Yang, Xiaogang and Liu, Rui and He, Yumin and Thorne, James and Zheng, Zhi and Wang, Dunwei (2015) Enabling practical electrocatalyst-assisted photoelectrochemical water splitting with earth abundant materials. Nano Research, 8 (1). pp. 56-81. ISSN 1998-0124. doi:10.1007/s12274-014-0645-2.

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Sustainable development and continued prosperity of humanity hinge on the availability of renewable energy sources on a terawatts scale. In the long run, solar energy is the only source that can meet this daunting demand. Widespread utilization of solar energy faces challenges as a result of its diffusive (hence low energy density) and intermittent nature. How to effectively harvest, concentrate, store and redistribute solar energy constitutes a fundamental challenge that the scientific community needs to address. Photoelectrochemical (PEC) water splitting is a process that can directly convert solar energy into chemical energy and store it in chemical bonds, by producing hydrogen as a clean fuel source. It has received significant research attention lately. Here we provide a concise review of the key issues encountered in carrying out PEC water splitting. Our focus is on the balance of considerations such as stability, earth abundance, and efficiency. Particular attention is paid to the combination of photoelectrodes with electrocatalysts, especially on the interfaces between different components.

Item Type:Article
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URLURL TypeDescription
Yang, Xiaogang0000-0002-1142-3100
Zheng, Zhi0000-0002-5889-4305
Additional Information:© 2014 Tsinghua University Press. and Springer-Verlag Berlin Heidelberg. Received: 7 August 2014. Revised: 23 October 2014. Accepted: 13 November 2014. Date: 27 Dec 2014. This work was supported by Boston College, NSF (DMR 1055762 and 1317280), and MassCEC. R. L. is 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. We acknowledge partial support by the Program for Innovative Research Team (in Science and Technology) in University of Henan Province (No. 2012IRTSTHN021), Innovation Scientists and Technicians Troop Construction Projects of Henan Province (No. 144200510014) and National Natural Science Foundation of China (No. 21273192). D.W. is an Alfred P. Sloan Fellow.
Funding AgencyGrant Number
NSFDMR 1055762
Joint Center for Artificial PhotosynthesisUNSPECIFIED
Department of Energy (DOE)DE-SC0004993
University of Henan Province Program for Innovative Research Team2012IRTSTHN021
Henan Province Technicians Troop Construction Projects144200510014
National Natural Science Foundation of China21273192
Alfred P. Sloan FoundationUNSPECIFIED
Subject Keywords:photoelectrochemical water splitting, efficiency, stability, interface, earth abundance
Issue or Number:1
Record Number:CaltechAUTHORS:20150220-072846889
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:55039
Deposited By: Ruth Sustaita
Deposited On:20 Feb 2015 17:22
Last Modified:10 Nov 2021 20:40

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