石墨状离子型Ni-MOF材料及其制法与在制备LED中的应用

By preparing graphitic ionic Ni-MOF materials, the shortcomings of rare-earth fluorescent materials in existing green LEDs have been solved, realizing the application of high-efficiency green fluorescent emission and yellow-green LEDs, which has good application prospects.

CN117050325BActive Publication Date: 2026-07-17CHONGQING NORMAL UNIVERSITY
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
CHONGQING NORMAL UNIVERSITY
Filing Date
2023-07-26
Publication Date
2026-07-17

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Abstract

本发明提供了一种石墨状离子型Ni‑MOF材料，其化学通式为{[Ni3(SO4)(tpt)2(H2O)11](SO4)2(H2O)4}n，属于三斜晶系，空间群为Pī，晶胞参数所述化学通式中，组分tpt结构如式I所示，本发明制备的石墨状离子型Ni‑MOF材料，是一种离子型晶态聚合材料，其晶体结构中波浪一样的3‑链接阳离子聚合层[Ni3(SO4)(tpt)2(H2O)11]n4n+通过三重互补叠加，形成了阳离子型三维多孔MOF骨架；阳离子聚合层的波峰和波谷之间距离约为类似石墨烯层层叠加形成石墨。丰富的O‑H···O构筑了稀有的三维无机超分子网络结构。该离子型Ni‑MOF材料在紫外或紫光激发下发射绿色荧光，具有良好的下转光性能，封装的LED器件发出色纯度较高的黄绿光。本发明新材料在LED发光器件、复合荧光材料等方面有潜在的应用前景。
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