Thermally Stable Nonaggregating Pyrenylarenes for Blue Organic Light-Emitting Devices † CDRI communication No. 8097

A new series of thermally stable blue light-emitting nonplanar pyrenylarenes having an amine donor and a nitrile acceptor group was prepared from a ketene-S,S-acetal under conventional heating and/or microwave irradiation. The photophysical, electrochemical, and optical behavior of donor–acceptor py...

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Published inJournal of organic chemistry Vol. 76; no. 18; pp. 7474 - 7481
Main Authors Goel, Atul, Kumar, Vijay, Nag, Pankaj, Bajpai, Vikas, Kumar, Brijesh, Singh, Charan, Prakash, Sattey, Anand, R. S
Format Journal Article
LanguageEnglish
Published American Chemical Society 16.09.2011
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Abstract A new series of thermally stable blue light-emitting nonplanar pyrenylarenes having an amine donor and a nitrile acceptor group was prepared from a ketene-S,S-acetal under conventional heating and/or microwave irradiation. The photophysical, electrochemical, and optical behavior of donor–acceptor pyrenylarenes are demonstrated. The performance of blue light-emitting pyrenylarenes was investigated by fabricating a multilayer device with the device configuration of ITO/PEDOT:PSS (40 nm)/NPB (30 nm)/pyrenylarene (55 nm)/BCP (8 nm)/LiF (0.6 nm)/Al (200 nm), which exhibited low turn-on voltage (5 V) with luminance efficiency of 0.8 Cd/A with nonaggregation behavior in both solution and solid state.
AbstractList A new series of thermally stable blue light-emitting nonplanar pyrenylarenes having an amine donor and a nitrile acceptor group was prepared from a ketene-S,S-acetal under conventional heating and/or microwave irradiation. The photophysical, electrochemical, and optical behavior of donor–acceptor pyrenylarenes are demonstrated. The performance of blue light-emitting pyrenylarenes was investigated by fabricating a multilayer device with the device configuration of ITO/PEDOT:PSS (40 nm)/NPB (30 nm)/pyrenylarene (55 nm)/BCP (8 nm)/LiF (0.6 nm)/Al (200 nm), which exhibited low turn-on voltage (5 V) with luminance efficiency of 0.8 Cd/A with nonaggregation behavior in both solution and solid state.
Author Kumar, Brijesh
Anand, R. S
Kumar, Vijay
Goel, Atul
Bajpai, Vikas
Prakash, Sattey
Nag, Pankaj
Singh, Charan
AuthorAffiliation Sophisticated Analytical Instrument Facility
CSIR-Central Drug Research Institute
Indian Institute of Technology
Divisions of Medicinal and Process Chemistry
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Title Thermally Stable Nonaggregating Pyrenylarenes for Blue Organic Light-Emitting Devices † CDRI communication No. 8097
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