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Melt-Processable Zero-Dimensional Mn Hybrid Metal Halides
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DOI：10.1021/acs.inorgchem.5c05765.png)
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Abstract
En 中文
Leveraging phase transitions in hybrid metal halides offers broad opportunities for creating programmable, dynamic materials. Here, we report a new family of meltable zero-dimensional Mn2+ hybrid metal halides containing oligo-ethylene glycolammonium cations that exhibit bright green emission and exceptionally low melting points near 55 °C. By varying the length of oligo-ethylene glycol ammonium cations, we tune thermodynamic and optoelectronic properties, linking molecular design with phase stability and optoelectronic properties. Temperature-dependent X-ray diffraction and photoluminescence measurements show that melting leads to a substantial reduction of emission in the molten phase. These results establish oligo-ethylene glycol ammonium cations as an effective strategy for engineering low-melting-point, phase-reconfigurable hybrid metal halides. More broadly, this work demonstrates a pathway toward melt-processable and thermally responsive hybrid semiconductors, with potential applications in sustainable materials processing and adaptive optoelectronic technologies.
Keywords:
Cations
Halogens
Perovskites
Phase transitions
Thermodynamic properties
Journal
IF:
4.7
Papers:
4.9W
Citations:
10.5W
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Cited Papers