Preparation of Rare Earth Yb Doped TiO2 Photo-catalyst by Microwave Hydrothermal Method and Its Photo-catalytic Activity

DOI

10.2991/meici-17.2017.170How to use a DOI?

Keywords

Microwave hydrothermal method; Yb doping; TiO2 photo-catalyst; UV irradiation; Solar illumination; Photo-catalytic activity

Abstract

The rare earth Yb doped TiO2 photo-catalysts TiO2-Yb were prepared by microwave hydrothermal method and its photo-catalytic activity under UV irradiation and solar irradiation were investigated. The optimal conditions for the preparation of TiO2-Yb photo-catalyst were obtained by optimizing the reaction condition. They were that Yb and Ti molar ratio n (Yb3+) /n (Ti4+) =0.14%, microwave power 600 W, reaction temperature 160â"ƒ, reaction time 3.5 h in parallel synthesis reaction and calcination temperature 650â"ƒ, calcination time 2.5 h in the high temperature box resistance furnace. The degradation rate of methyl orange was 98.71% when the TiO2-Yb was used for degradation of methyl orange in the UV irradiation for 50 min. But the degradation rate of methyl orange could almost reach 100% in the sunlight degradation of methyl orange for 4 h, which indicated that the TiO2-Yb prepared by microwave hydrothermal method had higher photo-catalytic activity.

Copyright

© 2017, 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  - Xin Wang
AU  - Cheng Chen
AU  - Xianjun Bi
PY  - 2017/10
DA  - 2017/10
TI  - Preparation of Rare Earth Yb Doped TiO2 Photo-catalyst by Microwave Hydrothermal Method and Its Photo-catalytic Activity
BT  - Proceedings of the 7th International Conference on Management, Education, Information and Control (MEICI 2017)
PB  - Atlantis Press
SP  - 858
EP  - 862
SN  - 1951-6851
UR  - https://doi.org/10.2991/meici-17.2017.170
DO  - 10.2991/meici-17.2017.170
ID  - Wang2017/10
ER  -