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Kim, Jin Young
Next Generation Energy Laboratory
Research Interests
  • Polymer solar cells, QD solar cells, organic-inorganic hybrid solar cells, perovskite solar cells, OLEDs, PeLEDs, organic FETs


Origin of the luminescence spectra width in perovskite nanocrystals with surface passivation

DC Field Value Language Yoon, Yung Jin ko Shin, Yun Seop ko Park, Chan Beom ko Son, Jung Geon ko Kim, Jae Won ko Kim, Hyeon Seo ko Lee, Woojin ko Heo, Jungwoo ko Kim, Gi-Hwan ko Kim, Jin Young ko 2020-12-09T02:18:36Z - 2020-11-30 ko 2020-11 ko
dc.identifier.citation NANOSCALE, v.12, no.42, pp.21695 - 21702 ko
dc.identifier.issn 2040-3364 ko
dc.identifier.uri -
dc.description.abstract Though halide perovskite nanocrystal (PeNC) based blue light emitting devices have been improved in the last few years, and the reasons for the improvements have been successfully explained, the origin of the narrow emission spectra of PeNCs have not been studied much. Here, the factors that affect the width of the emission spectra of PeNCs are analyzed with controlled synthesis and surface passivation treatment. The overall spectra are governed by the size of PeNCs; however, the width could be narrowed by surface passivation treatment. The anion passivation effect of the surface passivation improved most of optoelectronic properties, but had less effect on the emission spectra width. The narrower emission spectra of PeNCs are obtained by ligand passivation effect of the surface passivation. Light emitting devices with enhanced optoelectronic properties are successfully fabricated and narrow (0.094 eV, 16.72 nm) blue electroluminescence emission spectra (similar to 470 nm) are obtained. ko
dc.language 영어 ko
dc.publisher ROYAL SOC CHEMISTRY ko
dc.title Origin of the luminescence spectra width in perovskite nanocrystals with surface passivation ko
dc.type ARTICLE ko
dc.identifier.scopusid 2-s2.0-85095799859 ko
dc.identifier.wosid 000585977000017 ko
dc.type.rims ART ko
dc.identifier.doi 10.1039/d0nr04757k ko
dc.identifier.url!divAbstract ko
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