Improved Crystallization and Optical Performance of Mixed Ruddlesden-Popper Perovskite

被引：0

作者：

Suo, Jiaying ^{[1
,2
]}

Gao, Wanxiao ^{[1
,2
]}

Bai, Xinyao ^{[1
,2
]}

Du, Ruonan ^{[1
,2
]}

Bai, Zhenxu ^{[1
,2
]}

Qi, Yaoyao ^{[1
,2
]}

Yan, Bingzheng ^{[1
,2
]}

Li, Xin ^{[3
]}

Ding, Jie ^{[1
,2
]}

机构：

[1] Hebei Univ Technol, Ctr Adv Laser Technol, Tianjin 300130, Peoples R China

[2] Hebei Key Lab Adv Laser Technol & Equipment, Tianjin 300401, Peoples R China

[3] Acad Mil Sci, Acad Mil Med Sci, Beijing 100039, Peoples R China

来源：

IEEE PHOTONICS TECHNOLOGY LETTERS | 2025年 / 37卷 / 05期

基金：

中国国家自然科学基金;

关键词：

Perovskites; Stability analysis; Photodetectors; Crystals; Photonic band gap; Effective mass; Charge carrier processes; Thermal stability; Lead; Lattices; Ruddlesden-Popper perovskites; cation substitution; photodetectors; density functional theory;

D O I：

10.1109/LPT.2025.3541314

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Ruddlesden-Popper perovskites have recently been a hot topic due to their high stability and excellent optoelectronic performances. Different cation substitution endows the structures with other properties. Here, an in-depth theoretical model has been proposed to analyze the effect of cation amount on electronic structure. Accordingly, a series of quasi-two-dimensional lead halide perovskite single crystals have been prepared by combining vapor and solution methods at room temperature. The effect of cations on optoelectronic devices was studied by analyzing the photocurrent of the photodetectors. The results show that the addition of cationic methylamine can result in devices with superior performance. These results enhance our understanding of the regulation of cations in materials and contribute to the fabrication of optoelectronic devices with better performance.

引用

页码：297 / 300

页数：4

共 21 条

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