Journal ArticleDOI
Photocatalytic hydrogen production using metal doped TiO2: A review of recent advances
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In this paper, the basic principles, photocatalytic-reactor design, kinetics, key findings, and the mechanism of metal-doped TiO2 are comprehensively reviewed.Abstract:
Hydrogen (H2) production via photocatalytic water splitting is one of the most promising technologies for clean solar energy conversion to emerge in recent decades. The achievement of energy production from water splitting would mean that we could use water as a fuel for future energy need. Among the various photocatalytic materials, titanium dioxide (TiO2) is the dominant and most widely studied because of its exceptional physico-chemical characteristics. Surface decoration of metal/non-metal on TiO2 nanoparticles is an outstanding technique to revamp its electronic properties and enrich the H2 production efficiency. Metal dopants play a vital role in separation of electron-hole pairs on the TiO2 surface during UV/visible/simulated solar light irradiation. In this paper, the basic principles, photocatalytic-reactor design, kinetics, key findings, and the mechanism of metal-doped TiO2 are comprehensively reviewed. We found that Langmuir-Hinshelwood kinetic model is commonly employed by the researchers to demonstrate the rate of H2 production. Copper (Cu), gold (Au) and platinum (Pt) are the most widely studied dopants for TiO2, owing to their superior work function. The metal dopants can amplify the H2 production efficiency of TiO2 through Schottky barrier formation, surface plasmon resonance (SPR), generation of gap states by interaction with TiO2 VB states. The recent advances and important consequences of 2D materials, perovskites, and other novel photocatalysts for H2 generation have also been reviewed.read more
Citations
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Journal ArticleDOI
Construction of Au/g-C3N4/ZnIn2S4 plasma photocatalyst heterojunction composite with 3D hierarchical microarchitecture for visible-light-driven hydrogen production
Xiaoming Liu,Xiaoming Liu,Suqing Wang,Fang Yang,Yinchu Zhang,Liushui Yan,Kexin Li,Huiqin Guo,Jiajun Yan,Jun Lin,Jun Lin +10 more
TL;DR: In this paper, a novel Au/g-C3N4/ZnIn2S4 plasma photocatalyst heterojunction composite with 3D hierarchical micro-architecture has been successfully constructed by integrating Au nanoparticles on the surface of pristine g-C 3N4 material to get Au/c3N 4 plasmonic material.
Journal ArticleDOI
TiO2 Photocatalysis for the Transformation of Aromatic Water Pollutants into Fuels
TL;DR: In this article, different aspects are highlighted, including the employing of different polymorphs of pristine titanium dioxide as photocatalysts in the photocatalysis processes, also improving the photocATalytic activity of TiO2 by loading different types of metal co-catalysts, especially platinum nanoparticles, and comparing the effect of various loading methods of such metal co catalysts.
Journal ArticleDOI
Non-metal fluorine doping in Ruddlesden–Popper perovskite oxide enables high-efficiency photocatalytic water splitting for hydrogen production
TL;DR: In this article , a non-metal fluorine (F − ) doping strategy was proposed to improve the photocatalytic activity of Ruddlesden-Popper Sr 2 TiO 4 perovskites for H 2 evolution reaction (HER).
Journal ArticleDOI
Non-metal fluorine doping in Ruddlesden-Popper perovskite oxide enables high-efficiency photocatalytic water splitting for hydrogen production
TL;DR: In this paper, a non-metal fluorine (F-) doping strategy was proposed to improve the photocatalytic activity of Ruddlesden-Popper Sr2TiO4 perovskites for H2 evolution reaction (HER).
Journal ArticleDOI
Bioproduction of CuO and Ag/CuO heterogeneous photocatalysis-photocatalytic dye degradation and biological activities
C. Parvathiraja,S. Shailajha +1 more
TL;DR: In this paper, the nano-based particles have the potency to overcome water contamination by using plant extract as reducing and stabilizing agent, and the results indicated the CuO and Ag/CuO NPs may further use in wastewater treatment and biomedical applications.
References
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Journal ArticleDOI
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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Visible-Light Photocatalysis in Nitrogen-Doped Titanium Oxides
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Journal ArticleDOI
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
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