期刊
ADVANCED MATERIALS TECHNOLOGIES
卷 5, 期 10, 页码 -出版社
WILEY
DOI: 10.1002/admt.202000091
关键词
display technology; passivation; photoluminescence application; stability; wide color gamut
资金
- National Research Foundation of Korea (NRF) - Korea government (Ministry of Science and Information & Communication Technology (ICT)) [NRF-2016R1A3B1908431]
Methods to overcome the instability of perovskites to moisture, light, and heat in down-converted displays (DCDs), in which films of perovskite emitters are placed on top of the backlight unit and convert its light to a desired color, are reviewed here. First, the photophysical properties of perovskite emitters as light converters in DCDs are discussed. Second, five strategies to improve stability of perovskite emitting materials (PeMs) mostly in a form of perovskite nanoparticles (PeNPs) are summarized: i) encapsulation in inorganics, ii) encapsulation in polymer, iii) semiconductor shelling, iv) ligand engineering, and v) defect engineering. Third, examples of DCDs that use perovskite emitters are presented. Finally, future perspectives for the commercialization of perovskite emitters as a next-generation material that can be applied to DCDs are outlined.
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