A Molecular Engineering Strategy for Achieving Blue Phosphorescent Carbon Dots with Outstanding Efficiency above 50%
Sign Up to like & getrecommendations! Published in 2022 at "Advanced Materials"
DOI: 10.1002/adma.202207970
Abstract: Highly efficient emission has been a long‐lasting pursuit for carbon dots (CDs) owing to their enormous potential in optoelectronic applications. Nevertheless, their room‐temperature phosphorescence (RTP) performance still largely lags behind their outstanding fluorescence emission, especially… read more here.
Keywords: molecular engineering; engineering strategy; blue phosphorescent; carbon dots ... See more keywords
Benzonitirile modified N type host for exciplex host to enhance efficiency and lifetime in blue phosphorescent organic light-emitting diodes
Sign Up to like & getrecommendations! Published in 2022 at "Chemical Engineering Journal"
DOI: 10.1016/j.cej.2021.132584
Abstract: Abstract Benzonitirile modified host materials, 3-(4,6-diphenyl-1,3,5-triazin-2-yl)-5-(triphenylsilyl)benzonitrile (CNmSi-Trz), 3-(4-(dibenzo[b,d]furan-2-yl)-6-phenyl-1,3,5-triazin-2-yl)-5-(triphenylsilyl)benzonitrile (CNmSi-2DBF-Trz) and 3-(4-(dibenzo[b,d]furan-4-yl)-6-phenyl-1,3,5-triazin-2-yl)-5-(triphenylsilyl)benzonitrile (CNmSi-4DBF-Trz), were synthesized for improved efficiency and lifetime in blue phosphorescent organic light-emitting diodes (PhOLEDs). Triazine and benzonitrile units were introduced commonly to the… read more here.
Keywords: benzonitirile modified; efficiency lifetime; lifetime blue; host ... See more keywords
Enabling high efficiency and long lifetime of pure blue phosphorescent organic light emitting diodes by simple cyano modified carbazole-based host
Sign Up to like & getrecommendations! Published in 2021 at "Dyes and Pigments"
DOI: 10.1016/j.dyepig.2020.109118
Abstract: Abstract Herein, we report two simple and efficient high triplet energy bipolar host materials named 2'-(9H-carbazol-9-yl)-[1,1′-biphenyl]-2-carbonitrile (CzBPCN) and 9-(2′-cyano-[1,1′-biphenyl]-2-yl)-9H-carbazole-3-carbonitrile (CNCzBPCN) by connecting carbazole type donor and cyano acceptor on 2 and 2′ positions of a… read more here.
Keywords: blue phosphorescent; carbazole; organic light; phosphorescent organic ... See more keywords
Synthesis of efficient blue phosphorescent heteroleptic Ir(III) complexes containing 4-alkoxy- or 4-alkylaminopicolinates as ancillary ligands
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Luminescence"
DOI: 10.1016/j.jlumin.2017.04.043
Abstract: Abstract New blue phosphorescent iridium(III) complexes containing 2-phenylpyridine derivatives as the main ligands and 4-substituted picolinates as the ancillary ligands were synthesized and their photophysical properties were investigated. In addition, the structures of three of… read more here.
Keywords: iii; iridium iii; iii complexes; complexes containing ... See more keywords
Improved efficiency in blue phosphorescent organic light-emitting diodes by the stepwise doping structure
Sign Up to like & getrecommendations! Published in 2017 at "Optical Materials"
DOI: 10.1016/j.optmat.2017.02.050
Abstract: Abstract The electro-optical properties of the blue phosphorescent organic light-emitting diodes (PHOLEDs) can be affected by the stepwise doping structure in the emitting layer (EML). A series of multi-EML devices with different doping concentration of… read more here.
