Research on the Crystal Growth, Band Structure and Luminescence Mechanism of (CH3NH3)2HgI4
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arXiv
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| Main Authors: | , , , , |
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| Format: | Preprint |
| Published: |
2025
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| _version_ | 1866910910496374784 |
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| author | Liu, Linlin Chen, Zuanquan Yang, Wensi Zhang, Sen Zhu, Jiaqi |
| author_facet | Liu, Linlin Chen, Zuanquan Yang, Wensi Zhang, Sen Zhu, Jiaqi |
| contents | Nuclear radiation detectors play a crucial role in fields such as nuclear safety and medical imaging. The core of their performance lies in the selection of detection materials. Semiconductor detectors have become a hot topic in current research due to their advantages such as small size, good energy resolution, and high detection efficiency. As one of the most promising materials for fabricating room - temperature nuclear radiation semiconductor detectors, HgI2 exhibits excellent detection performance due to its high atomic number, large band gap, strong ray - stopping power, and high volume dark resistivity. However, issues such as poor chemical stability and low vacancy mobility of HgI2 limit its development. Therefore, researchers have carried out inorganic doping/organic hybridization on it. By introducing the organic ligand CH3NH3I, the synthesis of organic - inorganic hybrid compounds based on HgI2 is expected to significantly improve the stability of HgI2. Research on organic - inorganic hybrid metal halide crystals shows that this material has great application potential in the field of luminescent materials. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2504_09150 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Research on the Crystal Growth, Band Structure and Luminescence Mechanism of (CH3NH3)2HgI4 Liu, Linlin Chen, Zuanquan Yang, Wensi Zhang, Sen Zhu, Jiaqi Materials Science Nuclear radiation detectors play a crucial role in fields such as nuclear safety and medical imaging. The core of their performance lies in the selection of detection materials. Semiconductor detectors have become a hot topic in current research due to their advantages such as small size, good energy resolution, and high detection efficiency. As one of the most promising materials for fabricating room - temperature nuclear radiation semiconductor detectors, HgI2 exhibits excellent detection performance due to its high atomic number, large band gap, strong ray - stopping power, and high volume dark resistivity. However, issues such as poor chemical stability and low vacancy mobility of HgI2 limit its development. Therefore, researchers have carried out inorganic doping/organic hybridization on it. By introducing the organic ligand CH3NH3I, the synthesis of organic - inorganic hybrid compounds based on HgI2 is expected to significantly improve the stability of HgI2. Research on organic - inorganic hybrid metal halide crystals shows that this material has great application potential in the field of luminescent materials. |
| title | Research on the Crystal Growth, Band Structure and Luminescence Mechanism of (CH3NH3)2HgI4 |
| topic | Materials Science |
| url | https://arxiv.org/abs/2504.09150 |