A multi-source excitable perovskite single crystal-based solid-state near-infrared light source, a preparation method and application thereof
By coupling Cr3+-doped Cs2NaYbCl6 perovskite single crystal material with a broad-spectrum excitation light source device, the environmental protection, stability and thermal management issues of near-infrared light sources have been solved, realizing efficient near-infrared light output from multiple sources, simplifying the device structure and improving the practicality and industrialization potential of the light source.
CN122408008APending Publication Date: 2026-07-17TIANFU JIANGXI LAB
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Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- TIANFU JIANGXI LAB
- Filing Date
- 2026-03-06
- Publication Date
- 2026-07-17
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Figure CN122408008A_ABST
Abstract
本发明涉及近红外光源技术领域，具体涉及一种可多源激发的钙钛矿单晶基固态近红外光源及制备方法与应用，其技术要点是：包括Cr3+掺杂Cs2NaYbCl6的钙钛矿单晶材料与广谱激发光源器件，广谱激发光源器件能够发出紫外光的波长为330nm、可见光的波长为550nm、近红外光的波长为765nm；钙钛矿单晶材料能够被广谱激发光源器件发出的光源激发，产生中心波长为995nm的近红外发射光，钙钛矿单晶材料中Cr3+的掺杂摩尔百分比为0.01~0.15；实现了无铅环保、三源广谱激发、高效稳定发光的技术效果，同时简化了器件结构、优化了热管理，显著提升了近红外光源的实用性与产业化潜力。
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