Journal ArticleDOI
Plasmonic-metal nanostructures for efficient conversion of solar to chemical energy
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TLDR
Plasmon-enhanced water splitting on composite photocatalysts containing semiconductor and plasmonic-metal building blocks is focused on, and recently reported plasMon-mediated photocatallytic reactions on plAsmonic nanostructures of noble metals are discussed.Abstract:
Recent years have seen a renewed interest in the harvesting and conversion of solar energy. Among various technologies, the direct conversion of solar to chemical energy using photocatalysts has received significant attention. Although heterogeneous photocatalysts are almost exclusively semiconductors, it has been demonstrated recently that plasmonic nanostructures of noble metals (mainly silver and gold) also show significant promise. Here we review recent progress in using plasmonic metallic nanostructures in the field of photocatalysis. We focus on plasmon-enhanced water splitting on composite photocatalysts containing semiconductor and plasmonic-metal building blocks, and recently reported plasmon-mediated photocatalytic reactions on plasmonic nanostructures of noble metals. We also discuss the areas where major advancements are needed to move the field of plasmon-mediated photocatalysis forward.read more
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Ternary CdS/Au/3DOM-SrTiO3 composites with synergistic enhancement for hydrogen production from visible-light photocatalytic water splitting
Yue Chang,Kai Yu,Kai Yu,Chenxi Zhang,Zequn Yang,Yajun Feng,He Hao,Yuanzhi Jiang,Lan-Lan Lou,Wuzong Zhou,Shuangxi Liu +10 more
TL;DR: In this article, a ternary composites based on three dimensionally ordered macroporous (3DOM) SrTiO 3 (CdS/Au/3DOM-SrTiO3 ) were prepared and used as photocatalysts in visible light (λ −> 420 nm) water splitting for hydrogen evolution.
Journal ArticleDOI
Controlling Reaction Selectivity over Hybrid Plasmonic Nanocatalysts
Jhon Quiroz,Eduardo C. M. Barbosa,Thaylan Pinheiro Araújo,Jhonatan Luiz Fiorio,Yi-Chi Wang,Yichao Zou,Tong Mou,Tiago Vinicius Alves,Daniela C. de Oliveira,Bin Wang,Sarah J. Haigh,Liane M. Rossi,Pedro H. C. Camargo +12 more
TL;DR: It is demonstrated that reaction selectivity of a sequential reaction can be controlled under visible light illumination and this work believes these results will contribute to the use of plasmonic catalysis to drive and control a wealth of selective molecular transformations under ecofriendly conditions andvisible light illumination.
Journal ArticleDOI
Spatially Mapping Energy Transfer from Single Plasmonic Particles to Semiconductor Substrates via STEM/EELS
Guoliang Li,Charles Cherqui,Nicholas W. Bigelow,Gerd Duscher,Patrick J. Straney,Jill E. Millstone,David J. Masiello,Jon P. Camden +7 more
TL;DR: This work spatially and spectrally resolve the interaction between single Ag nanocubes with insulating and semiconducting substrates using electron energy-loss spectroscopy, electrodynamics simulations, and extended plasmon hybridization theory.
Journal ArticleDOI
Microwave-assisted hydrothermal synthesis of cube-like Ag-Ag 2 MoO 4 with visible-light photocatalytic activity
TL;DR: In this paper, the cube-like Ag-Ag2MoO4 composite has been successfully prepared in the presence of PVP (polyvinylpyrrolidone) via a facile microwave-assisted hydrothermal process.
Journal ArticleDOI
Direct Photocatalysis for Organic Synthesis by Using Plasmonic-Metal Nanoparticles Irradiated with Visible Light
TL;DR: In this paper, the role played by localized surface plasmon resonance (LSPR) in catalyzing organic transformations and the role that light irradiation plays in catalystizing the reactions are discussed.
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
Probing Single Molecules and Single Nanoparticles by Surface-Enhanced Raman Scattering
Shuming Nie,Steven R. Emory +1 more
TL;DR: In this article, surface-enhanced Raman scattering was used to detect single molecules and single nanoparticles at room temperature with the use of surface enhanced Raman, and the intrinsic Raman enhancement factors were on the order of 10 14 to 10 15, much larger than the ensemble-averaged values derived from conventional measurements.
Journal ArticleDOI
The Optical Properties of Metal Nanoparticles: The Influence of Size, Shape, and Dielectric Environment
TL;DR: In this paper, the authors describe recent progress in the theory of nanoparticle optical properties, particularly methods for solving Maxwell's equations for light scattering from particles of arbitrary shape in a complex environment.
Journal ArticleDOI
Heterogeneous photocatalyst materials for water splitting
Akihiko Kudo,Yugo Miseki +1 more
TL;DR: This critical review shows the basis of photocatalytic water splitting and experimental points, and surveys heterogeneous photocatalyst materials for water splitting into H2 and O2, and H2 or O2 evolution from an aqueous solution containing a sacrificial reagent.
Journal Article
Photoelectrochemical cells : Materials for clean energy
TL;DR: In this paper, the authors look into the historical background, and present status and development prospects for photoelectrochemical cells, based on nanocrystalline materials and conducting polymer films.
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