Luminescent hybrid materials based on nanodiamonds

被引：21
|
作者：
Zhang, Dongxue [1 ]
Zhao, Qi [1 ]
Zang, Jinhao [1 ]
Lu, Ying-Jie [1 ]
Dong, Lin [1 ]
Shan, Chong-Xin [1 ,2 ]
机构：
[1] Zhengzhou Univ, Sch Phys Engn, Zhengzhou 450052, Henan, Peoples R China
[2] Chinese Acad Sci, Changchun Inst Opt Fine Mech & Phys, State Key Lab Luminescence & Applicat, Changchun 130033, Jilin, Peoples R China
来源：
CARBON | 2018年 / 127卷
基金：
中国博士后科学基金; 美国国家科学基金会;
关键词：
GRAPHENE OXIDE SHEETS; EU3+; NANOPARTICLES; COMPLEXES; SURFACE; PHOTOSTABILITY; SIZE;
D O I：
10.1016/j.carbon.2017.11.009
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：
Luminescent hybrid materials were prepared by covalently functionalizing nanodiamonds (NDs) with rare earth (RE) complexes. Pyromellitic acid (PMA), as the organic sensitizer, was grafted onto amino-terminated NDs to chelate lanthanide ions (Eu3+ and Tb3+). The emission colors of the hybrid composite of ND-PMA-EuxTby can be tuned from red to orange, yellow and green by adjusting the molar ratio of Eu3+ to Tb3+. Moreover, the luminescence of the hybrid composites exhibits remarkable photostability under ultraviolet irradiation for 60 h. As a proof-of-concept experiment, the as-synthesized ND-PMA-Eu and ND-PMA-Tb were employed as the phosphors for red and green light-emitting-diode (LED) devices with ultraviolet (UV) chips. Therefore, the nanodiamond-based luminescent hybrid material may find potential application in optical device. (C) 2017 Elsevier Ltd. All rights reserved.
引用
收藏
页码：170 / 176
页数：7
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