Responsive photoactive probe based photoelectrochemical sensor for sulfur dioxide-Reference-Cited by-同舟云学术

Responsive photoactive probe based photoelectrochemical sensor for sulfur dioxide

Published:2024-05-31 Issue: Volume: Page:
ISSN:1040-0397
Container-title:Electroanalysis
language:en
Short-container-title:Electroanalysis

Author:

Zhang Yingying¹²,Hao Yuanqiang²³^ORCID,Peng Ying⁴,Wang Xiaobing¹,Zhou Yanli²^ORCID,Chen Shu³,Xu Maotian²

Affiliation:

1. School of Chemistry and Chemical Engineering Henan Normal University Xinxiang 453007 China

2. Henan Key Laboratory of Biomolecular Recognition and Sensing, Henan Joint International Research Laboratory of Chemo/Biosensing and Early Diagnosis of Major Diseases College of Chemistry and Chemical Engineering, Shangqiu Normal University Shangqiu 476000 China

3. Key Laboratory of Theoretical Organic Chemistry and Functional Molecule, Ministry of Education, School of Chemistry and Chemical Engineering Hunan University of Science and Technology Xiangtan 411201 China

4. Department of Otolaryngology The Affiliated Changsha Central Hospital Hengyang Medical School University of South China Changsha 410028 China

Abstract

AbstractThis study introduces a novel photoelectrochemical (PEC) sensor for the highly selective detection of sulfur dioxide (SO2) using an organic photoactive molecule probe (OPM). OPM is synthesized through a one‐step coupling reaction, featuring a typical photosensitizer D‐π‐A structure. By covalently bonding OPM with a TiO2 substrate, a PEC sensor is constructed, exhibiting a significant photocurrent response under visible light excitation. The specific addition reaction between SO2 and OPM disrupts its conjugated structure, reducing the photocurrent response and achieving highly selective detection of SO2. The sensor demonstrates excellent performance in real water samples, emphasizing its practical applications.

Funder

National Natural Science Foundation of China

Publisher

Wiley

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