Enhanced Dual-Emission Properties of Mn-Doped CsPbCl3/ZIF-8 Nanocomposites for Display

被引：0

作者：

Lai, Niu ^{[1
]}

Liu, Guangsheng ^{[1
]}

Li, Yuewei ^{[2
]}

Yang, Yanqiong ^{[1
]}

He, Maoxin ^{[1
]}

Hou, Shaoqi ^{[2
]}

Langford, Steven J. ^{[2
]}

Liao, Jiayan ^{[2
]}

Yang, Yu ^{[1
]}

Wang, Rongfei ^{[1
]}

机构：

[1] Yunnan Univ, Natl Ctr Int Res Photoelect & Energy Mat, Sch Mat & Energy, Kunming 650091, Peoples R China

[2] Univ Technol Sydney, Sch Math & Phys Sci, Ultimo, NSW 2007, Australia

来源：

ACS APPLIED NANO MATERIALS | 2024年 / 7卷 / 21期

基金：

中国国家自然科学基金; 英国医学研究理事会;

关键词：

Mn-doped quantum dots; dual-emission peaks; CsPbX3/ZIF-8; composite; nanomaterials; fluorescence; ENERGY-TRANSFER; SUBSTITUTION; LUMINESCENCE;

D O I：

10.1021/acsanm.4c04928

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Mn-doped CsPbX3 quantum dots (QDs) are recognized for their dual-emission characteristics and low lead content, making them valuable in display applications. In this study, dual-emission peaks at 406 and 589 nm were achieved in Mn-doped CsPbCl3 QDs through a high-temperature thermal injection method. The 406 nm peak is sourced from the QD host, while the 589 nm peak results from Mn doping. Enhancement of both emission peaks is observed when Mn-doped QDs are integrated with ZIF-8 material via in situ growth, leading to a greater than 3-fold increase in emission intensity. The resulting composite material demonstrates considerable stability, retaining over 40% intensity under UV light, 50% under continuous heating at 100 degrees C, and 44% in air exposure after 25 days. These results highlight the potential of nanomaterials for high-performance optoelectronic devices.

引用

页码：25034 / 25044

页数：11

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