Výsledky vyhledávání - "Raghu Nath Bera"

Solution-Processible Phosphorescent Blue Dendrimers Based on Biphenyl-Dendrons andFac-tris(phenyltriazolyl)iridium(III) Cores

Autor: Paul L. Burn, Raghu Nath Bera, Ruth E. Harding, Shih-Chun Lo, Ifor D. W. Samuel

Publikováno v: Advanced Functional Materials. 18:3080-3090

Solution-processible saturated blue phosphorescence is an important goal for organic light-emitting diodes (OLEDs). Fac-tris(5-aryltriazolyl)iridium(III) complexes can emit blue phosphorescence at room temperature. Mono- and doubly dendronized fac-tr

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::9ce742643438d1ef707d535f86e73fc0
https://doi.org/10.1002/adfm.200800658

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Highly Branched Phosphorescent Dendrimers for Efficient Solution-Processed Organic Light-Emitting Diodes

Autor: Raghu Nath Bera, Paul L. Burn, Neil Cumpstey, Ifor D. W. Samuel

Publikováno v: Advanced Functional Materials. 17:1149-1152

Intermolecular interactions play a crucial role in the performance of organic light-emitting diodes (OLEDs). Here we report the photophysical and electroluminescence properties of a fac-tris(2-phenylpyridyl)iridium(III) cored dendrimer in which highl

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a9dcccc61361e234c60d4327209cb0ce
https://doi.org/10.1002/adfm.200600118

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Blue Phosphorescence from Iridium(III) Complexes at Room Temperature

Autor: Raghu Nath Bera, Paul L. Burn, Shih-Chun Lo, Ifor D. W. Samuel, Christopher P. Shipley, Andrew R. Cowley, Ruth E. Harding

Publikováno v: Chemistry of Materials. 18:5119-5129

We report a new family of homoleptic iridium(III) complexes that emit blue phosphorescence at room temperature. The iridium( III) complexes are comprised of phenyltriazole ligands and were easily prepared via short synthetic routes. The parent fac-tr

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b4ef8eaf99a53d52aebab179c1e305f3
https://doi.org/10.1021/cm061173b

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Investigating the Effect of Steric Crowding in Phosphorescent Dendrimers

Autor: Neil Cumpstey, Paul L. Burn, Raghu Nath Bera, Ifor D. W. Samuel

Publikováno v: Macromolecules. 38:9564-9570

A simple convergent procedure has been developed for the formation of sterically encumbered phosphorescent dendrimers. The procedure is demonstrated with the preparation of a first-generation dendrimer composed of a fac-tris(2-phenylpyridyl)iridium(I

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::7ed4e70d71b2df3b81f2c7520ed8344d
https://doi.org/10.1021/ma050609q

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Concentration quenching of a red emitting electroluminescent dye tetraphenylporphyrin: A time-resolved photoluminescence study

Autor: Youichi Sakakibara, Raghu Nath Bera, Madoka Tokumoto

Publikováno v: Journal of Materials Science: Materials in Electronics. 16:549-552

This work deals with the steady-state and time-resolved photoluminescence study of a well-known red emitting electroluminescent dye, tetraphenylporphyrin (TPP), doped in poly(methylmethacrylate). From the time-resolved photoluminescence (PL) study, e

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::659156ac87cad624c2a1bebabaac696c
https://doi.org/10.1007/s10854-005-2731-4

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Time-resolved photoluminescence study on concentration quenching of a red emitting tetraphenylchlorin dye for organic electroluminescent devices

Autor: Kiyoshi Yase, Shuji Abe, Youichi Sakakibara, Madoka Tokumoto, Raghu Nath Bera

Publikováno v: Synthetic Metals. 150:9-13

Time-resolved photoluminescence (PL) of a red emitting dye, tetraphenylchlorin (TPC), doped in poly(methylmethacrylate) (PMMA) at various concentrations was studied to clarify the mechanism of concentration quenching often observed in organic electro

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f05f3fe6783b6c603ff0b18d15325fe6
https://doi.org/10.1016/j.synthmet.2005.01.008

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Adsorption-induced unusual changes in the electrical conductivity of 1,1′-diacetylferrocene and 1,1′-ferrocenedicarboxylic acid

Autor: Biswanath Mallik, Raghu Nath Bera

Publikováno v: Synthetic Metals. 99:61-68

The effects of adsorption (at 268 K) of ethanol vapor on the electrical conductivity of 1,1′-diacetylferrocene and 1,1′-ferrocenedicarboxylic acid in powder form have been studied by sandwich-type cell technique. A peak has been observed in the c

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::94f12f2b50d18688d2730c5aaf43efcc
https://doi.org/10.1016/s0379-6779(98)00198-2

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