Unveiling the luminescence property of Li2MgGeO4:Mn4+ featuring the tetrahedral crystallographic-site occupancy of Mn4+-Reference-Cited by-同舟云学术

Unveiling the luminescence property of Li₂MgGeO₄:Mn⁴⁺ featuring the tetrahedral crystallographic-site occupancy of Mn⁴⁺

Published:2024 Issue:24 Volume:53 Page:10168-10177
ISSN:1477-9226
Container-title:Dalton Transactions
language:en
Short-container-title:Dalton Trans.

Author:

Zhang Mingshun¹,Sun Anqi²,Li Xiaoniu²,Sun Shijie¹,Ding Wei²,Fang Dong¹,Mi Baoxiu¹^ORCID,Gao Zhiqiang²

Affiliation:

1. State Key Laboratory for Organic Electronics and Information Displays, Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), Institute of Advanced Materials (IAM), Nanjing University of Posts & Telecommunications, Wenyuan Road, No. 9, Nanjing 210023, P. R. China

2. Jiangsu Engineering Centre for Plate Displays & Solid-State Lighting, School of Material Science and Engineering, Nanjing University of Posts & Telecommunications, Wenyuan Road, No. 9, Nanjing 210023, P. R. China

Abstract

When excessive MgO is added, phosphors with Mn4+ activators under the [GeO4] tetrahedron of Li2MgGeO4 achieve enhanced red emissions and better thermal stability. The luminescence mechanism is studied using the Tanabe–Sugano energy diagram.

Funder

Jiangsu National Synergistic Innovation Center for Advanced Materials

Synergetic Innovation Center for Organic Electronics and Information Displays

Priority Academic Program Development of Jiangsu Higher Education Institutions

Publisher

Royal Society of Chemistry (RSC)

Link

http://pubs.rsc.org/en/content/articlepdf/2024/DT/D4DT00863D

Reference58 articles.

1. CaMg2Al16O27:Mn4+-based Red Phosphor: A Potential Color Converter for High-Powered Warm W-LED

2. Non-Rare-Earth BaMgAl10–2xO17:xMn4+,xMg2+: A Narrow-Band Red Phosphor for Use as a High-Power Warm w-LED

3. Cation Substitution Induced Adjustment on Lattice Structure and Photoluminescence Properties of Mg 14 Ge 5 O 24 :Mn 4+ : Optimized Emission for w‐LED and Thermometry Applications

4. Transition metal ion co-doped MgO–MgF2-GeO2:Mn4+ red phosphors for white LEDs with wider color reproduction gamut

5. LED-pumped intense red luminescence based on Ba2LaTaO6: Mn4+ double perovskite phosphor