Photoelectrocatalytic activity PbO2 loaded highly oriented TiO2 nanotubes arrays

被引：5
|
作者：
Alimirzaeva, Z. M. [1 ]
Isaev, A. B. [1 ]
Shabanov, N. S. [1 ,2 ]
Magomedova, A. G. [1 ]
Kadiev, M., V [1 ]
Kaviyarasu, K. [3 ,4 ]
机构：
[1] Dagestan State Univ, Dept Environm Chem & Technol, M Gadjieva 43a, Makhachkala 367001, Russia
[2] Russian Acad Sci, Analyt Ctr Collect Use, Dagestan Fed Res Ctr, Gadzhiyev Str 45, Makhachkala 367000, Russia
[3] Univ South Africa UNISA, Coll Grad Studies, Nanotechnol Lab, UNESCO UNISA Africa Chair Nanosci, Muckleneuk Ridge,POB 392, Pretoria, South Africa
[4] Natl Res Fdn NRF, iThemba Labs, Mat Res Grp MRG, Nanosci African Network NANOAFNET, 1 Old Faure Rd,7129 POB 722, Somerset West, Western Cape Pr, South Africa
来源：
MATERIALS TODAY-PROCEEDINGS | 2021年 / 36卷
关键词：
Photoelectrocatalytic activity; PbO2; loaded; TiO2; nanotubes; Aspirin; Oxidation; WASTE-WATER; PHARMACEUTICALS; OXIDATION;
D O I：
10.1016/j.matpr.2020.04.111
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
PbO2 loaded TiO2 nanotubes electrode were prepared using electrodeposition and investigated its photoelectrocatalytic activity at the oxidation of aspirin. It indicated that the Ti/TiO2 NTs/PbO2 electrode had high photoelectrocatalytic activity. The results showed that the removal efficiency of aspirin could be reached up to 65% after 2 h photoelectrolysis at Na2SO4 concentration of 0.1 mol.l(-1), aspirin initial concentration of 2 g.l(-1), the current density of 0.3 A/cm(2), electrode spacing of 1 cm. The reaction mechanism of Ti/TiO2 NTs/PbO2 electrodes photoelectrocatalytic oxidation aspirin mainly caused by the OH center dot radical attacking aspirin molecules with the generation of small linear organic compounds. (C) 2019 Elsevier Ltd. All rights reserved.
引用
收藏
页码：325 / 327
页数：3
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