Donor–Acceptor Type Pendant Conjugated Molecules Based on a Triazine Center with Depressed Intramolecular Charge Transfer Characteristics as Gain Media for Organic Semiconductor Lasers

• Published in: Chemistry : a European journal Vol. 26; no. 14; pp. 3103 - 3112
• Main Authors: Liu, Xu, Sang, Ming, Lin, He, Liu, Chengfang, Zhang, Jialing, Yi, Jianpeng, Gao, Kun, Lai, Wen‐Yong, Huang, Wei
• Format: Journal Article
• Language: English
• Published: WEINHEIM Wiley 09.03.2020; Wiley Subscription Services, Inc
• Subjects: amplified spontaneous emission; Annealing; Capping; Carbazole; Carbazoles; Charge transfer; Chemistry; Chemistry, Multidisciplinary; Electrical properties; Fluorene; Fluorescence; intramolecular charge transfer; Lasers; Optical properties; organic semiconductor lasers; organic semiconductors; pendant conjugated molecules; Physical Sciences; Science & Technology; Semiconductor lasers; Spontaneous emission; Thermal stability; Triazine; organic semiconductors; DESIGN; intramolecular charge transfer; OPTICAL GAIN; amplified spontaneous emission; pendant conjugated molecules; organic semiconductor lasers; ELECTROLUMINESCENCE

A set of fluorene‐capped pendant conjugated molecules (T‐m and T‐p), which consist of a triazine center with three carbazole substituents as the donor–acceptor (D‐A) type pendant structure, were designed, synthesized, and investigated as gain media for organic semiconductor lasers (OSLs). In particu...