Highly Luminescent Liquid Crystals in Aggregation Based on Platinum(II) Complexes
Source abstract
Abstract
Luminescent liquid crystals (LLCs) attract considerable attention because of their broad applications in displays, chemosensors, and anti-counterfeiting. However, it remains challenging to achieve a high luminescence efficiency in LCs because of the common aggregation-caused quenching effect. Herein, we demonstrate a facile approach to designing LLCs with a high quantum yield up to 88% by deliberately tuning the aggregation behavior of platinum(II) complexes with alkoxy chains (CnH2n+1O−). LLCs in hexagonal columnar and rectangular columnar phases are achieved when n = 12 and 16, respectively, as revealed by one-dimensional wide-angle X-ray diffraction and small-angle X-ray scattering. These LLCs are able to not only exhibit strong emission at elevated temperatures but also show attractive reversible vapochromism upon alternative CH2Cl2 and EtOH fuming, which imparts added functions and promises technological utility.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Luminescence and Fluorescent Materials · Liquid Crystal Research Advancements · Porphyrin and Phthalocyanine Chemistry
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Key Lab for Material Chemistry of Energy Conversion and Storage, Ministry of Education, and National Anti-Counterfeit Engineering Research Center, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Wuhan 430074, China
State Key Laboratory of Materials Processing and Die & Mould Technology, School of Materials Science and Engineering, Huazhong University of Science and Technology, Wuhan 430074, China
Department of Physics and Materials Science and Engineering Program, University of Colorado at Boulder, Boulder, Colorado 80309, United States
Funding
Huazhong University of Science and Technology · National Natural Science Foundation of China
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