Details

Autor(en) / Beteiligte

• Xu, Shidang
• Liu, Tingting
• Mu, Yingxiao
• Wang, Yi-Fan
• Chi, Zhenguo
• Lo, Chang-Cheng
• Liu, Siwei
• Zhang, Yi
• Lien, Alan
• Xu, Jiarui

Titel

An Organic Molecule with Asymmetric Structure Exhibiting Aggregation-Induced Emission, Delayed Fluorescence, and Mechanoluminescence

Ist Teil von

• Angewandte Chemie (International ed.), 2015-01, Vol.54 (3), p.874-878

Auflage

International ed. in English

Ort / Verlag

Weinheim: WILEY-VCH Verlag

Erscheinungsjahr

2015

Link zum Volltext

Quelle

Alma/SFX Local Collection

Beschreibungen/Notizen

• Compounds displaying delayed fluorescence (DF), from severe concentration quenching, have limited applications as nondoped organic light‐emitting diodes and material sciences. As a nondoped fluorescent emitter, aggregation‐induced emission (AIE) materials show high emission efficiency in their aggregated states. Reported herein is an AIE‐active, DF compound in which the molecular interaction is modulated, thereby promoting triplet harvesting in the solid state with a high photoluminescence quantum yield of 93.3 %, which is the highest quantum yield, to the best of our knowledge, for long‐lifetime emitters. Simultaneously, the compound with asymmetric molecular structure exhibited strong mechanoluminescence (ML) without pretreatment in the solid state, thus exploiting a design and synthetic strategy to integrate the features of DF, AIE, and ML into one compound. In a “scense”: A novel compound having an asymmetric structure exhibited aggregation‐induced emission, delayed fluorescence, and mechanoluminescence simultaneously.