Long-Persistent Circularly Polarized Phosphorescence from Chiral Organic Ionic Crystals

被引：93
作者：
Chen, Wenjie [1 ,2 ,4 ]
Tian, Zimin [3 ]
Li, Yuangang [3 ]
Jiang, Yuqian [2 ]
Liu, Minghua [1 ,2 ,4 ]
Duan, Pengfei [2 ,4 ]
机构：
[1] Chinese Acad Sci, Inst Chem, Beijing Natl Lab Mol Sci, CAS Key Lab Colloid Interface & Chem Thermodynam, 2 ZhongGuanCun BeiYiJie, Beijing 100190, Peoples R China
[2] Natl Ctr Nanosci & Technol NCNST, CAS Key Lab Nanosyst & Hierarch Fabricat, CAS Ctr Excellence Nanosci, Div Nanophoton, 11 ZhongGuanCun BeiYiTiao, Beijing 100190, Peoples R China
[3] Xian Univ Sci & Technol, Coll Chem & Chem Engn, 58 Yanta Rd, Xian 710054, Shaanxi, Peoples R China
[4] Univ Chinese Acad Sci, Beijing 100049, Peoples R China
来源：
CHEMISTRY-A EUROPEAN JOURNAL | 2018年 / 24卷 / 66期
基金：
中国国家自然科学基金;
关键词：
chirality; circularly polarized luminescence; fluorescence; long persistent phosphorescence; organic ionic crystals; photochemistry; ROOM-TEMPERATURE PHOSPHORESCENCE; ACHIEVING PERSISTENT; MOLECULAR DESIGN; LUMINESCENCE; EMISSION; ELECTROLUMINESCENCE; AMPLIFICATION; COMPLEXES; POLYMERS;
D O I：
10.1002/chem.201804342
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Long-persistent circularly polarized phosphorescence (LPCPP) is achieved for the first time in chiral organic ionic crystals at room temperature. The co-crystal composed of terephtalic acid (TPA) and chiral a-phenylethyamines (PEAs) gave rise to LPCPP with lifetimes up to 862 ms and large dissymmetric factor (g(lum)). The hybridization of TPA with chiral PEAs allows circular polarization of the generated long-persistent phosphorescence. The observed mirror-image twisted molecular structures in the rigid lattices were responsible for the chiroptical activation of the generated long-persistent phosphorescence.
引用
收藏
页码：17444 / 17448
页数：5
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