Hybrid graphene-metal nanoparticle systems: electronic properties and gas interaction

被引：87
|
作者：
Tjoa, Verawati [1 ,2 ]
Jun, Wei [2 ]
Dravid, Vinayak [3 ]
Mhaisalkar, Subodh [1 ,4 ]
Mathews, Nripan [1 ]
机构：
[1] Nanyang Technol Univ, Sch Mat Sci & Engn, Singapore 639798, Singapore
[2] Singapore Inst Mfg Technol, Singapore 638075, Singapore
[3] Northwestern Univ, Dept Mat Sci & Engn, Evanston, IL 60208 USA
[4] Nanyang Technol Univ, Energy Res Ctr NTU ERI N, Singapore 637553, Singapore
来源：
JOURNAL OF MATERIALS CHEMISTRY | 2011年 / 21卷 / 39期
关键词：
CARBON NANOTUBE NETWORKS; SINGLE-LAYER; OXIDE; TRANSPARENT; SENSORS; FILMS; GOLD; NO2;
D O I：
10.1039/c1jm12676h
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Electrical properties of reduced graphene oxide (rGO) decorated with gold and silver nanoparticles were studied. Metal nanoparticles p-dope rGO through charge transfer which causes a potential drop at the metal nanoparticle-graphene interface. Probing by reactive gases showed that the nanoparticles provide interaction sites, inducing the sensitivity to H2S and improving the sensitivity to NO2.
引用
收藏
页码：15593 / 15599
页数：7
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