Journal
CHEMISTRY-AN ASIAN JOURNAL
Volume 17, Issue 21, Pages -Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/asia.202200791
Keywords
dielectric; crystal structure; organic-Inorganic hybrid; phase transition and photoluminescence
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Funding
- Southeast University
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This study presents a halogen regulation design of organic molecular strategy to enhance the multifunctional properties of organic-inorganic hybrid phase transition materials. The results show improved SHG response and dielectric phase transition temperature, as well as efficient green light emission under UV irradiation. This work is significant for exploring multifunctional molecular switch materials through halogen modification strategies.
Organic-inorganic hybrid phase transition materials with switchable properties have important potential applications in smart devices such as dielectric switches and storage. Nevertheless, it remains challenging to modify molecular structures efficiently to obtain materials simultaneously possessing multiple responsive properties. Herein, different from ordinary halogen substitutions in Metal Halide, we report a halogen regulation design of organic molecular strategy: (ASD)(2)MnBr4 (ASD=5-azonia-spiro [4.5] decane) to (CASD)(2)MnBr4 (CASD=8-chloro-5-azonia-spiro [4.5] decane). After organic molecular halogen regulation, the SHG response was excited and the dielectric phase transition temperature (T-c) has also been greatly improved. Furthermore, under the irradiation of UV lamp, both showed green light with quantum yields above 50%. This work is of great significance for further exploration of multifunctional molecular switch materials through halogen modification strategies.
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