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Synthesis of a Thiol Building Block for the Crystallization of a Semiconducting Gyroidal Metal-sulfur Framework
Published on: April 9, 2018
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Hydrazine-solvothermal methods to synthesize polymeric thioarsenates from one-dimensional chains to a
Jingyu Han1, Shufen Li1, Chunying Tang2
1College of Chemistry, Chemical Engineering and Materials Science, Soochow University No. 199 Renai Road Suzhou 215123 P. R. China jiadingxian@suda.edu.cn.
RSC Advances
|May 13, 2022
Summary
This study synthesized novel polymeric manganese(ii)-thioarsenates using a hydrazine-solvothermal method. These materials exhibit tunable semiconducting band gaps and varied magnetic coupling interactions.
Area of Science:
- Inorganic Chemistry
- Materials Science
- Solid-State Chemistry
Background:
- Manganese(ii)-thioarsenates are an emerging class of materials with potential applications in electronics and magnetism.
- Understanding the synthesis and properties of these compounds is crucial for developing new functional materials.
Purpose of the Study:
- To synthesize and characterize a series of novel polymeric manganese(ii)-thioarsenates.
- To investigate the structural diversity and coordination modes of thioarsenate units (AsS3 and AsS4) with Mn(ii) ions.
- To explore the semiconducting and magnetic properties of the synthesized compounds.
Main Methods:
- Hydrazine-solvothermal synthesis method was employed for the preparation of six distinct Mn(ii)-thioarsenate compounds.
- Structural characterization was performed to determine the coordination modes and dimensionality (1-D, 2-D, 3-D) of the resulting moieties.
- Semiconducting band gaps and magnetic coupling interactions were measured.
Main Results:
- Six polymeric Mn(ii)-thioarsenate compounds (1-6) were successfully synthesized.
- Variable coordination modes of AsS3 and AsS4 units led to diverse structures including clusters, chains, and layers.
- Compounds exhibited tunable semiconducting band gaps in the range of 2.19–2.47 eV.
- Compound 1 showed stronger antiferromagnetic coupling compared to compound 2.
Conclusions:
- The hydrazine-solvothermal method is effective for synthesizing diverse Mn(ii)-thioarsenate structures.
- The synthesized materials possess tunable semiconducting properties, indicating potential for electronic applications.
- The observed differences in magnetic coupling highlight the influence of structural variations on magnetic behavior.
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