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Issue 10, 2013
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Controllable synthesis of silver nanoparticle-decorated reduced graphene oxide hybrids for ammonia detection

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Abstract

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.

Graphical abstract: Controllable synthesis of silver nanoparticle-decorated reduced graphene oxide hybrids for ammonia detection

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Publication details

The article was received on 28 Dec 2012, accepted on 07 Mar 2013 and first published on 07 Mar 2013


Article type: Paper
DOI: 10.1039/C3AN36922F
Citation: Analyst, 2013,138, 2877-2882
  • Open access: Creative Commons BY-NC license
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    Controllable synthesis of silver nanoparticle-decorated reduced graphene oxide hybrids for ammonia detection

    S. Cui, S. Mao, Z. Wen, J. Chang, Y. Zhang and J. Chen, Analyst, 2013, 138, 2877
    DOI: 10.1039/C3AN36922F

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