Preparation of Bi-doped TiOB2B modified by TEA and Its Enhanced Photocatalytic Properties under visible light illumination

DOI

10.2991/emeit.2012.102How to use a DOI?

Keywords

TiOB2, TEA, photocatalytic degradation, doped

Abstract

Bi-doped TiO2 powders were synthetised by sol-gel method and triethanolamine(TEA) was added to the Bi-doped TiO2 Bcolloid to improve the perfenmance of prepared photocatalyst. The powder samples were characterized by scanning electron microscopy (SEM), energy dispersive X-ray spectroscopy (EDS), and UV-vis spectroscopy, respectively. The results show that the addition of TEA influenced both the morphology and the light absorption performance of the catalysts. The photocatalytic activity was investigated by employing methylene blue (MB) as the target pollutant under visible light illumination. Compared with Bi-doped TiO2B, the samplesB Bmodified by TEA exhibited an enhanced photocatalytic activity. The enhanced photocatalytic activity observed could be attributed to the porous surface and the red shift of visible light absorption which was caused by a narrowing of bandgap of semiconductor.

Copyright

© 2012, the Authors. Published by Atlantis Press.

Open Access

This is an open access article distributed under the CC BY-NC license (http://creativecommons.org/licenses/by-nc/4.0/).

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TY  - CONF
AU  - Xiaofang Cheng
AU  - Hongwu Feng
AU  - Yanqin Wang
PY  - 2012/09
DA  - 2012/09
TI  - Preparation of Bi-doped TiOB2B modified by TEA and Its Enhanced Photocatalytic Properties under visible light illumination
BT  - Proceedings of the 2nd International Conference on Electronic & Mechanical Engineering and Information Technology (EMEIT 2012)
PB  - Atlantis Press
SP  - 499
EP  - 502
SN  - 1951-6851
UR  - https://doi.org/10.2991/emeit.2012.102
DO  - 10.2991/emeit.2012.102
ID  - Cheng2012/09
ER  -