[1]邢建博,岑远,尹雪,等.ZnO及Au-ZnO中空微球的制备及其气敏性研究[J].深圳大学学报理工版,2018,35(3):267-272.[doi:10.3724/SP.J.1249.2018.03267]
 XING Jianbo,CEN Yuan,YIN Xue,et al.Synthesis and sensitivity of ZnO and Au-ZnO hollow microspheres[J].Journal of Shenzhen University Science and Engineering,2018,35(3):267-272.[doi:10.3724/SP.J.1249.2018.03267]
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ZnO及Au-ZnO中空微球的制备及其气敏性研究()
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《深圳大学学报理工版》[ISSN:1000-2618/CN:44-1401/N]

卷:
第35卷
期数:
2018年第3期
页码:
267-272
栏目:
材料科学
出版日期:
2018-05-15

文章信息/Info

Title:
Synthesis and sensitivity of ZnO and Au-ZnO hollow microspheres
文章编号:
201803004
作者:
邢建博12岑远12尹雪1杜宇2潘勤鹤1
1)海南大学材料与化工学院,海南海口570100
2)深圳大学物理与能源学院,广东深圳518060
Author(s):
XING Jianbo12 CEN Yuan12 YIN Xue1 DU Yu2 and PAN Qinhe1
1) Materials and Chemical Engineering, Hainan University, Haikou 570100, Hainan Province, P.R.China
2) College of Physics and Energy, Shenzhen University, Shenzhen 518060, Guangdong Province, P.R.China
关键词:
无机材料Au-ZnO中空微球气敏性能传感器乙醇微波水热法
Keywords:
inorganic materials Au-ZnO hollow microspheres gas-sensing properties sensor ethanol microwave hydrothermal method
分类号:
TB 321
DOI:
10.3724/SP.J.1249.2018.03267
文献标志码:
A
摘要:
以二水合醋酸锌及氯金酸为主要原料,通过微波水热法快速合成ZnO及Au-ZnO.使用X射线衍射、扫描电子显微镜和透射电子显微镜对样品的组成及结构进行表征.研究发现,制备的材料具有中空微球结构,直径约为4 μm.以制得微球构筑旁热式气敏元件,并采用静态配气法测试了不同掺金量的气敏元件对乙醇、甲醇、丙酮和氨气等气体的敏感性能.分析结果表明,小粒径的Au纳米粒子负载在ZnO表面,提高了表面的粗糙度和比表面积,除此之外,Au活化了乙醇分子,促进了乙醇和氧离子在表面的化学反应,导致Au负载的ZnO对乙醇具有灵敏度高、检测下限低、选择性好、响应和恢复迅速等优点.
Abstract:
ZnO and Au-ZnO hollow microspheres are synthesized with zinc acetate dihydrate and chloruronic acid by microwave-assisted hydrothermal method. The composition and structure of the samples are characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM) and transmission electron microscopy (TEM). The results show that the prepared material has a hollow-microsphere structure with the diameter of about 4 μm. The microspheres are used to construct the directly-heated type gas sensor. The sensing properties of the gas sensors with different Au content are tested by static gas distribution method toward ethanol, methanol, acetone and ammonia, etc. The results show that the small Au nanoparticles loaded on the surface of ZnO increase surface roughness and specific surface area. Moreover, Au additives activate ethanol molecules and promote the chemical reaction of ethanol and oxygen icons on the surface. Therefore, Au-ZnO hollow microspheres exhibit high sensitivity, low limit of detection, good selectivity, rapid response and fast recovery.

参考文献/References:

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备注/Memo

备注/Memo:
Received:2017-09-29;Accepted:2018-03-20
Foundation:National Natural Science Foundation of China (21761010);Natural Science Foundation of Guangdong Province (2016A030313059);Science and Technology Plan Project of Guangdong Province (2017A010101018);Shenzhen Science and Technology Plan Project(JCYJ20160307111047701)
Corresponding author:Professor DU Yu.E-mail:duyu@szu.edu.cn;Professor PAN Qinhe.E-mail:panqinhe@163.com
Citation:XING Jianbo,CEN Yuan,YIN Xue,et al. Synthesis and sensitivity of ZnO and Au-ZnO hollow microspheres[J]. Journal of Shenzhen University Science and Engineering, 2018, 35(3): 267-272.(in Chinese)
基金项目:国家自然科学基金资助项目(21761010);广东省自然科学基金资助项目(2016A030313059);广东省科技计划资助项目(2017A010101018);深圳市科创委基础研究资助项目(JCYJ20160307111047701)
作者简介:邢建博(1993—),男,海南大学硕士研究生. 研究方向:金属半导体氧化物及其气敏性能的研究.E-mail:xingjianbo1993@163.com
引文:邢建博,岑远,尹雪,等. ZnO及Au-ZnO中空微球的制备及其气敏性研究[J]. 深圳大学学报理工版,2018,35(3):267-272.
更新日期/Last Update: 2018-04-28