Solution processed Mn2+doped Cs2AgInCl6 lead free double perovskite as a potential light emitting material

被引：5

作者：

Jeevaraj, M. ^{[1
]}

Sudhahar, S. ^{[2
]}

Nallamuthu, N. ^{[1
]}

Devendran, P. ^{[1
]}

Saravanakumar, S. ^{[1
]}

Sivaganesh, D. ^{[1
]}

Kumar, M. Krishna ^{[1
,3
]}

机构：

[1] Kalasalingam Acad Res & Educ Deemed Univ, Int Res Ctr, Dept Phys, Krishnankoil 626126, India

[2] Alagappa Univ, Dept Phys, Karaikkudi 630003, India

[3] Kalasalingam Acad Res & Educ Deemed Univ, Dept Phys, Krishnankoil 626126, India

来源：

PHYSICA B-CONDENSED MATTER | 2023年 / 653卷

关键词：

Double perovskite; Cyan emission; Lead free; Chemical reflux method; Bandgap engineering; Photoluminescence; HALIDE DOUBLE PEROVSKITE; BAND; EMISSION;

D O I：

10.1016/j.physb.2023.414679

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

Halide double perovskites sans lead with robust stability have found their niche as active materials in optoelectronic devices. In this work, we report the successful doping of Mn2+ into Cs2AgInCl6 using chemical reflux approach. X-ray diffraction and Raman spectroscopy are used to investigate the structural changes introduced due to doping. Scanning electron microscopic images reveal the morphologies of the Mn2+doped Cs2AgInCl6. Xray photoelectron spectroscopy establishes the presence of Mn2+ in the compounds. Incorporating Mn2+ ions break the parity forbidden transitions in Cs2AgInCl6 and prompted luminescence in the visible at 616 nm corresponding to 4T2 to 6A1transitions.This work reiterates the potential of lead-free double perovskites as non-toxic alternatives for lead halide perovskites.

引用

页数：9

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