Journal
ELECTROANALYSIS
Volume 32, Issue 7, Pages 1651-1658Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/elan.201900638
Keywords
Nanoparticles; Carbon materials; photoelectrochemical; aptasensor; bisphenol A
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Funding
- Key projects of science and technology research in Hebei higher education institutions [ZD2018311]
- Key Laboratory of Bio-inspired Materials and Interfacial Science, TICP, CAS
- Xingtai science and technology program [2018ZC031, 2018ZC227]
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In this work, g-C3N4, CuO and g-C3N4/CuO-X (where x can be 3, 6, or 9) were synthesized through hydrothermal and calcination methods and used to fabricate photoelectrochemical (PEC) aptasensor for detection of bisphenol A (BPA). CuO nanoparticles covered with g-C3N4 were observed by scanning electron microscopy (SEM) and transmission electron microscopy (TEM). The aptasensor based on g-C3N4/CuO-6 possessed high PEC activity due to its good conductivity and low electron recombination rate. PEC experiments demonstrate that the aptasensor based on g-C3N4/CuO-6 exhibits a broad linear range towards BPA from 0.02-10 ng L-1 and 50-1200 ng L-1 and reveals superior stability, selectivity and repeatability. Thus, g-C3N4/CuO-6 composite is a promising material for the determination of BPA in PEC field and has commercially viable.
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