Comprehensive Defect Suppression in Te-Doped Cs2ZrCl6 Perovskite Nanoparticles for Highly Efficient and Thermally Stable White Light-Emitting Diodes (Advanced Optical Materials 26/2024)

IF 8 2区材料科学 Q1 MATERIALS SCIENCE, MULTIDISCIPLINARY Advanced Optical Materials Pub Date : 2024-09-12 DOI:10.1002/adom.202470081

Chaojun Yang, Xiangdan Tian, Guangguang Huang, Xinyang Xiong, Kaiwei Sun, Bo Zhang, Shujie Wang, Zuliang Du

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Abstract

Defect Suppression in Te-Doped Cs₂ZrCl₆ Perovskite Nanoparticles

Lead-free Cs₂ZrCl₆:Te (CZCT) @ alkyl-terminated silica-oligomer (ASO) core/shell perovskite nanoparticles (PNCs) were designed and synthesized with the highest photoluminescence quantum yield (PLQY) of up to 96% and robust thermal tolerance simultaneously. The high PLQY was attributed to the comprehensive defect suppression through crystallization and surface control. The fabricated white light-emitting diodes based on the CZCT@ASO PNCs exhibit a color coordinate of (0.31, 0.33) and a color rendering index of 86. For further details, see article number 2303079 by Guangguang Huang, Shujie Wang, Zuliang Du, and co-workers from Henan University (the Iron Pagoda in the image representing its culture and spirit).

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全面抑制 Te 掺杂 Cs2ZrCl6 包晶石纳米粒子中的缺陷，实现高效、热稳定的白色发光二极管（先进光学材料 26/2024）

无铅 Cs2ZrCl6:Te (CZCT) @ 烷基端硅寡聚体 (ASO) 核/壳包晶纳米颗粒 (PNCs) 的设计与合成具有最高的光致发光量子产率 (PLQY)，高达 96%，并同时具有很强的耐热性。高光量子产率归功于通过结晶和表面控制对缺陷的全面抑制。基于 CZCT@ASO PNC 制成的白光发光二极管的色坐标为（0.31, 0.33），显色指数为 86。更多详情，请参阅河南大学黄光光、王淑杰、杜祖亮及合作者的 2303079 号文章（图片中的铁塔代表了河南大学的文化和精神）。

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来源期刊

Advanced Optical Materials MATERIALS SCIENCE, MULTIDISCIPLINARY-OPTICS

CiteScore

13.70

自引率

6.70%

发文量

883

审稿时长

1.5 months

期刊介绍： Advanced Optical Materials, part of the esteemed Advanced portfolio, is a unique materials science journal concentrating on all facets of light-matter interactions. For over a decade, it has been the preferred optical materials journal for significant discoveries in photonics, plasmonics, metamaterials, and more. The Advanced portfolio from Wiley is a collection of globally respected, high-impact journals that disseminate the best science from established and emerging researchers, aiding them in fulfilling their mission and amplifying the reach of their scientific discoveries.