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Vol. 8 No. 4 (2016)

The Inhibition Effect of Tert-Butyl Alcohol on the TiO2 Nano Assays Photoelectrocatalytic Degradation of Different Organics and Its Mechanism

https://doi.org/10.1007/s40820-015-0080-2
Xuejin Li
School of Environmental Science and Engineering, Shanghai Jiao Tong University, No. 800 Dongchuan Rd, Shanghai 200240, People’s Republic of China
Jinhua Li
School of Environmental Science and Engineering, Shanghai Jiao Tong University, No. 800 Dongchuan Rd, Shanghai 200240, People’s Republic of China
Jing Bai
School of Environmental Science and Engineering, Shanghai Jiao Tong University, No. 800 Dongchuan Rd, Shanghai 200240, People’s Republic of China
Yifan Dong
School of Environmental Science and Engineering, Shanghai Jiao Tong University, No. 800 Dongchuan Rd, Shanghai 200240, People’s Republic of China
Linsen Li
School of Environmental Science and Engineering, Shanghai Jiao Tong University, No. 800 Dongchuan Rd, Shanghai 200240, People’s Republic of China
Baoxue Zhou
School of Environmental Science and Engineering, Shanghai Jiao Tong University, No. 800 Dongchuan Rd, Shanghai 200240, People’s Republic of China

Corresponding Author: Baoxue Zhou

zhoubaoxue@sjtu.edu.cn

Nano-Micro Letters, Vol. 8 No. 4 (2016), Article Number: 221-231

Abstract

The inhibition effect of tert-butyl alcohol (TBA), identified as the •OH radical inhibitor, on the TiO2 nano assays (TNA) photoelectrocatalytic oxidation of different organics such as glucose and phthalate was reported. The adsorption performance of these organics on the TNA photoelectrode was investigated by using the instantaneous photocurrent value, and the degradation property was examined by using the exhausted reaction. The results showed that glucose exhibited the poor adsorption and easy degradation performance, phthalate showed the strong adsorption and hard-degradation, but TBA showed the weak adsorption and was the most difficult to be degraded. The degradation of both glucose and phthalate could be inhibited evidently by TBA. But the effect on glucose was more obvious. The different inhibition effects of TBA on different organics could be attributed to the differences in the adsorption and the degradation property. For instance, phthalate of the strong adsorption property could avoid from the capture of •OH radicals by TBA in TNA photoelectrocatalytic process.

Keywords

Tert-butyl alcohol Photoelectrocatalysis TiO2 nano assays Hydroxyl radical inhibitor Inhibition effect
Li, Xuejin, Jinhua Li, Jing Bai, Yifan Dong, Linsen Li, and Baoxue Zhou. 2016. “The Inhibition Effect of Tert-Butyl Alcohol on the TiO2 Nano Assays Photoelectrocatalytic Degradation of Different Organics and Its Mechanism”. Nano-Micro Letters 8 (4):221-31. https://doi.org/10.1007/s40820-015-0080-2.
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