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Issue 31, 2017
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Titanium dioxide visible light photocatalysis: surface association enables photocatalysis with visible light irradiation†

Spencer P. Pitre, ORCID logo a   Tehshik P. Yoon ORCID logo *b  and  Juan C. Scaiano ORCID logo *a  
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* Corresponding authors

a Department of Chemistry and Biomolecular Sciences and Centre for Catalysis Research and Innovation, University of Ottawa, 10 Marie Curie Private, Ottawa, ON K1N 6N5, Canada
E-mail: titoscaiano@mac.com

b Department of Chemistry, University of Wisconsin-Madison, 1101 University Avenue, Madison, WI 53706, USA
E-mail: tyoon@chem.wisc.edu

Abstract

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.

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

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Article information

https://doi.org/10.1039/C7CC01952A
Submitted
15 Mar 2017
Accepted
28 Mar 2017
First published
28 Mar 2017
Chem. Commun., 2017,53, 4335-4338
Article type
Communication
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Titanium dioxide visible light photocatalysis: surface association enables photocatalysis with visible light irradiation

S. P. Pitre, T. P. Yoon and J. C. Scaiano, Chem. Commun., 2017, 53, 4335
DOI: 10.1039/C7CC01952A

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