Titanium dioxide visible light photocatalysis: surface association enables photocatalysis with visible light irradiation

被引：86
|
作者：
Pitre, Spencer P. [1 ,2 ]
Yoon, Tehshik P. [3 ]
Scaiano, Juan C. [1 ,2 ]
机构：
[1] Univ Ottawa, Dept Chem & Biomol Sci, 10 Marie Curie Private, Ottawa, ON K1N 6N5, Canada
[2] Univ Ottawa, Ctr Catalysis Res & Innovat, 10 Marie Curie Private, Ottawa, ON K1N 6N5, Canada
[3] Univ Wisconsin, Dept Chem, 1101 Univ Ave, Madison, WI 53706 USA
来源：
CHEMICAL COMMUNICATIONS | 2017年 / 53卷 / 31期
基金：
加拿大自然科学与工程研究理事会;
关键词：
PHOTOREDOX CATALYSIS; AEROBIC OXIDATION; TERTIARY-AMINES; ACTION SPECTRA; TIO2; INDOLE;
D O I：
10.1039/c7cc01952a
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Titanium dioxide (TiO2) is a widely employed and inexpensive photocatalyst, but its use in organic synthesis has been limited by the short-wavelength ultraviolet irradiation typically used. We have discovered that TiO2 particles efficiently mediate photocatalytic radical cation Diels-Alder cycloadditions using a simple visible light source, enabled by the formation of a visible light absorbing complex of the substrate on the semiconductor surface.
引用
收藏
页码：4335 / 4338
页数：4
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