光催化中表面等离子体与半导体间的电子转移与能量转移

doi:10.7517/j.issn.1674-0475.2018.01.001

摘要/Abstract

摘要： 近年来，表面等离子诱导的光催化反应由于可在阳光激发下通过电子转移、电荷分离进行选择性光氧化还原反应，引起了有机化学与环境科学界的广泛关注。本文在近年有关文献的基础上对等离子光催化领域一些基础性问题进行探讨，如贵金属-纳米颗粒的可见光激发、LSPR的生成、贵金属与半导体材料间的电子转移、贵金属纳米颗粒与半导体间的等离子诱导共振能量转移（PIRET），以及等离子光催化体系的结构和组成等，这些方面对体系光催化能力的影响。

关键词: 局域的等离子共振(LSPR), 等离子光催化, 电子转移, 等离子诱导的共振能量转移(PIRET), 二氧化钛

Abstract: Recently, the plasmon-induced surface photo-catalytic reaction attracts more and more attention in the area of organic chemistry and the environmental sciences, because it can improve the photo-oxidation and reduction and the selectivity of reaction by electron-transfer and energy-transfer processes under excitation of sun-light.Some fundamental problems in the field of plasmon photo-catalyst have been discussed in this paper on the base of the recent international literatures. The discussed topics include:the LSPR formation under excitation of noble-metallic nano-particles by visible light and the electron-transfer between noble-metal and semi-conductor; the plasmon induced resonance energy transfer (PIRET) between plasmon particle and semi-conductor; and the effect of structure and components of plasmon catalyst on the catalytic ability of catalysts.

Key words: localized surface plasmon resonance (LSPR), plasmon photo-catalyst, electron transfer, plasmon induced resonance energy-transfer (PIRET), titanium dioxide

吴世康. 光催化中表面等离子体与半导体间的电子转移与能量转移[J]. 影像科学与光化学, 2018, 36(1): 1-13.

WU Shikang. The Electron-transfer and Energy-transfer between Surface Plasmon and Semiconductor in Photo-catalysts[J]. Imaging Science and Photochemistry, 2018, 36(1): 1-13.

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