The synthesis and characterisation of the highly stable perovskite nano crystals and their application to ink-jet printed colour conversion layers
- Title
- The synthesis and characterisation of the highly stable perovskite nano crystals and their application to ink-jet printed colour conversion layers
- Author
- 고민재
- Keywords
- Perovskite; Light-emitting diode; Stability; Colour gamut; Ink-jet printing; Display
- Issue Date
- 2020-05
- Publisher
- ELSEVIER SCIENCE INC
- Citation
- JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY, v. 85, page. 226-239
- Abstract
- We synthesised cesium lead bromide and formamidinium lead bromide perovskite colloidal nanocrystals by ligand-assisted reprecipitation method for the wide-colour gamut low-cost displays. The prepared perovskite colloidal nanocrystal solutions were formulated into the ink-jet printable homogeneous inks and uniformly coated as the colour conversion layers of the quantum dot organic light-emitting diode displays. The silica capped CsPbBr3 nanocrystals were very stable in high temperature observation while the FAPbBr(3) showed the excellent long-term stability at room temperature even without the silica passivation. The ink-jet printed colour conversion films had very narrow full-width-at-half-maximums of around 20 nm and high photoluminescence quantum yields of 73.0% and 76.9%, respectively. Particularly, the FAPbBr(3) thin film had an excellent cut-off ratio of blue emission and exhibited external quantum efficiency of 5.39% when fabricated as the hybrid display devices. (C) 2020 The Korean Society of Industrial and Engineering Chemistry. Published by Elsevier B.V. All rights reserved.
- URI
- https://www.sciencedirect.com/science/article/pii/S1226086X20300836?via%3Dihubhttps://repository.hanyang.ac.kr/handle/20.500.11754/166261
- ISSN
- 1226-086X; 1876-794X
- DOI
- 10.1016/j.jiec.2020.02.005
- Appears in Collections:
- COLLEGE OF ENGINEERING[S](공과대학) > CHEMICAL ENGINEERING(화학공학과) > Articles
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