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- Title
Photoelectrochemical Detection of H<sub>2</sub>O<sub>2</sub> Based on Flower-Like CuInS<sub>2</sub>-Graphene Hybrid.
- Authors
Wang, Siwen; Zhu, Yihua; Yang, Xiaoling; Li, Chunzhong
- Abstract
A novel photoelectrochemcial biosensing system was fabricated based on the composition of horseradish peroxidase (HRP), flower-like CuInS2 (CIS) and graphene on indium tin oxide (ITO) electrode for detecting H2O2. The graphene layer was used as highly conductive scaffolds for electron transport from the ITO electrode to CIS. Furthermore, the flower-like CIS enhanced the multi-reflection of light and provided matrixes for the adsorption of HRP. Utilizing one-pot solvothermal method, we prepared flower-like CIS-graphene hybrid (GCIS). Electrochemical tests displayed advantage of graphene with better electron conductivity, and HRP/GCIS showed higher photoelectrochemical behavior.
- Subjects
GRAPHENE synthesis; HORSERADISH peroxidase; PHOTOELECTROCHEMICAL cells; ELECTRON transport; INDIUM tin oxide; ELECTROCHEMICAL analysis
- Publication
Electroanalysis, 2014, Vol 26, Issue 3, p573
- ISSN
1040-0397
- Publication type
Article
- DOI
10.1002/elan.201300515