负载在二氧化钛颗粒上的金纳米粒子的可见光表面等离子体共振吸收诱导的非线性光催化反应。
Non-linear photocatalytic reaction induced by visible-light surface-plasmon resonance absorption of gold nanoparticles loaded on titania particles.
机构信息
Department of Applied Chemistry, Faculty of Science and Engineering, Kinki University, Kowakae, Higashiosaka, Osaka 577-8502, Japan.
出版信息
Chem Commun (Camb). 2013 Apr 28;49(33):3419-21. doi: 10.1039/c3cc41122b.
PMID:23503594
Abstract
Nearly second-order (1.87th) light-intensity dependence was observed for photocatalytic oxidation of formic acid in aqueous solutions induced by visible-light surface-plasmon resonance absorption of gold nanoparticles loaded on titanium(IV) oxide prepared by the colloid-photodeposition method using a hole scavenger, indicating that the photocatalytic reaction proceeds through a non-linear process.
摘要
在胶体光沉积法制备的负载金纳米粒子的二氧化钛中，观察到光催化氧化甲酸在水溶液中受可见光表面等离子体共振吸收的近二阶（1.87 阶）光强依赖性，表明光催化反应是通过非线性过程进行的。在该过程中，使用空穴清除剂作为添加剂。
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