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Reference type: Journal
Authors: Peng DH, Li X, Zhang LZ, Gong JM
Article Title: Novel visible-light-responsive photoelectrochemical sensor of 2,4-dichlorophenoxyacetic acid using molecularly imprinted polymer/BiOI nanoflake arrays.
Publication date: 2014
Journal: Electrochemistry Communications
Volume: 47
Page numbers: 9-12.
DOI: 10.1016/j.elecom.2014.07.010
Alternative URL: http://www.sciencedirect.com/science/article/pii/S1388248114002197

Abstract: A novel and highly sensitive visible-light photoelectrochemical (PEC) sensor for the detection of 2,4-D has been developed using a nanocomposite of molecularly imprinted gold nanoparticles-polypyrrole polymer (MIP) modified BiOI nanoflake arrays (BiOINFs) as a photoactive electrode (labeled as MIP@BiOINFs). Our results demonstrate that the smart combination of BiOINFs with MIP offers a high-performance photoactive sensing platform. It features the intrinsically excellent visible-light responsive properties of BiOI and prominent recognition ability from MIP. The designed MIP@BiOINF composite dramatically facilitates the PEC determination of 2,4-D. The detection limit for 2,4-D is found to be as low as about 0.04 ng mL-1 (S/N = 3). Moreover, the resulting sensor could be used to detect 2,4-D in spiked soil samples
Template and target information: 2,4-dichlorophenoxyacetic acid, 2,4-D
Author keywords: 2,4-dichlorophenoxyacetic acid, Photoelectrochemical sensor, BiOI nanoflake array, molecularly imprinted polymer

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