Journal ArticleDOI
Accelerating materials development for photoelectrochemical hydrogen production: Standards for methods, definitions, and reporting protocols
Zhebo Chen,Thomas F. Jaramillo,Todd G. Deutsch,Alan Kleiman-Shwarsctein,Arnold J. Forman,Nicolas Gaillard,Roxanne Garland,Kazuhiro Takanabe,Clemens Heske,Mahendra K. Sunkara,Eric W. McFarland,Kazunari Domen,Eric L. Miller,John A. Turner,Huyen N. Dinh +14 more
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In this paper, a flow chart with standard procedures for PEC characterization techniques for planar photoelectrode materials (i.e., not suspensions of particles) with a focus on single band gap absorbers is presented.Abstract:
Photoelectrochemical (PEC) water splitting for hydrogen production is a promising technology that uses sunlight and water to produce renewable hydrogen with oxygen as a by-product. In the expanding field of PEC hydrogen production, the use of standardized screening methods and reporting has emerged as a necessity. This article is intended to provide guidance on key practices in characterization of PEC materials and proper reporting of efficiencies. Presented here are the definitions of various efficiency values that pertain to PEC, with an emphasis on the importance of solar-to-hydrogen efficiency, as well as a flow chart with standard procedures for PEC characterization techniques for planar photoelectrode materials (i.e., not suspensions of particles) with a focus on single band gap absorbers. These guidelines serve as a foundation and prelude to a much more complete and in-depth discussion of PEC techniques and procedures presented elsewhere.read more
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Solar Water Splitting Cells
Michael G. Walter,Emily L. Warren,James R. McKone,Shannon W. Boettcher,Qixi Mi,Elizabeth A. Santori,Nathan S. Lewis +6 more
TL;DR: The biggest challenge is whether or not the goals need to be met to fully utilize solar energy for the global energy demand can be met in a costeffective way on the terawatt scale.
Journal ArticleDOI
Semiconductor-based Photocatalytic Hydrogen Generation
TL;DR: Approaches to Modifying the Electronic Band Structure for Visible-Light Harvesting and its Applications d0 Metal Oxide Photocatalysts 6518 4.4.1.
Journal ArticleDOI
Recent Advances in Ultrathin Two-Dimensional Nanomaterials
Chaoliang Tan,Xiehong Cao,Xiehong Cao,Xue-Jun Wu,Qiyuan He,Jian Yang,Xiao Zhang,Junze Chen,Wei Zhao,Shikui Han,Gwang-Hyeon Nam,Melinda Sindoro,Hua Zhang +12 more
TL;DR: The unique advances on ultrathin 2D nanomaterials are introduced, followed by the description of their composition and crystal structures, and the assortments of their synthetic methods are summarized.
Journal ArticleDOI
Recent advances in semiconductors for photocatalytic and photoelectrochemical water splitting
TL;DR: This introductory review covers the fundamental aspects of photocatalytic and photoelectrochemical water splitting and recent advances in the water splitting reaction under visible light will be presented with a focus on non-oxide semiconductor materials to give an overview of the various problems and solutions.
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Nanoporous BiVO4 Photoanodes with Dual-Layer Oxygen Evolution Catalysts for Solar Water Splitting
Tae Woo Kim,Kyoung-Shin Choi +1 more
TL;DR: It is demonstrated that a nanoporous morphology effectively suppresses bulk carrier recombination without additional doping, manifesting an electron-hole separation yield of 0.90 at 1.23 volts (V) versus the reversible hydrogen electrode (RHE).
References
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Journal ArticleDOI
Evaluation of Bi–W‐oxides for visible light photocatalysis
TL;DR: In this paper, an investigation into the potential of the Bi-W-oxides, Bi2WO6 and Bi6WO12, as visible light photocatalysts was conducted.
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Optical properties of amorphous thin films of MoO3 deposited by vacuum evaporation
M. Anwar,C. A. Hogarth +1 more
TL;DR: In this article, the absorption spectra of MoO3 amorphous thin films in the thickness range from 50 to 350 nm are studied as a function of thickness in the temperature range from 20 to 275°C.
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Energetics of the semiconductor-electrolyte interface
TL;DR: In this article, the interfacial energetics of semiconductor/electrolyte systems were investigated. But the authors focused on the interfacing between the semiconductor and the electrolyte.
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Photoresponse of GaN:ZnO Electrode on FTO under Visible Light Irradiation
Hiroshi Hashiguchi,Kazuhiko Maeda,Kazuhiko Maeda,Ryu Abe,Akio Ishikawa,Jun Kubota,Kazunari Domen +6 more
TL;DR: In this article, the photoelectrochemical properties of a GaN:ZnO solid solution coated as an electrode on conductive glass were investigated through measurement of voltammograms and current-time curves.
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On the application of the Kramers-Kronig relations to problems concerning the frequency dependence of electrode impedance
TL;DR: In this article, the frequency dependences of the real and imaginary parts of an electrical impedance are correlated by the Kramers-Kronig relations, and the importance of these relations in electrochemistry is illustrated by the examples of certain electrochemical impedance types.