Efficient and stable emission of warm-white light from lead-free halide double perovskites
Abstract
Lighting accounts for one-fifth of global electricity consumption. Single materials with efficient and stable white-light emission are ideal for lighting applications, but photon emission covering the entire visible spectrum is difficult to achieve using a single material. Metal halide perovskites have outstanding emission properties; however, the best-performing materials of this type contain lead and have unsatisfactory stability. Here we report a lead-free double perovskite that exhibits efficient and stable white-light emission via self-trapped excitons that originate from the Jahn–Teller distortion of the AgCl6 octahedron in the excited state. By alloying sodium cations into Cs2AgInCl6, we break the dark transition (the inversion-symmetry-induced parity-forbidden transition) by manipulating the parity of the wavefunction of the self-trapped exciton and reduce the electronic dimensionality of the semiconductor. This leads to an increase in photoluminescence efficiency by three orders of magnitude compared to pure Cs2AgInCl6. The optimally alloyed Cs2(Ag0.60Na0.40)InCl6 with 0.04 per cent bismuth doping emits warm-white light with 86 ± 5 per cent quantum efficiency and works for over 1,000 hours. We anticipate that these results will stimulate research on single-emitter-based white-light-emitting phosphors and diodes for next-generation lighting and display technologies.
- Authors:
-
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- Huazhong Univ. of Science and Technology (HUST), Wuhan (China)
- Univ. of Toledo, OH (United States)
- Monash Univ., Melbourne, VIC (Australia)
- Jilin Univ., Changchun (China). State Key Lab. of Superhard Materials
- Huazhong Univ. of Science and Technology (HUST), Wuhan (China); Univ. of Toronto, ON (Canada)
- Tsinghua Univ., Beijing (China)
- Chinese Academy of Sciences, Dalian (China)
- Wuhan Univ. (China)
- Univ. of Toronto, ON (Canada)
- Publication Date:
- Research Org.:
- Energy Frontier Research Centers (EFRC) (United States). Center for Hybrid Organic-Inorganic Semiconductors for Energy (CHOISE); Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States). National Energy Research Scientific Computing Center (NERSC); Univ. of California, Oakland, CA (United States); Duke Univ., Durham, NC (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC)
- OSTI Identifier:
- 1543773
- Grant/Contract Number:
- AC02-05CH11231; EE0006712
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Nature (London)
- Additional Journal Information:
- Journal Name: Nature (London); Journal Volume: 563; Journal Issue: 7732; Journal ID: ISSN 0028-0836
- Publisher:
- Nature Publishing Group
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 36 MATERIALS SCIENCE; Science & Technology - Other Topics
Citation Formats
Luo, Jiajun, Wang, Xiaoming, Li, Shunran, Liu, Jing, Guo, Yueming, Niu, Guangda, Yao, Li, Fu, Yuhao, Gao, Liang, Dong, Qingshun, Zhao, Chunyi, Leng, Meiying, Ma, Fusheng, Liang, Wenxi, Wang, Liduo, Jin, Shengye, Han, Junbo, Zhang, Lijun, Etheridge, Joanne, Wang, Jianbo, Yan, Yanfa, Sargent, Edward H., and Tang, Jiang. Efficient and stable emission of warm-white light from lead-free halide double perovskites. United States: N. p., 2018.
Web. doi:10.1038/s41586-018-0691-0.
Luo, Jiajun, Wang, Xiaoming, Li, Shunran, Liu, Jing, Guo, Yueming, Niu, Guangda, Yao, Li, Fu, Yuhao, Gao, Liang, Dong, Qingshun, Zhao, Chunyi, Leng, Meiying, Ma, Fusheng, Liang, Wenxi, Wang, Liduo, Jin, Shengye, Han, Junbo, Zhang, Lijun, Etheridge, Joanne, Wang, Jianbo, Yan, Yanfa, Sargent, Edward H., & Tang, Jiang. Efficient and stable emission of warm-white light from lead-free halide double perovskites. United States. https://doi.org/10.1038/s41586-018-0691-0
Luo, Jiajun, Wang, Xiaoming, Li, Shunran, Liu, Jing, Guo, Yueming, Niu, Guangda, Yao, Li, Fu, Yuhao, Gao, Liang, Dong, Qingshun, Zhao, Chunyi, Leng, Meiying, Ma, Fusheng, Liang, Wenxi, Wang, Liduo, Jin, Shengye, Han, Junbo, Zhang, Lijun, Etheridge, Joanne, Wang, Jianbo, Yan, Yanfa, Sargent, Edward H., and Tang, Jiang. Wed .
"Efficient and stable emission of warm-white light from lead-free halide double perovskites". United States. https://doi.org/10.1038/s41586-018-0691-0. https://www.osti.gov/servlets/purl/1543773.
