Document Detail


Controllable synthesis of silver nanoparticle-decorated reduced graphene oxide hybrids for ammonia detection.
MedLine Citation:
PMID:  23527378     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
We demonstrate controllable fabrication of Ag nanoparticle (NP)-decorated reduced graphene oxide (RGO/Ag) hybrids and their application for fast and selective detection of ammonia at room temperature. Ag NPs greatly improved the sensitivity of RGO. The response time (6 s) and recovery time (10 s) are comparable with our previous Ag NP-decorated multiwalled carbon nanotube (MWCNT/Ag) NH3 sensors; however, the sensitivity is about twice that of MWCNT/Ag hybrids. We found that the loading density of NPs greatly affects the sensing performance of RGO/Ag hybrids and a proper NP loading leads to maximum sensitivity.
Authors:
Shumao Cui; Shun Mao; Zhenhai Wen; Jingbo Chang; Yang Zhang; Junhong Chen
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2013-3-25
Journal Detail:
Title:  The Analyst     Volume:  -     ISSN:  1364-5528     ISO Abbreviation:  Analyst     Publication Date:  2013 Mar 
Date Detail:
Created Date:  2013-3-25     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0372652     Medline TA:  Analyst     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Affiliation:
Department of Mechanical Engineering, University of Wisconsin-Milwaukee, 3200 N Cramer Street, Milwaukee, WI 53211, USA. jhchen@uwm.edu.
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