Photocatalytic activities of Pt/ZIF-8 loaded highly ordered TiO2 nanotubes

Tayirjan T. Isimjan; Hossein Kazemian; Sohrab Rohani; Ajay K. Ray

doi:10.1039/C0JM02152K

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Photocatalytic activities of Pt/ZIF-8 loaded highly ordered TiO₂nanotubes†

Tayirjan T. Isimjan,^a Hossein Kazemian,^a Sohrab Rohani*^a and Ajay K. Ray^a

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* Corresponding authors

^a Department of Chemical and Biochemical Engineering, The University of Western Ontario, 1151 Richmond Street N, London, Ontario, Canada
E-mail: srohani@uwo.ca
Fax: +1 519-661-3498
Tel: +1 519-661-2111 ext. 84116

Abstract

The structural and photocatalytic properties of Pt/ZIF-8 loaded TiO₂ nanotubes (TiO₂ NTs) are investigated and compared to Pt/TiO₂ NTs. The loaded ZIF-8 nano crystallites were in the range of 20–40 nm and adhered well to the inner and outer lateral surfaces of the nanotubes. A uniform coverage of the ZIF-8 on the surfaces of TiO₂ NTs was observed by SEM. EDX results revealed 18.1% loading of ZIF-8 on the TiO₂ NTs. An increase in photocatalytic properties of ZIF-8 loaded TiO₂ NTs was observed by photodegradation of phenol in a 15 mL batch reactor. The resulting Pt/ZIF-8 loaded TiO₂ NTs composite were characterized by UV-vis, XRD and SEM.

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Supplementary files

The ESI includes the ZIF-8 synthesis reaction, a schematic illustration of the catalytic setup, SEM images of the samples, band gap and ZIF-8 loading calculations PDF (1789K)

Article information

DOI: https://doi.org/10.1039/C0JM02152K
Article type: Paper
Submitted: 06 Jul 2010
Accepted: 03 Sep 2010
First published: 29 Sep 2010

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J. Mater. Chem., 2010,20, 10241-10245

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Photocatalytic activities of Pt/ZIF-8 loaded highly ordered TiO₂ nanotubes

T. T. Isimjan, H. Kazemian, S. Rohani and A. K. Ray, J. Mater. Chem., 2010, 20, 10241 DOI: 10.1039/C0JM02152K

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Journal of Materials Chemistry