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Two-dimensional Janus PtSSe for photocatalytic water splitting under the visible or infrared light
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TLDR
Wang et al. as discussed by the authors proposed 2D Janus PtSSe with compelling photocatalytic properties, which were investigated by means of first-principles calculations.Abstract:
Recently, two-dimensional Janus materials have attracted increasing research interest due to their particular structure and great potential in electronics, optoelectronics and piezoelectronics. Here, we propose 2D Janus PtSSe with compelling photocatalytic properties which were investigated by means of first-principles calculations. 2D Janus PtSSe exhibits high thermal, dynamic and mechanical stability. Most remarkably, single-layer PtSSe exhibits an indirect band gap of 2.19 eV, high absorption coefficients in the visible light region, appropriate band edge positions and strong ability for carrier separation and transfer, thus rendering it a promising candidate for photocatalytic water splitting. Moreover, double-layer PtSSe compounds with different stacking configurations are extraordinary photocatalysts for water splitting even under infrared light, owing to their small band gaps as well as the built-in electrical field. Our results reveal 2D PtSSe with high experimental feasibility as a new platform for the overall water splitting reaction.read more
Citations
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Two-dimensional MgAl2S4 as potential photocatalyst for water splitting and strategies to boost its performance
Aijun Du,Michael Frey +1 more
TL;DR: In this article , the authors predicted a novel 2D material, MgAl2S4 monolayer, and studied its potential applications in photocatalytic water splitting.
Peer Review
Two-dimensional MA 2 Z 4 Heterostructures: An Emerging Designer Material Platform for Electronics, Optoelectronics and Energy Conversion Applications
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Journal ArticleDOI
Quaternary 2D monolayer Cu2Cl2Se2Hg2: anisotropic carrier mobility and tunable bandgap for transistor and photocatalytic applications
TL;DR: In this paper , a 2D monolayer based on density functional theory and Green's function surface analysis was used to study the properties of the quaternary two-dimensional (2D) materials.
Journal ArticleDOI
First-principles study of electronic, mechanical and piezoelectric properties of Janus MoSH
TL;DR: In this article , the electronic, mechanical and piezoelectric properties of Janus transition metal dichalcogenides (TMDCs) are systematically studied using first principles calculations for the first time.
Journal ArticleDOI
2D Janus Niobium Oxydihalide NbOXY: Multifunctional Piezoelectric Semiconductor for Electronics, Photonics, Sensing and Sustainable Energy Applications
Tong Su,Ching Hua Lee,San-Dong Guo,Guangzhao Wang,Wee-Liat Ong,Liemao Cao,Weiwei Zhao,Shengyuan A. Yang,Yee Sin Ang +8 more
TL;DR: In this paper , the authors show that NbOXY exhibits an exceptionally strong anisotoropy ratio of ∼400, which is larger than most of the anisotropic 2D semiconductors.
References
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Generalized Gradient Approximation Made Simple
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Electrochemical Photolysis of Water at a Semiconductor Electrode
Akira Fujishima,Kenichi Honda +1 more
TL;DR: Water photolysis is investigated by exploiting the fact that water is transparent to visible light and cannot be decomposed directly, but only by radiation with wavelengths shorter than 190 nm.
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