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Short-chain ligand ...
Short-chain ligand achieves ultra-stable CsPbX3 perovskite quantum dots for white light-emitting diodes
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- Gao, Zhaoju (författare)
- College of Physical Science and Technology and Microelectronics Industry Research Institute, Yangzhou University 1 , Yangzhou 225002, People's Republic of China
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- Shao, Xiuwen (författare)
- College of Physical Science and Technology and Microelectronics Industry Research Institute, Yangzhou University 1 , Yangzhou 225002, People's Republic of China
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- Huang, Zhijing (författare)
- College of Physical Science and Technology and Microelectronics Industry Research Institute, Yangzhou University 1 , Yangzhou 225002, People's Republic of China
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- Xie, Qingyu (författare)
- College of Physical Science and Technology and Microelectronics Industry Research Institute, Yangzhou University 1 , Yangzhou 225002, People's Republic of China
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- Ying, Yupeng (författare)
- College of Physical Science and Technology and Microelectronics Industry Research Institute, Yangzhou University 1 , Yangzhou 225002, People's Republic of China
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- Lin, Hao (författare)
- Institute of Applied Physics and Materials Engineering, University of Macau 2 , Taipa, Macao SAR 999078, People's Republic of China
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- Wang, Jia (författare)
- Umeå universitet,Institutionen för fysik,Jia Wang Lab
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- Tang, Xiaosheng (författare)
- College of Optoelectronic Engineering, Chongqing University of Post and Telecommunications 4 , Chongqing 400065, People's Republic of China
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- Chen, Weiwei (författare)
- College of Optoelectronic Engineering, Chongqing University of Post and Telecommunications 4 , Chongqing 400065, People's Republic of China
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- Pei, Wei (författare)
- College of Physical Science and Technology and Microelectronics Industry Research Institute, Yangzhou University 1 , Yangzhou 225002, People's Republic of China
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- Tu, Yusong (författare)
- College of Physical Science and Technology and Microelectronics Industry Research Institute, Yangzhou University 1 , Yangzhou 225002, People's Republic of China
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- Liu, Yongfeng (författare)
- College of Physical Science and Technology and Microelectronics Industry Research Institute, Yangzhou University 1 , Yangzhou 225002, People's Republic of China
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(creator_code:org_t)
- American Institute of Physics (AIP), 2024
- 2024
- Engelska.
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Ingår i: Applied Physics Letters. - : American Institute of Physics (AIP). - 0003-6951 .- 1077-3118. ; 124:4
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- All-inorganic perovskite quantum dots (PeQDs) have aroused great research interest in white light-emitting diodes (WLED) due to their excellent optoelectronic properties, but the poor stability, caused by dynamically binding long-chain capping ligands, hinders their future practical applications. To address this issue, here, we exploit short-chain butyric acid (BA) to replace long-chain oleic acid (OA) as capping ligand of CsPbX3 PeQDs by a hot-injection method. The addition of BA not only makes the morphology of CsPbBr3 PeQDs uniform and improves the crystallinity but also effectively suppresses nonradiative recombination, achieving a near unit photoluminescence quantum yield of 96%. The BA capped CsPbBr3 PeQDs exhibit high stability up to 180 d stored in ambient environment and also significantly improved resistance against polar solvent, ultra-violet lamp irradiation, and heat, which is rationalized by the strong binding capacity and shortened distance of BA to the PeQDs through ab initio calculations. Furthermore, by combining green-emission CsPbBr3 and red-emission CsPbBr0.8I2.2 PeQDs with blue GaN chip, we achieved WLEDs with excellent luminous properties, showing their great potential in practical application of wide-color-gamut display and lighting.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Materialteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Materials Engineering (hsv//eng)
- NATURVETENSKAP -- Kemi -- Materialkemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Materials Chemistry (hsv//eng)
Nyckelord
- Materials Science
- materialvetenskap
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- ref (ämneskategori)
- art (ämneskategori)
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Till lärosätets databas
- Av författaren/redakt...
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Gao, Zhaoju
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Shao, Xiuwen
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Huang, Zhijing
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Xie, Qingyu
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Ying, Yupeng
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Lin, Hao
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visa fler...
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Wang, Jia
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Tang, Xiaosheng
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Chen, Weiwei
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Pei, Wei
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Tu, Yusong
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Liu, Yongfeng
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visa färre...
- Om ämnet
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- TEKNIK OCH TEKNOLOGIER
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TEKNIK OCH TEKNO ...
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och Materialteknik
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- NATURVETENSKAP
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NATURVETENSKAP
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och Kemi
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och Materialkemi
- Artiklar i publikationen
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Applied Physics ...
- Av lärosätet
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Umeå universitet