基于嵌入石墨氮化碳（gCN）的11族金属（Cu、Ag和Au）纳米粒子的增强丙酮传感

IF 1.7 Q3 PHYSICS, ATOMIC, MOLECULAR & CHEMICAL

Atoms Pub Date : 2023-05-01 DOI:10.3390/atoms11050078

Nihal, R. Sharma, Navjot Kaur, Mamta Sharma, B. Choudhary, J. Goswamy

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引用次数: 0

摘要

在这项工作中，开发了一种用于室温丙酮传感的11族金属纳米颗粒嵌入、石墨氮化碳基电阻型传感器。我们通过热缩聚和化学还原方法合成了嵌入石墨氮化碳（gCN）中的纯11族过渡金属（Cu、Ag和Au）纳米颗粒。利用紫外/可见光谱、FTIR光谱、XRD、HRTEM、FESEM和EDS技术对合成的材料进行了表征。计算了响应、响应/恢复时间、选择性和稳定性等传感特性。本研究证实，与Cu/gCN、Au/gCN和纯gCN相比，Ag/gCN是丙酮室温传感的最佳材料。Ag/gCN在室温下对20ppm丙酮的响应为28%。响应/恢复时间为42.05/37.09s。此外，Ag/gCN的响应在10天内是稳定的。

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Enhanced Acetone Sensing Based on Group-11 Metal (Cu, Ag, and Au) Nanoparticles Embedded in Graphitic Carbon Nitride (gCN)

In this work, a group-11 metal nanoparticle-embedded, graphitic carbon nitride-based, resistive-type sensor was developed for room temperature acetone sensing. We synthesized pure and group-11 transition metal (Cu, Ag and Au) nanoparticles embedded in graphitic carbon nitride (gCN) by thermal polycondensation and chemical reduction methods. The synthesized material was characterized using UV/visspectroscopy, FTIRspectroscopy, XRD, HRTEM, FESEM, and EDS techniques. Sensing properties such as response, response/recovery time, selectivity, and stability were calculated. This study confirms that Ag/gCN is the best material for room temperature sensing of acetone compared to Cu/gCN, Au/gCN, and pure gCN. The response of Ag/gCN for 20 ppm acetone at room temperature is 28%. The response/recovery time is 42.05/37.09 s. Moreover, the response of Ag/gCN is stable for 10 days.

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来源期刊

Atoms Physics and Astronomy-Nuclear and High Energy Physics

CiteScore

2.70

自引率

22.20%

发文量

128

审稿时长

8 weeks

期刊介绍： Atoms (ISSN 2218-2004) is an international and cross-disciplinary scholarly journal of scientific studies related to all aspects of the atom. It publishes reviews, regular research papers, and communications; there is no restriction on the length of the papers. Our aim is to encourage scientists to publish their experimental and theoretical research in as much detail as possible. Full experimental and/or methodical details must be provided for research articles. There are, in addition, unique features of this journal: -manuscripts regarding research proposals and research ideas will be particularly welcomed. -computed data, program listings, and files regarding the full details of the experimental procedure, if unable to be published in a normal way, can be deposited as supplementary material. Scopes: -experimental and theoretical atomic, molecular, and nuclear physics, chemical physics -the study of atoms, molecules, nuclei and their interactions and constituents (protons, neutrons, and electrons) -quantum theory, applications and foundations -microparticles, clusters -exotic systems (muons, quarks, anti-matter) -atomic, molecular, and nuclear spectroscopy and collisions -nuclear energy (fusion and fission), radioactive decay -nuclear magnetic resonance (NMR) and electron spin resonance (ESR), hyperfine interactions -orbitals, valence and bonding behavior -atomic and molecular properties (energy levels, radiative properties, magnetic moments, collisional data) and photon interactions