一种碘离子掺杂的无机钙钛矿晶体材料及其制备方法
By using iodine ion-doped inorganic perovskite crystal materials, large-size CsPb2IxBr5-x crystals were grown using the bottom seed method and solution cooling method, solving the problem of growing all-inorganic perovskite crystals and realizing low-cost fabrication and high stability of optoelectronic devices.
CN120797202BActive Publication Date: 2026-07-17SHANDONG UNIV OF TECH
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- SHANDONG UNIV OF TECH
- Filing Date
- 2025-07-22
- Publication Date
- 2026-07-17
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Figure CN120797202B_ABST
Abstract
本发明公开了一种碘离子掺杂的无机钙钛矿晶体材料及其制备方法，属于光电晶体材料技术领域，碘离子掺杂的无机钙钛矿晶体的化学式为CsPb2IxBr5‑x，其中x为0～0.5。本发明采用上述的一种碘离子掺杂的无机钙钛矿晶体材料及其制备方法，制备得到的晶体具有良好的形貌和较大的尺寸，为近器件尺寸；同时具有较宽的发射带，对波长小于450nm的光表现出较强的吸收性，显色指数为72.7，在光电器件领域具有广泛的应用前景。
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