Journal ArticleDOI
A metal-free polymeric photocatalyst for hydrogen production from water under visible light
Xinchen Wang,Kazuhiko Maeda,Arne Thomas,Kazuhiro Takanabe,Gang Xin,Johan M. Carlsson,Kazunari Domen,Markus Antonietti +7 more
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TLDR
It is shown that an abundant material, polymeric carbon nitride, can produce hydrogen from water under visible-light irradiation in the presence of a sacrificial donor.Abstract:
The production of hydrogen from water using a catalyst and solar energy is an ideal future energy source, independent of fossil reserves. For an economical use of water and solar energy, catalysts that are sufficiently efficient, stable, inexpensive and capable of harvesting light are required. Here, we show that an abundant material, polymeric carbon nitride, can produce hydrogen from water under visible-light irradiation in the presence of a sacrificial donor. Contrary to other conducting polymer semiconductors, carbon nitride is chemically and thermally stable and does not rely on complicated device manufacturing. The results represent an important first step towards photosynthesis in general where artificial conjugated polymer semiconductors can be used as energy transducers.read more
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Thickness-ultrathin and bismuth-rich strategies for BiOBr to enhance photoreduction of CO2 into solar fuels
TL;DR: In this article, the thickness-ultrathin and bismuth-rich strategies were ingenuously combined to enhance the photocatalytic performance of a photocatalyst via a glycerol precursor route.
Journal ArticleDOI
Dye-Sensitized Reduced Graphene Oxide Photocatalysts for Highly Efficient Visible-Light-Driven Water Reduction
Shixiong Min,Gongxuan Lu +1 more
TL;DR: In this article, a dye-sensitized photocatalysis system for photochemical energy conversion by employing reduced graphene oxide (RGO) as a catalyst scaffold and an efficient electron rel...
Journal ArticleDOI
Powerful combination of MOFs and C3N4 for enhanced photocatalytic performance
TL;DR: In this paper, pristine metal-organic frameworks (MOFs) and graphitic carbon nitride (g-C3N4) were combined to construct g-C 3N4/MOF heterojunctions with the purpose of overcoming their individual disadvantages like fast recombination of pohotogenerated electron-hole pairs.
Journal ArticleDOI
Towards solar fuels from water and CO2.
TL;DR: The role of solar fuels produced from CO2 in comparison with solar H2 is analyzed and solar fuels are complementary to solar to electrical energy conversion, but they still need intensified R&D before possible commercialization.
Journal ArticleDOI
Elemental two-dimensional nanosheets beyond graphene
Xiangkai Kong,Xiangkai Kong,Liu Qiangchun,Changlin Zhang,Zhenmeng Peng,Qianwang Chen,Qianwang Chen +6 more
TL;DR: This review has summarized and discussed the recent advancements of 2D nanomaterials beyond graphene, with an emphasis on their basic fundamentals, preparation strategies, and applications and puts forward the challenges and opportunities for further developments.
References
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First principles methods using CASTEP
Stewart J. Clark,Matthew D. Segall,Chris J. Pickard,P. J. Hasnip,Matt Probert,Keith Refson,Mike C. Payne +6 more
TL;DR: The CASTEP program as mentioned in this paper is a computer program for first principles electro-Nic structure calculations, and some of its features and capabilities are described and near-future development plans outlined.
Journal ArticleDOI
Photocatalyst releasing hydrogen from water
Kazuhiko Maeda,Kentaro Teramura,Daling Lu,Tsuyoshi Takata,Nobuo Saito,Yasunobu Inoue,Kazunari Domen +6 more
TL;DR: An advance in the catalysis of the overall splitting of water under visible light is described: the new catalyst is a solid solution of gallium and zinc nitrogen oxide, modified with nanoparticles of a mixed oxide of rhodium and chromium, which functions as a promising and efficient photocatalyst in promoting the evolution of hydrogen gas.
Journal ArticleDOI
A Monolithic Photovoltaic-Photoelectrochemical Device for Hydrogen Production via Water Splitting
O. Khaselev,John A. Turner +1 more
TL;DR: Direct water electrolysis was achieved with a novel, integrated, monolithic photoelectrochemical-photovoltaic design that splits water directly upon illumination; light is the only energy input.
Journal ArticleDOI
Composition, structure, and stability of RuO 2 ( 110 ) as a function of oxygen pressure
TL;DR: In this article, the Gibbs free energy was calculated to determine the lowest energy structure of a transition metal oxide surface in thermodynamic equilibrium with an oxygen-rich environment, and it was shown that the commonly assumed stoichiometric termination is only favorable at low oxygen chemical potentials, i.e., low pressures and/or high temperatures.
Journal ArticleDOI
New Non-Oxide Photocatalysts Designed for Overall Water Splitting under Visible Light
TL;DR: In this article, the development of visible-light-driven photocatalysts focusing on the refinement of non-oxide-type photocatalyst such as (oxy)nitrides and oxysulfides is discussed.
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