A facile method for synthesis of well-coated ZnO@graphene core/shell structure by self-assembly of amine-functionalized ZnO and graphene oxide

被引：6
|
作者：
Zhang, Yunlong [1 ,3 ]
Song, Lixin [1 ]
Zhang, Yuzhi [1 ]
Wang, Panpan [1 ,3 ]
Liu, Yangqiao [2 ]
Wu, Lingnan [1 ]
Zhang, Tao [1 ]
机构：
[1] Chinese Acad Sci, Shanghai Inst Ceram, Key Lab Inorgan Coating Mat, 1295 Dingxi Rd, Shanghai 200050, Peoples R China
[2] Chinese Acad Sci, Shanghai Inst Ceram, State Key Lab High Performance Ceram & Superfine, 1295 Dingxi Rd, Shanghai 200050, Peoples R China
[3] Univ Chinese Acad Sci, Beijing 100049, Peoples R China
来源：
CHEMICAL PHYSICS LETTERS | 2016年 / 654卷
关键词：
QUANTUM DOTS; PHOTOCATALYTIC PERFORMANCE; SHELL; CORE; PHOTOLUMINESCENCE; PHOTODEGRADATION; NANOPARTICLES; HYBRID; NANOCOMPOSITE; NANORODS;
D O I：
10.1016/j.cplett.2016.05.023
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：
The core/shell structure was formed by GO self-assembled with amine-functionalized commercial ZnO (CZO) and preparative hexagonal ZnO (HZO), respectively. Graphene-coated CZO and HZO were obtained after being reduced in Ar at 500 degrees C. The mechanism of the coating procedure was investigated by measuring their respective zeta potential values. Our characterizations demonstrate that graphene on HZO has better quality and fewer layers. An obvious band gap decrease of ZnO was observed for coating with graphene. Photoluminescence spectra of ZnO@graphene core/shell composites display the fluorescence quenching property, which indicates its good application prospect in optoelectronics, photocatalytic and other fields. (C) 2016 Elsevier B.V. All rights reserved.
引用
收藏
页码：107 / 113
页数：7
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