Facile and Ultrasensitive Determination of 4-Nitrophenol Based on Acetylene Black Paste and Graphene Hybrid Electrode

He, Quanguo; Tian, Yaling; Wu, Yiyong; Liu, Jun; Li, Guangli; Deng, Peihong; Chen, Dongchu

doi:10.3390/nano9030429

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Facile and Ultrasensitive Determination of 4-Nitrophenol Based on Acetylene Black Paste and Graphene Hybrid Electrode

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School of Life Sciences and Chemistry, Hunan University of Technology, Zhuzhou 412007, China

Key Laboratory of Functional Metal-Organic Compounds of Hunan Province; Key Laboratory of functional Organometallic Materials of Hunan Provincial Universities; Department of Chemistry and Material Science, Hengyang Normal University, Hengyang 421008, China

School of Materials Science and Energy Engineering, Foshan University, Foshan 528000, China

Authors to whom correspondence should be addressed.

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These authors contributed equally to this work.

Nanomaterials 2019, 9(3), 429; https://doi.org/10.3390/nano9030429

Received: 13 February 2019 / Revised: 8 March 2019 / Accepted: 11 March 2019 / Published: 13 March 2019

(This article belongs to the Special Issue Alleviating Climate Change and Pollution with Nanomaterials)

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Abstract

4-nitrophenol (4-NP) is a hazardous waste and a priority toxic pollutant identified by US Environmental Protection Agency (EPA). Hence, in this paper, a voltammetric sensor was proposed for the direct and sensitive detection of 4-nitrophenol (4-NP) at nanomolar level in complex matrices by using graphene and acetylene black paste hybridized electrode (GR/ABPE). Under optimal conditions, the calibration curve demonstrates a linear relationship for 4-NP in the range from 20 nM to 8.0 μM and 8.0 μM to 0.1 mM separately with the detection limit of 8.0 nM. In addition to it, the performance of the GR/ABPE in practical applications was evaluated by detecting 4-NP in various water samples, and satisfactory recoveries were realized. Therefore, GR/ABPE may have a great potential application for facile and sensitive detection of 4-NP in complex matrices at nanomolar level. View Full-Text

Keywords: 4-Nitrophenol; nanomolar detection; water resources protection; graphene; acetylene black; voltammetric sensor

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MDPI and ACS Style

He, Q.; Tian, Y.; Wu, Y.; Liu, J.; Li, G.; Deng, P.; Chen, D. Facile and Ultrasensitive Determination of 4-Nitrophenol Based on Acetylene Black Paste and Graphene Hybrid Electrode. Nanomaterials 2019, 9, 429. https://doi.org/10.3390/nano9030429

AMA Style

He Q, Tian Y, Wu Y, Liu J, Li G, Deng P, Chen D. Facile and Ultrasensitive Determination of 4-Nitrophenol Based on Acetylene Black Paste and Graphene Hybrid Electrode. Nanomaterials. 2019; 9(3):429. https://doi.org/10.3390/nano9030429

Chicago/Turabian Style

He, Quanguo, Yaling Tian, Yiyong Wu, Jun Liu, Guangli Li, Peihong Deng, and Dongchu Chen. 2019. "Facile and Ultrasensitive Determination of 4-Nitrophenol Based on Acetylene Black Paste and Graphene Hybrid Electrode" Nanomaterials 9, no. 3: 429. https://doi.org/10.3390/nano9030429

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Facile and Ultrasensitive Determination of 4-Nitrophenol Based on Acetylene Black Paste and Graphene Hybrid Electrode

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