Palladium Decorated Graphene-Nanoribbon Network for Enhanced Gas Sensing

被引:7
作者
Kuru, Cihan [1 ]
Choi, Duyoung [1 ]
Choi, Chulmin [1 ]
Kim, Young Jin [1 ]
Jin, Sungho [1 ]
机构
[1] Univ Calif San Diego, La Jolla, CA 92093 USA
关键词
Ammonia Sensing; Graphene Nanoribbon Network; CARBON NANOTUBES; SENSITIVITY; MOLECULES; SENSORS;
D O I
10.1166/jnn.2015.9606
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
The fabrication of large-scale graphene nanoribbon (GNR) network and its application for gas sensing are reported. A large area, nanoscale GNR network was produced by a facile approach of silver nanowires (Ag NWs) templated graphene masking and subsequent O-2 plasma etching. GNR network shows significantly enhanced sensitivity to ammonia gas compared to pristine graphene layer. The gas detection sensitivity of the nanoscale GNR network is even further improved by decorating GNR network with palladium (Pd) or platinum (Pt) nanoparticles, which show a relative resistance response of 65% and 45%, respectively to 50 ppm (parts per million) of ammonia (NH3) in nitrogen (N-2) at room temperature as well as good reversibility in air.
引用
收藏
页码:2464 / 2467
页数:4
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