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来自发光兰化物分子复合物/添加石墨烯量子点/PMMA复合材料的白光辐射

Uttam Sarkar¹, Sagarika Bhattacharya¹

¹Department of Chemistry, National Institute of Technology Raipur, Chhattisgarh, 492010, India.

Small (Weinheim an der Bergstrasse, Germany)

|May 7, 2025

概括

新的复合薄膜使用胺复合物和石墨烯量子点产生白光. 这一进步为光电子和传感应用提供了透明的,有排放性的材料.

科学领域:

材料科学材料科学材料科学
纳米技术纳米技术
摄影化学的使用.

背景情况:

开发高效的白光发射材料对于光电子应用至关重要.
兰化物复合物和石墨烯量子点 (GQD) 提供独特的发光特性.
挑战包括聚合诱导的火和实现稳定的白光发射.

研究的目的:

制造多色发射的聚甲基甲基酸 (PMMA) 复合膜.
为了实现白光生成,使用发光兰坦化物Schiff-Base复合物和添加的石墨烯量子点 (GQD@Tb).
探索在光电子,显微镜和传感领域的潜在应用.

主要方法:

通过热水方法合成添加的石墨烯量子点 (GQD@Tb).
使用希夫基联体,分离和表征等结构的兰他化物 (III) 复合物 ([DyIII2(L) 2 ((NO3) 2 ((dmf) 2) 和[SmIII2 ((L) 2 ((NO3) 2 ((dmf) 2))).
通过联合使用GQD@Tb和兰坦化物复合物制造PMMA复合膜,然后进行光发光分析.

主要成果:

GQD@Tb显示绿色排放,DyIII L显示蓝色排放,SmIII L显示红色排放.
对PMMA的联合注抑制了聚合诱导的火,增强了发光强度.
在PMMA中将红色-SmIII L和绿色-GQD@Tb结合起来,可以获得明显的白光发射,CIE值为 (0.29,0.32).

结论:

这项研究成功地证明了用于白光生成的新型GQD@Tb和兰坦化物复合物-PMMA复合膜的构建.
开发的材料具有出色的透明度和发光性能,适合先进的光电子应用.
这项工作为未来技术设计高效稳定的白光发射器提供了一个有希望的策略.

关键词:

颜色调调调的颜色调石墨烯的量子点就是石墨烯的量子点兰化物金属复合物化物金属复合物分子/纳米/PMMA复合材料白光发射的白光辐射.

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