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A temperature-triggered triplex bistable switch in a hybrid multifunctional material: [(CH2)4N(CH2)4]2[MnBr4]
Li Xu1, Ji-Xing Gao, Xiao-Gang Chen
1Jiangsu Key Laboratory for Science and Applications of Molecular Ferroelectrics, College of Chemistry and Chemical Engineering, Southeast University, Nanjing 211189, P. R. China. weiqiangliao@seu.edu.cn.
Dalton Transactions (Cambridge, England : 2003)
|November 22, 2018
Summary
Researchers developed a novel triple-functional material, 5-azonia-spiro[4,4]nonane tetrabromomanganese, for advanced flexible electronic devices. This material exhibits switchable optical and dielectric properties, along with green luminescence.
Area of Science:
- Materials Science
- Solid-State Chemistry
- Optoelectronics
Background:
- Bistable optical-electrical duplex switches are key for next-generation flexible devices.
- Controllable photoelectric switchable materials with high-performance dielectric and optical switching are scarce.
- Triplex bistable switches are rarely reported in scientific literature.
Purpose of the Study:
- To synthesize and characterize a novel organic-inorganic material with triple bistable switching capabilities.
- To investigate the material's potential for photoelectric seamless integration and flexible multifunctional devices.
- To explore the dielectric-switching, optical-switching, and luminescence properties of the synthesized compound.
Main Methods:
- Synthesis and single crystal growth of 5-azonia-spiro[4,4]nonane tetrabromomanganese ([ASN]2[MnBr4]).
- Investigation of solid-state phase transition behavior around 327 K.
- Characterization of second harmonic generation (SHG) switching.
- Analysis of luminescence properties, including quantum yield under UV excitation.
Main Results:
- Successful synthesis and crystal growth of the novel triple-functional material [ASN]2[MnBr4].
- Observation of a reversible solid-state phase transition near 327 K.
- Demonstration of recognizable second harmonic generation (SHG) switching between SHG-on and SHG-off states.
- Observation of intense green luminescence with a high quantum yield (13.07%) in bromine-doped crystals.
Conclusions:
- The synthesized [ASN]2[MnBr4] is a promising candidate for optoelectronic triple-functional applications.
- The material's reversible phase transition and switchable optical properties are suitable for intelligent materials.
- The observed luminescence extends its potential use in flexible multifunctional photoelectric devices.
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