@article{osti_1543773,
title = {Efficient and stable emission of warm-white light from lead-free halide double perovskites},
author = {Luo, Jiajun and Wang, Xiaoming and Li, Shunran and Liu, Jing and Guo, Yueming and Niu, Guangda and Yao, Li and Fu, Yuhao and Gao, Liang and Dong, Qingshun and Zhao, Chunyi and Leng, Meiying and Ma, Fusheng and Liang, Wenxi and Wang, Liduo and Jin, Shengye and Han, Junbo and Zhang, Lijun and Etheridge, Joanne and Wang, Jianbo and Yan, Yanfa and Sargent, Edward H. and Tang, Jiang},
abstractNote = {Lighting accounts for one-fifth of global electricity consumption. Single materials with efficient and stable white-light emission are ideal for lighting applications, but photon emission covering the entire visible spectrum is difficult to achieve using a single material. Metal halide perovskites have outstanding emission properties; however, the best-performing materials of this type contain lead and have unsatisfactory stability. Here we report a lead-free double perovskite that exhibits efficient and stable white-light emission via self-trapped excitons that originate from the Jahn–Teller distortion of the AgCl6 octahedron in the excited state. By alloying sodium cations into Cs2AgInCl6, we break the dark transition (the inversion-symmetry-induced parity-forbidden transition) by manipulating the parity of the wavefunction of the self-trapped exciton and reduce the electronic dimensionality of the semiconductor. This leads to an increase in photoluminescence efficiency by three orders of magnitude compared to pure Cs2AgInCl6. The optimally alloyed Cs2(Ag0.60Na0.40)InCl6 with 0.04 per cent bismuth doping emits warm-white light with 86 ± 5 per cent quantum efficiency and works for over 1,000 hours. We anticipate that these results will stimulate research on single-emitter-based white-light-emitting phosphors and diodes for next-generation lighting and display technologies.},
doi = {10.1038/s41586-018-0691-0},
journal = {Nature (London)},
number = 7732,
volume = 563,
place = {United States},
year = {Wed Nov 07 00:00:00 EST 2018},
month = {Wed Nov 07 00:00:00 EST 2018}
}
Web of Science
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LEDs using halide perovskite nanocrystal emitters
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Water-induced fluorescence enhancement of lead-free cesium bismuth halide quantum dots by 130% for stable white light-emitting devices
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Solvent-controlled assembly of pillar[5]arene-based supramolecular networks via π–π interactions for white light modulation
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Carbon quantum dots: an emerging material for optoelectronic applications
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Realizing an impressive red-emitting Ca 9 MnNa(PO 4 ) 7 phosphor through a dual function based on disturbing structural confinement and energy transfer
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One-step solution synthesis of white-light-emitting films via dimensionality control of the Cs–Cu–I system
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Synthesis and optical properties of colloidal Cs 2 AgSb 1−x Bi x Cl 6 double perovskite nanocrystals
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Azetidinium as cation in lead mixed halide perovskite nanocrystals of optoelectronic quality
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Broadband emission of double perovskite Cs 2 Na 04 Ag 06 In 0995 Bi 0005 Cl 6 :Mn 2+ for single-phosphor white-light-emitting diodes
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In Situ Regulating the Order–Disorder Phase Transition in Cs 2 AgBiBr 6 Single Crystal toward the Application in an X‐Ray Detector
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Lead Halide Post‐Perovskite‐Type Chains for High‐Efficiency White‐Light Emission
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Negative Thermal Quenching of Efficient White‐Light Emission in a 1D Ladder‐Like Organic/Inorganic Hybrid Material
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Semiconductor Quantum Dots‐Embedded Inorganic Glasses: Fabrication, Luminescent Properties, and Potential Applications
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Trivalent‐Neodymium Additive Modulated MAPbBr 3 Perovskite Nucleation and Growth: Ultrawide Processing Window for One‐Step Fabrication of Efficient Light‐Emitting Perovskites
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A Highly Red-Emissive Lead-Free Indium-Based Perovskite Single Crystal for Sensitive Water Detection
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Intrinsic Self‐Trapped Emission in 0D Lead‐Free (C 4 H 14 N 2 ) 2 In 2 Br 10 Single Crystal
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Colloidal Synthesis and Optical Properties of All‐Inorganic Low‐Dimensional Cesium Copper Halide Nanocrystals
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Dimensional Reduction of Cs 2 AgBiBr 6 : A 2D Hybrid Double Perovskite with Strong Polarization Sensitivity
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Efficient sky-blue perovskite light-emitting diodes via photoluminescence enhancement
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Reversible 3D laser printing of perovskite quantum dots inside a transparent medium
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Room temperature synthesis of Mn-doped Cs 3 Pb 6.48 Cl 16 perovskite nanocrystals with pure dopant emission and temperature-dependent photoluminescence
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Silica encapsulation of metal perovskite nanocrystals in a photoluminescence type display application
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Tunable green lasing from circular grating distributed feedback based on CH 3 NH 3 PbBr 3 perovskite
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Acetic Acid Assisted Crystallization Strategy for High Efficiency and Long‐Term Stable Perovskite Solar Cell
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A Highly Red‐Emissive Lead‐Free Indium‐Based Perovskite Single Crystal for Sensitive Water Detection
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Colloidal Synthesis and Optical Properties of All‐Inorganic Low‐Dimensional Cesium Copper Halide Nanocrystals
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0D Cs 3 Cu 2 X 5 (X = I, Br, and Cl) Nanocrystals: Colloidal Syntheses and Optical Properties
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Intrinsic White‐Light‐Emitting Metal–Organic Frameworks with Structurally Deformable Secondary Building Units
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Water‐Assisted Synthesis of Blue Chip Excitable 2D Halide Perovskite with Green‐Red Dual Emissions for White LEDs
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Non-concentration quenching, good thermal stability and high quantum efficiency of K 5 Y(P 2 O 7 ) 2 :Eu 3+ /Tb 3+ phosphors with a novel two-dimensional layer structure
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WC 1−x ‐Coupled 3D Porous Defective g‐C 3 N 4 for Efficient Photocatalytic Overall Water Splitting
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Ultrafast self-trapping of photoexcited carriers sets the upper limit on antimony trisulfide photovoltaic devices
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Efficient sky-blue perovskite light-emitting diodes via photoluminescence enhancement
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