Hydrogen sensing properties of Pt-Au bimetallic nanoparticles loaded on ZnO nanorods

doi:10.1016/j.snb.2016.11.025

ISL OpenIR > 青海盐湖研究所知识仓储

	Hydrogen sensing properties of Pt-Au bimetallic nanoparticles loaded on ZnO nanorods
	Fan, Faying; Zhang, Jiajun; Li, Jiao; Zhang, Na; Hong, RunRun; Deng, Xiaochuan; Tang, Pinggui; Li, Dianqing
第一作者	Fan, Faying
	2017-03-31
发表期刊	SENSORS AND ACTUATORS B-CHEMICAL
ISSN	0925-4005
卷号	241 页码:895-903
关键词	Ptau Bimetallic Nanoparticles H-2 Gas Sensing
摘要	The mono-noble metal nanoparticles are often loaded onto the sensing materials to promote the gas sensing performance of the materils; however, there have been few reports concerning the effect of the multi-metallic nanoparticles on the sensing performance. It is reported that the multi-metallic nanoparticles shows different absorption and catalytic performance from their mono-metal analogues because of the geometric and electronic effect, so it is very necessary to investigate the gas sensing performance of the multi-metallic nanoparticles loaded materials. In this work, the Pt-Au alloying nanoparticles was prepared and supported on the ZnO nanorods, and this hybrid was used as the H-2 sensor for the first time. The sensing testing results indicate that the alloying nanoparticles loaded ZnO exhibits higher sensing response than the mono-metallic nanoparticles loaded ZnO. The Pt-Au bimetallic nanoparticles loaded ZnO shows high sensitivity to ppm-level of hydrogen even at room temperature, and the sensing response of (Pt-Au)-loaded ZnO to 250 ppm of H2 is 157, 47, and 9.6 times higher than that of pure ZnO, Pt-loaded ZnO, and Au-loaded ZnO, respectively. This superior performance of the (Pt-Au)-loaded ZnO to H2 is most probably due to the strong adsorption of H-2 onto the Pt-Au bimetallic nanoparticles caused by the geometric and electronic effects between the two metals. (C) 2016 Elsevier B.V. All rights reserved.
DOI	10.1016/j.snb.2016.11.025
语种	英语
引用统计
文献类型	期刊论文
条目标识符	http://ir.isl.ac.cn/handle/363002/6189
专题	青海盐湖研究所知识仓储盐湖资源综合利用工程技术中心
推荐引用方式 GB/T 7714	Fan, Faying,Zhang, Jiajun,Li, Jiao,et al. Hydrogen sensing properties of Pt-Au bimetallic nanoparticles loaded on ZnO nanorods[J]. SENSORS AND ACTUATORS B-CHEMICAL,2017,241:895-903.
APA	Fan, Faying.,Zhang, Jiajun.,Li, Jiao.,Zhang, Na.,Hong, RunRun.,...&Li, Dianqing.(2017).Hydrogen sensing properties of Pt-Au bimetallic nanoparticles loaded on ZnO nanorods.SENSORS AND ACTUATORS B-CHEMICAL,241,895-903.
MLA	Fan, Faying,et al."Hydrogen sensing properties of Pt-Au bimetallic nanoparticles loaded on ZnO nanorods".SENSORS AND ACTUATORS B-CHEMICAL 241(2017):895-903.