Keywords: doping structure; phosphorescent organic; organic light; stepwise doping ... See more keywords
High-performance blue phosphorescent and thermally activated delayed fluorescent solution-processed OLEDs based on exciplex host by modifying TCTA
Sign Up to like & getrecommendations! Published in 2019 at "Organic Electronics"
DOI: 10.1016/j.orgel.2019.01.022
Abstract: Abstract High triplet energy of exciplex was achieved successfully by modifying conventional electron-donating (D) molecule TCTA. So, in this work, Ph-O-TCTA was designed and synthesized. Ph-O-TCTA: PhPO could efficiently form an exciplex. The solution-processed blue… read more here.
Keywords: thermally activated; tcta; blue phosphorescent; solution processed ... See more keywords
Spatial separation of two blue triplet emitters for improved lifetime in blue phosphorescent organic light-emitting diodes by confining excitons at the interface between two emitting layers
Sign Up to like & getrecommendations! Published in 2019 at "Organic Electronics"
DOI: 10.1016/j.orgel.2019.03.042
Abstract: Abstract A device architecture to improve the lifetime of blue phosphorescent organic light-emitting diodes was developed using a double emitting layer structure with different blue triplet emitters in each emitting layer. The two emitters were… read more here.
Keywords: triplet; blue phosphorescent; light emitting; organic light ... See more keywords
Tetradentate Pt(II) Complexes with Peripheral Hindrances for Highly Efficient Solution-Processed Blue Phosphorescent OLEDs.
Sign Up to like & getrecommendations! Published in 2022 at "Inorganic chemistry"
DOI: 10.1021/acs.inorgchem.2c01063
Abstract: Two tetradentate Pt(II) complexes with peripheral bulky-group hindrances [Pt(pzpyOczpy-B1) and Pt(pzpyOczpy-B2)] were synthesized and fully investigated for their structural and blue phosphorescent properties. Both X-ray crystallography and computational simulation revealed that bulky substituents incorporated into… read more here.
Keywords: phosphorescent; solution processed; complexes peripheral; tetradentate complexes ... See more keywords
Blue Phosphorescent Platinum Complexes Based on Tetradentate Bipyridine Ligands and Their Application to Organic Light-Emitting Diodes (OLEDs)
Sign Up to like & getrecommendations! Published in 2018 at "Organometallics"
DOI: 10.1021/acs.organomet.8b00659
Abstract: Blue phosphorescent Pt(II) complexes with 2,3′-bipyridine-based tetradentate C^N chelating ligands have been designed and synthesized. To investigate the effect of the substitution of an electron-donating/withdrawing unit on the solid-state structure and photo- and electroluminescence, either… read more here.
Keywords: based tetradentate; phosphorescent platinum; complexes based; tetradentate bipyridine ... See more keywords
Highly Efficient Deep-Blue Phosphorescent OLEDs Based on a Trimethylsilyl-Substituted Tetradentate Pt(II) Complex.
Sign Up to like & getrecommendations! Published in 2022 at "ACS applied materials & interfaces"
DOI: 10.1021/acsami.2c06891
Abstract: Compared to Ir(III) complexes with octahedral geometries, Pt(II) complexes with square planar geometries show superior optical properties because their flat shapes lead to an orientation that enhances the outcoupling of organic light-emitting diodes (OLEDs). However,… read more here.
Keywords: tms; phosphorescent; deep blue; color ... See more keywords
Electron-Rich 4-Substituted Spirobifluorenes: Toward a New Family of High Triplet Energy Host Materials for High-Efficiency Green and Sky Blue Phosphorescent OLEDs.
Sign Up to like & getrecommendations! Published in 2017 at "ACS applied materials & interfaces"
DOI: 10.1021/acsami.6b14285
Abstract: We report herein a detailed structure-properties relationship study of the first examples of electron-rich 4-substituted spirobifluorenes for organic electronic applications, namely, 4-phenyl-N-carbazole-spirobifluorene (4-PhCz-SBF) and 4-(3,4,5-trimethoxyphenyl)-spirobifluorene (4-Ph(OMe)3-SBF). The incorporation of the electron-rich moieties in the ortho… read more here.
Keywords: electron rich; family; substituted spirobifluorenes; blue phosphorescent ... See more keywords