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Thin Film Assembly of Gold Nanoparticles for Vapor Sensing via Droplet Interfacial Reaction
Alternative TitleThin Film Assembly of Gold Nanoparticles for Vapor Sensing via Droplet Interfacial Reaction
Luo Kun1; Huang Tao1; Luo Yujia2; Wang Haiming1; Sang Chao1; Li Xiaogang1
2013
Source PublicationJOURNAL OF MATERIALS SCIENCE & TECHNOLOGY
ISSN1005-0302
Volume29Issue:5Pages:401-405
AbstractA facile approach to prepare a thin film vapor sensor is demonstrated through droplet interfacial reaction on an IDA microelectrode. Scanning electron microscopy, atomic force microscopy and transmission electron microscopy analyses show that the film of the vapor sensor is composed of self-assembled gold nanocrystals in an average diameter of about 4.3 nm. The as-prepared sensor was examined by potential step method and impedance measurement, which exhibited significant DR/Ri responses and excellent cycle performance to the volatile organic compound (VOC) vapors of acetone, methanol, styrene, benzene, toluene and ethanol. The selectivity to the VOCs with benzene ring or organic solvents suggests that the sensor is probably in line with the swelling and dielectric sensing mechanisms.
Other AbstractA facile approach to prepare a thin film vapor sensor is demonstrated through droplet interfacial reaction on an IDA microelectrode. Scanning electron microscopy, atomic force microscopy and transmission electron microscopy analyses show that the film of the vapor sensor is composed of self-assembled gold nanocrystals in an average diameter of about 4.3 nm. The as-prepared sensor was examined by potential step method and impedance measurement, which exhibited significant ?R/R_i responses and excellent cycle performance to the volatile organic compound (VOC) vapors of acetone, methanol, styrene, benzene, toluene and ethanol. The selectivity to the VOCs with benzene ring or organic solvents suggests that the sensor is probably in line with the swelling and dielectric sensing mechanisms.
KeywordCHEMIRESISTOR ARRAYS SERS INTERPARTICLE SUBSTRATE FORCES Gold nanoparticle Thin film Self-assembly Droplet interfacial reaction Vapor sensor
Indexed ByCSCD
Language英语
Funding Project[National Natural Science Foundation of China] ; [Guangxi Natural Science Foundation] ; [Scientific Research Foundation for Returned Scholars, Ministry of Education of China]
CSCD IDCSCD:4842566
Citation statistics
Cited Times:1[CSCD]   [CSCD Record]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/142911
Collection中国科学院金属研究所
Affiliation1.上海市地震局
2.中国科学院金属研究所
Recommended Citation
GB/T 7714
Luo Kun,Huang Tao,Luo Yujia,et al. Thin Film Assembly of Gold Nanoparticles for Vapor Sensing via Droplet Interfacial Reaction[J]. JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY,2013,29(5):401-405.
APA Luo Kun,Huang Tao,Luo Yujia,Wang Haiming,Sang Chao,&Li Xiaogang.(2013).Thin Film Assembly of Gold Nanoparticles for Vapor Sensing via Droplet Interfacial Reaction.JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY,29(5),401-405.
MLA Luo Kun,et al."Thin Film Assembly of Gold Nanoparticles for Vapor Sensing via Droplet Interfacial Reaction".JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY 29.5(2013):401-405.
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