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Materials 2017, 10(7), 799; doi:10.3390/ma10070799

Fabrication and Characterization of Highly Sensitive Acetone Chemical Sensor Based on ZnO Nanoballs

1
College of Engineering and Technology, Southwest University, Chongqing 400715, China
2
College of Communication Engineering, Chengdu University of Information Technology, Chengdu 610225, China
3
Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Najran University, Najran 11001, Saudi Arabia
4
Department of Chemistry, Jagdish Chandra DAV College, Dasuya 144205, Punjab, India
5
Department of Pathology, Faculty of Medicine, Najran University, Najran 11001, Saudi Arabia
6
Department of Chemistry, College of Science and Arts, Najran University, P.O. Box 1988, Najran 11001, Saudi Arabia
7
Promising Centre for Sensors and Electronic Devices (PCSED), Najran University, P.O. Box 1988, Najran 11001, Saudi Arabia
*
Authors to whom correspondence should be addressed.
Received: 2 June 2017 / Revised: 4 July 2017 / Accepted: 7 July 2017 / Published: 14 July 2017
(This article belongs to the Special Issue Zinc Oxide Nanostructures: Synthesis and Characterization)
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Abstract

Highly sensitive acetone chemical sensor was fabricated using ZnO nanoballs modified silver electrode. A low temperature, facile, template-free hydrothermal technique was adopted to synthesize the ZnO nanoballs with an average diameter of 80 ± 10 nm. The XRD and UV-Vis. studies confirmed the excellent crystallinity and optical properties of the synthesized ZnO nanoballs. The electrochemical sensing performance of the ZnO nanoballs modified AgE towards the detection of acetone was executed by simple current–voltage (IV) characteristics. The sensitivity value of ∼472.33 μA·mM−1·cm−2 and linear dynamic range (LDR) of 0.5 mM–3.0 mM with a correlation coefficient (R2) of 0.97064 were obtained from the calibration graph. Experimental limit of detection (LOD) for ZnO nanoballs modified AgE was found to be 0.5 mM. View Full-Text
Keywords: ZnO; nanoballs; acetone; current–voltage; electrochemical; sensor ZnO; nanoballs; acetone; current–voltage; electrochemical; sensor
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MDPI and ACS Style

Zhou, Q.; Hong, C.; Yao, Y.; Ibrahim, A.M.; Xu, L.; Kumar, R.; Talballa, S.M.; Kim, S.H.; Umar, A. Fabrication and Characterization of Highly Sensitive Acetone Chemical Sensor Based on ZnO Nanoballs. Materials 2017, 10, 799.

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