Multicolor Ultralong Organic Phosphorescence through Alkyl Engineering for 4D Coding Applications

被引：133
|
作者：
Wang, Xuan [1 ,2 ]
Ma, Huili [1 ,2 ]
Gu, Mingxing [1 ,2 ]
Lin, Changqing [1 ,2 ]
Gan, Nan [1 ,2 ]
Xie, Zongliang [3 ]
Wang, He [1 ,2 ]
Bian, Lifang [1 ,2 ]
Fu, Lishun [1 ,2 ]
Cai, Suzhi [1 ,2 ]
Chi, Zhenguo [3 ]
Yao, Wei [1 ,2 ]
An, Zhongfu [1 ,2 ]
Shi, Huifang [1 ,2 ]
Huang, Wei [1 ,2 ,4 ]
机构：
[1] Nanjing Tech Univ NanjingTech, KLOFE, 30 South Puzhu Rd, Nanjing 211816, Jiangsu, Peoples R China
[2] Nanjing Tech Univ NanjingTech, Inst Adv Mat, 30 South Puzhu Rd, Nanjing 211816, Jiangsu, Peoples R China
[3] Sun Yat Sen Univ, Sch Chem & Chem Engn, State Key Lab Optoelect Mat & Technol, PCFM Lab,GDHPPC Lab,KLGHEI Environm & Energy Chem, Guangzhou 510275, Guangdong, Peoples R China
[4] Northwestern Polytech Univ, IFE, 127 West Youyi Rd, Xian 710072, Shaanxi, Peoples R China
来源：
CHEMISTRY OF MATERIALS | 2019年 / 31卷 / 15期
基金：
中国国家自然科学基金;
关键词：
ROOM-TEMPERATURE PHOSPHORESCENCE; EXCITED-STATES; DUAL-EMISSION; PERSISTENT; FLUORESCENCE; ENHANCEMENT; MOLECULES; GUEST;
D O I：
10.1021/acs.chemmater.9b01304
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：
Luminogens with colorful ultralong organic phosphorescence (UOP) are in high demand because of various potential applications in optoelectronics. Herein, we report a concise approach to tune UOP based on the same chromophores of carbazole and phthalimide units through alkyl engineering. With flexible alkyl increase, UOP emission colors can be controllably tuned from green to orange along with lifetime variation. Furthermore, these phosphors were endowed with unexpected visible-light excitation, mechano-chromism, and mechanoluminescence properties simultaneously. Additionally, colorful UOP with diverse emission lifetime was first applied to the 4D code for information encryption. These findings will open a door to explore multifunctional organic phosphorescence materials and expand their potential applications.
引用
收藏
页码：5584 / 5591
页数：8
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