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
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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