Journal ArticleDOI
Nanoplasmonically Engineered Interfaces on Amorphous TiO2 for Highly Efficient Photocatalysis in Hydrogen Evolution
TLDR
The nanoplasmonic metal-driven photocatalytic activity depends heavily on the spacing between metal nanoparticles (NPs) and semiconductors, and this work shows that ethylene glycol (EG) is an ideal candidate for interface spacer.Abstract:
The nanoplasmonic metal-driven photocatalytic activity depends heavily on the spacing between metal nanoparticles (NPs) and semiconductors, and this work shows that ethylene glycol (EG) is an ideal candidate for interface spacer. Controlling the synthetic systems at pH 3, the composite of Ag NPs with EG-stabilized amorphous TiO2 (Ag/TiO2-3) was synthesized by the facile light-induced reduction. It is verified that EG spacers can set up suitable geometric arrangement in the composite: the twin hydroxyls act as stabilizers to bind Ag NPs and TiO2 together and the nonconductive alkyl chains consisting only of two CH2 are able to separate the two building blocks completely and also provide the shortest channels for an efficient transfer of radiation energies to reach TiO2. Employed as photocatalysts in hydrogen evolution under visible light, amorphous TiO2 hardly exhibits the catalytic activity due to high defect density, whereas Ag/TiO2-3 represents a remarkably high catalytic efficiency. The enhancement mec...read more
Citations
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Journal ArticleDOI
Photocatalytic hydrogen production using metal doped TiO2: A review of recent advances
TL;DR: In this paper, the basic principles, photocatalytic-reactor design, kinetics, key findings, and the mechanism of metal-doped TiO2 are comprehensively reviewed.
Journal ArticleDOI
Core-shell Ag@Ni cocatalyst on the TiO2 photocatalyst: One-step photoinduced deposition and its improved H2-evolution activity
TL;DR: In this paper, a low-cost metallic Ni cocatalyst is directionally assembled onto the Ag nanoparticle to generate core-shell Ag@Ni cocatalysts, with the aim of greatly boosting the hydrogen-generation performance of metallic Ag.
Journal ArticleDOI
Recent Advances in Plasmonic Photocatalysis Based on TiO2 and Noble Metal Nanoparticles for Energy Conversion, Environmental Remediation, and Organic Synthesis.
TL;DR: In this article, a comprehensive review of the fundamentals and guidelines for future work in the field of TiO2-based plasmonic photocatalysis comprising the above-mentioned applications is presented.
Journal ArticleDOI
Enhanced photoexcited carrier separation in CdS–SnS2 heteronanostructures: a new 1D–0D visible-light photocatalytic system for the hydrogen evolution reaction
TL;DR: In this article, a 1D/zero-dimensional (0D) core-shell heteronanostructures (CSHNSs) with 0D SnS2 quantum dots are grown on the surface of 1D CdS nanorods to realize efficient H2 evolution reaction under sunlight.
Journal ArticleDOI
Amorphous TiO2 nanostructures: synthesis, fundamental properties and photocatalytic applications
TL;DR: A comprehensive review on amorphous TiO2-based nanostructures is presented in this paper, which comprehensively summarizes the structural characteristics, optical properties, synthesis principles and current morphologies of am-TiO2.
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.
Journal ArticleDOI
A plasmonic photocatalyst consisting of silver nanoparticles embedded in titanium dioxide.
Koichi Awazu,Makoto Fujimaki,Carsten Rockstuhl,Junji Tominaga,Hirotaka Murakami,Yoshimichi Ohki,Naoya Yoshida,Toshiya Watanabe +7 more
TL;DR: The plasmonic photocatalysis will be of use as a high performance photocatalyst in nearly all current applications but will beof particular importance for applications in locations of minimal light exposure.
Journal ArticleDOI
Ag@AgCl: A Highly Efficient and Stable Photocatalyst Active under Visible Light
TL;DR: It is shown that such a photocatalyst can be obtained from silver chloride by exploiting its photosensitivity, and the resulting plasmonic photoc atalyst is highly efficient and stable under visible-light illumination.
Journal ArticleDOI
Ethylene glycol-mediated synthesis of metal oxide nanowires
TL;DR: A simple and convenient method has been demonstrated for large-scale synthesis of metal oxide nanowires with diameters around 50 nm and lengths up to 30 µm as mentioned in this paper, which can be readily collected as precipitates after the reaction solutions had been cooled down to room temperature.
Journal ArticleDOI
Engineered Carbon-Nanomaterial-Based Electrochemical Sensors for Biomolecules
TL;DR: This review article gives a brief overview of voltammetric techniques and how these techniques are applied in biosensing, as well as the details surrounding important biosensing concepts of sensitivity and limits of detection.
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