ZnO nanoflowers modified with RuO2 for enhancing acetone sensing performance

doi:10.1088/1361-6528/ab5cd9

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	ZnO nanoflowers modified with RuO2 for enhancing acetone sensing performance
	Zhang, Shendan ; Wang, Chenhao ; Qu, Fengdong ; Liu, Siqi ; Lin, Cheng-Te ; Du, Shiyu ; Chen, Yousi ; Meng, Fanli ; Yang, Minghui
刊名	NANOTECHNOLOGY
	2020
卷号	31 期号:11
关键词	FACILE SYNTHESIS TEMPLATED FORMATION SELECTIVE DETECTION HIGH-RESPONSE GAS NANOPARTICLES NANOFIBERS NANOSHEETS NO2 MICROSPHERES
DOI	10.1088/1361-6528/ab5cd9
英文摘要	Surface modification is a simple and effective means to promote the sensing performance of metal oxide semiconductor-based gas sensors. Marigold-shaped ZnO nanoflowers are fabricated via a simple precipitation reaction and subsequently catalytically modified with RuO2 on the surface through an ethylene glycol solvothermal treatment. The experimental results have proven that a very low content of Ru on the surface of ZnO exists in an oxidized state. However, the gas response of the sensor based on RuO2-modified ZnO is remarkably improved by 17 times to 100 ppm acetone with the decrease of optimal operating temperature from 219 degrees C-172 degrees C and reduction in recovery time from 79-52 s. The sensing enhancement mechanism of surface modification can be attributed to the formation of massive small heterostructure between p-type RuO2 ultrasmall nanoparticles and n-type ZnO as well as the catalytic effect of Ru4+ and a rougher surface.
学科主题	Science & Technology - Other Topics ; Materials Science ; Physics
内容类型	期刊论文
源URL	[http://ir.nimte.ac.cn/handle/174433/19881]
专题	2020专题
作者单位	1.Yang, MH (corresponding author), Chinese Acad Sci, Ningbo Inst Mat Technol & Engn, Ningbo 315201, Peoples R China. 2.Yang, MH (corresponding author), Univ Chinese Acad Sci, Ctr Mat Sci & Optoelect Engn, Beijing 100049, Peoples R China. 3.Meng, FL (corresponding author), Northeastern Univ, Coll Informat Sci & Engn, Shenyang 110819, Peoples R China. 4.Qu, FD
推荐引用方式 GB/T 7714	Zhang, Shendan,Wang, Chenhao,Qu, Fengdong,et al. ZnO nanoflowers modified with RuO2 for enhancing acetone sensing performance[J]. NANOTECHNOLOGY,2020,31(11).
APA	Zhang, Shendan.,Wang, Chenhao.,Qu, Fengdong.,Liu, Siqi.,Lin, Cheng-Te.,...&Yang, Minghui.(2020).ZnO nanoflowers modified with RuO2 for enhancing acetone sensing performance.NANOTECHNOLOGY,31(11).
MLA	Zhang, Shendan,et al."ZnO nanoflowers modified with RuO2 for enhancing acetone sensing performance".NANOTECHNOLOGY 31.11(2020).