Journal
JOURNAL OF COLLOID AND INTERFACE SCIENCE
Volume 506, Issue -, Pages 329-337Publisher
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.jcis.2017.07.059
Keywords
C3N4; RGO; Photo-electrochemical detection; Rutin
Categories
Funding
- National Natural Science Foundation of China [51373111]
- Suzhou Industry [SYG201636]
- Priority Academic Program Development of Jiangsu Higher Education Institutions (PAPD)
- State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials Notes
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Herein, a sensitive photo-electrochemical sensor based on C3N4 and reduced graphene oxide nanosheets modified glassy carbon electrode (C3N4-RGO/GCE) has been fabricated for the detection of rutin under UV light illumination. In C3N4-RGO catalyst, RGO not only works as a template but also promotes electron transfer, meanwhile, C3N4 acts as a photocatalyst. Benefiting from the superior electron transfer capacity and efficient UV light effect of the C3N4-RGO catalyst, we get a photo-electrochemical sensor for the rutin detecting with a low detection limit of 1.78 x 10(-9) mol L-1 and an excellent linear range of 5 x x 10(-4) mol L-1. Meanwhile, the achieved C3N4-RGO/GCE demonstrated nice selectivity, good reproducibility as well as reliable stability. Moreover, compared with the electrochemical determination, the C3N4-RGO electrode provides a new way for rutin detection by photo-electrochemical method with a promising UV light responsive result. (C) 2017 Elsevier Inc. All rights reserved.
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