A Facile One-Step Synthesis of Cuprous Oxide/Silver Nanocomposites as Efficient Electrode-Modifying Materials for Nonenzyme Hydrogen Peroxide Sensor

Cuprous oxide/silver (Cu2O/Ag) nanocomposites were prepared via a facile one-step method and used to construct an electrochemical sensor for hydrogen peroxide (H2O2) detection. In this method, AgNO3 and Cu(NO...

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Main Authors:	Kaixiang Yang, Zhengguang Yan, Lin Ma, Yiping Du, Bo Peng, Jicun Feng
Format:	Article
Language:	English
Published:	MDPI AG 2019-04-01
Series:	Nanomaterials
Subjects:	cuprous oxide/silver nanocomposites hydrogen peroxide electrochemistry sensor
Online Access:	https://www.mdpi.com/2079-4991/9/4/523

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record_format	Article
spelling	doaj-4b68b1333c5c4162bf273fe96483105e2020-11-24T21:45:16ZengMDPI AGNanomaterials2079-49912019-04-019452310.3390/nano9040523nano9040523A Facile One-Step Synthesis of Cuprous Oxide/Silver Nanocomposites as Efficient Electrode-Modifying Materials for Nonenzyme Hydrogen Peroxide SensorKaixiang Yang0Zhengguang Yan1Lin Ma2Yiping Du3Bo Peng4Jicun Feng5Institute of Microstructure and Property of Advanced Materials, Beijing University of Technology, Beijing 100124, ChinaInstitute of Microstructure and Property of Advanced Materials, Beijing University of Technology, Beijing 100124, ChinaInstitute of Microstructure and Property of Advanced Materials, Beijing University of Technology, Beijing 100124, ChinaInstitute of Microstructure and Property of Advanced Materials, Beijing University of Technology, Beijing 100124, ChinaInstitute of Microstructure and Property of Advanced Materials, Beijing University of Technology, Beijing 100124, ChinaInstitute of Microstructure and Property of Advanced Materials, Beijing University of Technology, Beijing 100124, ChinaCuprous oxide/silver (Cu<sub>2</sub>O/Ag) nanocomposites were prepared via a facile one-step method and used to construct an electrochemical sensor for hydrogen peroxide (H<sub>2</sub>O<sub>2</sub>) detection. In this method, AgNO<sub>3</sub> and Cu(NO<sub>3</sub>)<sub>2</sub> were reduced to Cu<sub>2</sub>O/Ag nanocomposites by glucose in the presence of hexadecyl trimethyl ammonium bromide (CTAB) at a low temperature. The optimum condition was the molar ratio of silver nitrate and copper nitrate of 1:10, the temperature of 50 °C. Under this condition, Cu<sub>2</sub>O/Ag nanocomposites were obtained with uniformly distributed and tightly combined Cu<sub>2</sub>O and Ag nanoparticles. The size of Cu<sub>2</sub>O particles was less than 100 nm and that of Ag particles was less than 20 nm. Electrochemical experiments indicate that the Cu<sub>2</sub>O/Ag nanocomposites-based sensor possesses an excellent performance toward H<sub>2</sub>O<sub>2</sub>, showing a linear range of 0.2 to 4000 μM, a high sensitivity of 87.0 μA mM<sup>−1</sup> cm<sup>−2</sup>, and a low detection limit of 0.2 μM. The anti-interference capability experiments indicate this sensor has good selectivity toward H<sub>2</sub>O<sub>2</sub>. Additionally, the H<sub>2</sub>O<sub>2</sub> recovery tests of the sensor in diluted milk solution signify its potential application in routine H<sub>2</sub>O<sub>2</sub> analysis.https://www.mdpi.com/2079-4991/9/4/523cuprous oxide/silvernanocompositeshydrogen peroxideelectrochemistrysensor
