Preparation of PbS/TiO2 nanotube films for enhanced photoelectrochemical response and cathodic protection performance

被引：0
作者：
Gao, Yun [1 ]
Zhang, Juanrui [1 ]
Gao, Rongjie [1 ]
机构：
[1] Ocean Univ China, Sch Mat Sci & Engn, Qingdao 266100, Peoples R China
来源：
MATERIALS TODAY COMMUNICATIONS | 2024年 / 41卷
基金：
中国国家自然科学基金;
关键词：
Photoelectrochemical performance; Cathodic protection; Nanotube films; Semiconductor; TIO2;
D O I：
10.1016/j.mtcomm.2024.110757
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Anodic oxidation method and sonication-assisted successive ionic layer adsorption and reaction (S-SILAR) process were used to prepare TiO2 nanotube films and PbS/TiO2 nanotube films. The effects of impregnation times on photoelectrochemical (PEC) performance of PbS/TiO2 nanotube films were systematically studied. The PEC properties were evaluated by UV-vis DRS, I-t, EIS and coupling potential. When PbS nanoparticles were impregnated for 15 times, the bandgap of PbS/TiO2 was narrowed to 1.4 eV, and the photocurrent density could reach 4.14 mA.cm(-2), which increased by 12.8 times compared with TiO2. PbS nanoparticles loading onto TiO2 nanotube films is a simple and effective way to enhanced PEC response and cathodic protection performance.
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页数：6
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