Document Type
Article
Abstract
The detection of ammonia (NH) in low concentrations is very important in the chemical industry and for human health. In this paper, we present reduced graphene oxide (RGO) decorated with silver nanoparticles (AgNPs) as a sensing material for NH. A simple, environmentally friendly, and cost-efficient green approach for the preparation of the sensing material is proposed. X-ray diffraction (XRD), Raman spectroscopy, and field emission scanning electron microscopy (FE-SEM) were used to analyze the crystalline structure, material composition, and surface appearance characteristics of the sensing material. By combining the material with a commercial near-field communication (NFC) tag, a wireless gas sensor was built. The enhanced NH-sensing performance is mainly due to the synergistic effect between Ag and RGO. More specifically, AgNPs enhanced the adsorption capacity of RGO for NH electrons. The excellent performance of the sensor shows that it has potential for applications in food safety, environment, and human health monitoring.
Digital Object Identifier (DOI)
Publication Info
Published in Scientific Reports, Volume 9, Issue 1, 2019, pages 9942-.
APA Citation
Zhang, L., Tan, Q., Kou, H., Wu, D., Zhang, W., & Xiong, J. (2019). Highly Sensitive NH3 Wireless Sensor Based on Ag-RGO Composite Operated at Room-temperature. Scientific Reports, 9.https://doi.org/10.1038/s41598-019-46213-9
Rights
© The Author(s) 2019 This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/ .