DataVXThe Journal of Physical Chemistry LettersPaper
journal article·2025-03-06

Efficient Lead-Free Double Perovskite Phosphors Enabled by Sb3+ and Gd3+ Co-Doping toward Plant Lighting LEDs

Lu Zi, Ximan Fan, Shuna Guan, Gejihu De, Hongxian Wei, Haixin Liu, Yaxian Zhu, Wen Xu

The Journal of Physical Chemistry Letters· Volume 16· Issue 9
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Source abstract

Abstract

The development of light-emitting diodes (LEDs) that can promote the entire process of plant growth remains a challenging task. Herein, Sb 3+ and Gd 3+ co-doped Cs 2 AgInCl 6 double perovskite microcrystals (DPMCs) with efficient red, far-red, and near-infrared (NIR) light have been synthesized by a solution-processable recrystallization method. Sb 3+ ion doping not only regulates the emission peak position of undoped Cs 2 AgInCl 6 DPMCs from 600 to 670 nm but also increases the photoluminescence quantum yields (PLQYs) by 37 times. Gd 3+ ion doping further increases the emission intensity, resulting in a PLQY of 40.8%. This value is 81.6 times higher than that of the undoped sample. Finally, LEDs were prepared by coupling Cs 2 NaInCl 6:Sb 3+ (blue), Cs 2 AgInCl 6: Sb, Gd (red, far-red, NIR) and 365 nm ultraviolet chips. The LEDs simultaneously contain blue, red, far-red, and near-infrared light emitting components, which can meet the entire process of plant growth. This work provides a new idea for the preparation of effective plant lighting LEDs.
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Research context

Electronic materials

OpenAlex topics: Perovskite Materials and Applications · Luminescence Properties of Advanced Materials · Advanced Photocatalysis Techniques

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Key Laboratory of Advanced Materials Chemistry and Devices (AMCD Lab) of the Department of Education of Inner Mongolia Autonomous Region, College of Chemistry and Environmental Science

Inner Mongolia Normal University

School of Physics and Electronics

Henan University

Key Laboratory of New Energy and Rare Earth Resource Utilization of State Ethnic Affairs Commission, Key Laboratory of Photosensitive Materials & Devices of Liaoning Province, School of Physics and Materials Engineering, Dalian Minzu University, 18 Liaohe West Road, Dalian 116600, P. R. China

Funding

Natural Science Foundation of Henan Province · Key Scientific Research Project of Colleges and Universities in Henan Province · Natural Science Foundation of Inner Mongolia · National Natural Science Foundation of China · Scientific and Technological Innovation Team of Universities in Henan Province

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