Noncovalent modified graphene sheets with ruthenium(II) complexes used as electrochemiluminescent materials and photosensors

被引：41
作者：
Li, Shuwen [1 ]
Zhong, Xing [1 ]
Yang, Honglei [1 ]
Hu, Yuya [1 ]
Zhang, Fengwei [1 ]
Niu, Zhiyong [1 ]
Hu, Wuquan [1 ]
Dong, Zhengping [1 ]
Jin, Jun [1 ]
Li, Rong [1 ]
Ma, Jiantai [1 ]
机构：
[1] Lanzhou Univ, Coll Chem & Chem Engn, Lanzhou 730000, Peoples R China
来源：
CARBON | 2011年 / 49卷 / 13期
关键词：
ELECTROGENERATED CHEMILUMINESCENCE; OXIDE-FILMS; HYBRID MATERIAL;
D O I：
10.1016/j.carbon.2011.05.058
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：
Bi(2,2'-bipyridyl)-pyrene derivative functionalized ruthenium(II) complexes anchored on graphene sheets (B-Ru-P/GS nanohybrid) by pi-pi interaction were fabricated. The formation of the nanohybrid was verified by atomic force microscopy, fluorescence spectra and Raman spectroscopy. An obvious and stable electrochemiluminescence of the B-Ru-P/GS nanohybrid at the electrode was revealed. A typical photoelectrical response on the on/off light illumination was observed in a photoelectrochemical cell. The photocurrent of the B-Ru-P/GS nanohybrid was remarkable higher than that of Ru(II) complexes. Therefore, the B-Ru-P/GS nanohybrid is believed to have the potential use as for solid sensors, light emitting diodes and optoelectronic devices. (C) 2011 Elsevier Ltd. All rights reserved.
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收藏
页码：4239 / 4245
页数：7
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