High Sensitivity Gas Detection Using a Macroscopic Three-Dimensional Graphene Foam Network

doi:10.1038/srep00166

CORC > 金属研究所 > 中国科学院金属研究所

	High Sensitivity Gas Detection Using a Macroscopic Three-Dimensional Graphene Foam Network
	Yavari, Fazel 1; Chen, Zongping 2; Thomas, Abhay V.1; Ren, Wencai 2; Cheng, Hui-Ming 2; Koratkar, Nikhil 1,3
刊名	SCIENTIFIC REPORTS
	2011-11-23
卷号	1 页码:5
ISSN号	2045-2322
DOI	10.1038/srep00166
通讯作者	Cheng, Hui-Ming(cheng@imr.ac.cn)
英文摘要	Nanostructures are known to be exquisitely sensitive to the chemical environment and offer ultra-high sensitivity for gas-sensing. However, the fabrication and operation of devices that use individual nanostructures for sensing is complex, expensive and suffers from poor reliability due to contamination and large variability from sample-to-sample. By contrast, conventional solid-state and conducting-polymer sensors offer excellent reliability but suffer from reduced sensitivity at room-temperature. Here we report a macro graphene foam-like three-dimensional network which combines the best of both worlds. The walls of the foam are comprised of few-layer graphene sheets resulting in high sensitivity; we demonstrate parts-per-million level detection of NH3 and NO2 in air at room-temperature. Further, the foam is a mechanically robust and flexible macro-scale network that is easy to contact (without Lithography) and can rival the durability and affordability of traditional sensors. Moreover, Joule-heating expels chemisorbed molecules from the foam's surface leading to fully-reversible and low-power operation.
资助项目	Advanced Energy Consortium (AEC) ; National Science Foundation of China[50921004] ; National Science Foundation of China[50872136] ; National Science Foundation of China[50972147] ; Chinese Academy of Sciences[KJCX2-YW-231]
WOS研究方向	Science & Technology - Other Topics
语种	英语
出版者	NATURE PUBLISHING GROUP
WOS记录号	WOS:000300560100001
资助机构	Advanced Energy Consortium (AEC) ; National Science Foundation of China ; Chinese Academy of Sciences
内容类型	期刊论文
源URL	[http://ir.imr.ac.cn/handle/321006/106327]
专题	金属研究所_中国科学院金属研究所
通讯作者	Cheng, Hui-Ming
作者单位	1.Rensselaer Polytech Inst, Dept Mech Aerosp & Nucl Engn, Troy, NY 12180 USA 2.Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110016, Peoples R China 3.Rensselaer Polytech Inst, Dept Mat Sci & Engn, Troy, NY 12180 USA
推荐引用方式 GB/T 7714	Yavari, Fazel,Chen, Zongping,Thomas, Abhay V.,et al. High Sensitivity Gas Detection Using a Macroscopic Three-Dimensional Graphene Foam Network[J]. SCIENTIFIC REPORTS,2011,1:5.
APA	Yavari, Fazel,Chen, Zongping,Thomas, Abhay V.,Ren, Wencai,Cheng, Hui-Ming,&Koratkar, Nikhil.(2011).High Sensitivity Gas Detection Using a Macroscopic Three-Dimensional Graphene Foam Network.SCIENTIFIC REPORTS,1,5.
MLA	Yavari, Fazel,et al."High Sensitivity Gas Detection Using a Macroscopic Three-Dimensional Graphene Foam Network".SCIENTIFIC REPORTS 1(2011):5.