Triple-Mode Emission of Carbon Dots: Applications for Advanced Anti-Counterfeiting

被引：685
|
作者：
Jiang, Kai [1 ,2 ]
Zhang, Ling [1 ]
Lu, Junfeng [3 ]
Xu, Chunxiang [3 ]
Cai, Congzhong [2 ]
Lin, Hengwei [1 ]
机构：
[1] Chinese Acad Sci, NIMTE, Key Lab Addit Mfg Mat Zhejiang Prov, Ningbo 315201, Zhejiang, Peoples R China
[2] Chongqing Univ, Dept Appl Phys, Chongqing 401331, Peoples R China
[3] Southeast Univ, Sch Elect Sci & Engn, State Key Lab Bioelect, Nanjing 210096, Jiangsu, Peoples R China
来源：
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION | 2016年 / 55卷 / 25期
关键词：
anti-counterfeiting; carbon dots; room temperature phosphorescence; triple-mode emission; up-conversion photoluminescence; ROOM-TEMPERATURE PHOSPHORESCENCE; GRAPHENE QUANTUM DOTS; UP-CONVERSION; ULTRASONIC PREPARATION; SECURITY INK; LUMINESCENCE; NANODOTS; NANOCRYSTALS; FLUORESCENCE; POLYMER;
D O I：
10.1002/anie.201602445
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Photoluminescence (PL), up-conversion PL (UCPL), and phosphorescence are three kinds of phenomena common to light-emitting materials, but it is very difficult to observe all of them simultaneously when they are derived from a single material at room temperature. For the first time, triple-mode emission (that is, PL, UCPL, and room temperature phosphorescence (RTP)) is reported, which relies on a composite of the luminescent carbon dots (CDs) prepared from m-phenylenediamine and poly(vinyl alcohol) (PVA). Moreover, the CDs-PVA aqueous dispersion is nearly colorless and demonstrates promise as a triple-mode emission ink in the field of advanced anti-counterfeiting.
引用
收藏
页码：7231 / 7235
页数：5
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