collection	DOAJ
language	English
format	Article
sources	DOAJ
author	Kaixiang Yang Zhengguang Yan Lin Ma Yiping Du Bo Peng Jicun Feng
spellingShingle	Kaixiang Yang Zhengguang Yan Lin Ma Yiping Du Bo Peng Jicun Feng A Facile One-Step Synthesis of Cuprous Oxide/Silver Nanocomposites as Efficient Electrode-Modifying Materials for Nonenzyme Hydrogen Peroxide Sensor Nanomaterials cuprous oxide/silver nanocomposites hydrogen peroxide electrochemistry sensor
author_facet	Kaixiang Yang Zhengguang Yan Lin Ma Yiping Du Bo Peng Jicun Feng
author_sort	Kaixiang Yang
title	A Facile One-Step Synthesis of Cuprous Oxide/Silver Nanocomposites as Efficient Electrode-Modifying Materials for Nonenzyme Hydrogen Peroxide Sensor
title_short	A Facile One-Step Synthesis of Cuprous Oxide/Silver Nanocomposites as Efficient Electrode-Modifying Materials for Nonenzyme Hydrogen Peroxide Sensor
title_full	A Facile One-Step Synthesis of Cuprous Oxide/Silver Nanocomposites as Efficient Electrode-Modifying Materials for Nonenzyme Hydrogen Peroxide Sensor
title_fullStr	A Facile One-Step Synthesis of Cuprous Oxide/Silver Nanocomposites as Efficient Electrode-Modifying Materials for Nonenzyme Hydrogen Peroxide Sensor
title_full_unstemmed	A Facile One-Step Synthesis of Cuprous Oxide/Silver Nanocomposites as Efficient Electrode-Modifying Materials for Nonenzyme Hydrogen Peroxide Sensor
title_sort	facile one-step synthesis of cuprous oxide/silver nanocomposites as efficient electrode-modifying materials for nonenzyme hydrogen peroxide sensor
publisher	MDPI AG
series	Nanomaterials
issn	2079-4991
publishDate	2019-04-01
description	Cuprous oxide/silver (Cu<sub>2</sub>O/Ag) nanocomposites were prepared via a facile one-step method and used to construct an electrochemical sensor for hydrogen peroxide (H<sub>2</sub>O<sub>2</sub>) detection. In this method, AgNO<sub>3</sub> and Cu(NO<sub>3</sub>)<sub>2</sub> were reduced to Cu<sub>2</sub>O/Ag nanocomposites by glucose in the presence of hexadecyl trimethyl ammonium bromide (CTAB) at a low temperature. The optimum condition was the molar ratio of silver nitrate and copper nitrate of 1:10, the temperature of 50 °C. Under this condition, Cu<sub>2</sub>O/Ag nanocomposites were obtained with uniformly distributed and tightly combined Cu<sub>2</sub>O and Ag nanoparticles. The size of Cu<sub>2</sub>O particles was less than 100 nm and that of Ag particles was less than 20 nm. Electrochemical experiments indicate that the Cu<sub>2</sub>O/Ag nanocomposites-based sensor possesses an excellent performance toward H<sub>2</sub>O<sub>2</sub>, showing a linear range of 0.2 to 4000 μM, a high sensitivity of 87.0 μA mM<sup>−1</sup> cm<sup>−2</sup>, and a low detection limit of 0.2 μM. The anti-interference capability experiments indicate this sensor has good selectivity toward H<sub>2</sub>O<sub>2</sub>. Additionally, the H<sub>2</sub>O<sub>2</sub> recovery tests of the sensor in diluted milk solution signify its potential application in routine H<sub>2</sub>O<sub>2</sub> analysis.
topic	cuprous oxide/silver nanocomposites hydrogen peroxide electrochemistry sensor
url	https://www.mdpi.com/2079-4991/9/4/523
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A Facile One-Step Synthesis of Cuprous Oxide/Silver Nanocomposites as Efficient Electrode-Modifying Materials for Nonenzyme Hydrogen Peroxide Sensor

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