A hydrogen sulfide photoelectrochemical sensor based on BiVO4/Fe2O3 heterojunction

被引：0

作者：

Wang, Shi ^{[2
]}

Ao, Jialin ^{[2
]}

Ding, Saiwen ^{[2
]}

Cheng, Qiqing ^{[2
]}

Hu, Mingli ^{[2
]}

Shu, Ting ^{[1
,2
]}

机构：

[1] Hubei Key Lab Diabet & Angiopathy, Xianning 437100, Peoples R China

[2] Hubei Univ Sci & Technol, Xianning Med Coll, Sch Pharm, Xianning 437100, Peoples R China

来源：

MICROCHIMICA ACTA | 2024年 / 191卷 / 09期

关键词：

Photoelectrochemical sensor; Hydrogen sulfide; BiVO4; Fe2O3; PERFORMANCE LIQUID-CHROMATOGRAPHY; BIVO4; NANOCOMPOSITES; FLUORESCENCE; H2S;

D O I：

10.1007/s00604-024-06597-6

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

A BiVO4/Fe2O3 heterojunction for non-enzymatic photoelectrochemical (PEC) determination of hydrogen sulfide (H2S) is reported. The BiVO4/Fe2O3 heterojunction promoted the separation of photo-generated carriers, reduced electron-hole recombination, and thus improved electron collection and photocurrent. The proposed BiVO4/Fe2O3/FTO sensor exhibited a linear range of 1-500 mu M and a detection limit of 0.51 nM H2S. In addition, high selectivity, good reproducibility, and stability were obtained for H2S sensing. The detection of H2S in water and serum samples demonstrated its feasibility. This work provides a new strategy to detect and understand the bio-function of H2S in the biological environment.

引用

页数：9

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