Photoluminescence Properties and Photocatalytic Performance of Different Size ZnO Nanoparticles Decorated Graphene Oxide

被引：17
|
作者：
Doan Van Thuan [1 ,2 ]
Nguyen Tri Khoa [1 ,2 ]
Kim, Soon Wook [1 ,2 ]
Yoo, Dae-Hwang [1 ,2 ]
Kim, Eui Jung [3 ]
Hahn, Sung Hong [1 ,2 ]
机构：
[1] Univ Ulsan, Dept Phys, Ulsan 680749, South Korea
[2] Univ Ulsan, Energy Harvest Storage Res Ctr, Ulsan 680749, South Korea
[3] Univ Ulsan, Sch Chem Engn & Bioengn, Ulsan 680749, South Korea
来源：
JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY | 2015年 / 15卷 / 11期
关键词：
ZnO; Graphene Oxide; Quantum Dots; Photocatalytic; Photoluminescence; VISIBLE PHOTOLUMINESCENCE; NANORODS; LUMINESCENCE; DEGRADATION; ELECTRODES; EFFICIENCY; REDUCTION; COLLOIDS; DEFECTS; GROWTH;
D O I：
10.1166/jnn.2015.11544
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
We synthesized the hybrid structure of the graphene oxide (GO) sheet and the size-controlled ZnO nanoparticles. The ZnO quantum sizes were confirmed from UV-vis spectrophotometry and TEM results. The ZnO quantum dot exhibited a stable broad and strong photoluminescence (PL) emission which is broader with the increase of ZnO nanoparticle size. The hybrid ZnO/G0 results an abrupt decrease of PL emission and the excellent photodegradation performance of methylene blue under UV-light irradiation. A considerable increase of the photodegradation rate with decreasing ZnO nanoparticle size is due to the enhancement of ZnO surface interaction and the improvement of electron transfer at the ZnO/GO interface.
引用
收藏
页码：8896 / 8900
页数：5
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