β-Cyclodextrin's orientation onto TiO2 and its paradoxical role in guest's photodegradation

Xu Zhang; Zixin Yang; Xuankun Li; Nansheng Deng; Shahua Qian

doi:10.1039/C2CC37244D

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β-Cyclodextrin's orientation onto TiO₂ and its paradoxical role in guest's photodegradation†

Xu Zhang,*^a Zixin Yang,*^b Xuankun Li,^a Nansheng Deng^a and Shahua Qian^a

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* Corresponding authors

^a School of Resources and Environmental Science, Hubei Biomass-Resource Chemistry and Environmental Biotechnology Key Laboratory, Wuhan University, Wuhan, P.R.China
E-mail: xuzhangwhu@gmail.com
Fax: +86 2768778893
Tel: +86 2768778381

^b Department of Chemistry, University of Victoria, Victoria, Canada
E-mail: zixinyangzxy@gmail.com
Fax: +1 2507217147
Tel: +1 2508859577

Abstract

This work revealed that β-cyclodextrin was attached onto the surface of TiO₂ predominately by its secondary ring side, which caused paradoxical functions of β-cyclodextrin in the photodegradation of the four bisphenols. The equilibrium between the guest adsorbed through β-cyclodextrin onto TiO₂ and the one locked in β-CD in water could also change the role of β-cyclodextrin in the degradation of a certain guest.

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Article information

DOI: https://doi.org/10.1039/C2CC37244D
Article type: Communication
Submitted: 04 Oct 2012
Accepted: 28 Nov 2012
First published: 29 Nov 2012

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Chem. Commun., 2013,49, 825-827

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β-Cyclodextrin's orientation onto TiO₂ and its paradoxical role in guest's photodegradation

X. Zhang, Z. Yang, X. Li, N. Deng and S. Qian, Chem. Commun., 2013, 49, 825 DOI: 10.1039/C2CC37244D

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