Rational Design of Circularly Polarized Luminescent Aggregation-Induced Emission Luminogens (AIEgens): Promoting the Dissymmetry Factor and Emission Efficiency Synchronously
Source abstract
Abstract
Development of circularly polarized luminescent (CPL) materials with strong emission and high dissymmetry factor of luminescence (glum) is highly desirable. A series of CPL-active aggregation-induced emission luminogens (AIEgens) have been successfully constructed by incorporating AIEgen dicyanodistyrylbenzene (DCS) into chiral molecule cholesterol. Benefiting from its typical AIE characteristic, DCS allows emission efficiency up to 73.7% in a condensed state. Furthermore, cholesterol units ensure forming chiral liquid crystal in syntax, and increasing the glum value of CPL from 7 × 10–4 for the amorphous state to 1.1 × 10–1 for the liquid crystal state. This approach paves a general avenue for addressing the major defect well: high glum always suffers from suppression of emission efficiency.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Luminescence and Fluorescent Materials · Synthesis and Properties of Aromatic Compounds · Polydiacetylene-based materials and applications
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
School of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen 518060, China
School of Chemical Engineering and Technology, Tianjin University, Tianjin 300350, China
School of Materials Science and Engineering, Shenzhen University, Shenzhen 518060, China
Department of Chemistry, The Hong Kong University of Science & Technology, Clear Water Bay, Hong Kong China
Funding
National Natural Science Foundation of China · Natural Science Foundation of Guangdong Province · Innovation Research Foundation of Shenzhen Municipality
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