Friday , 15 December 2017

Absorption spectra binary blends of PQ

1Pratima V. Damre and 2Dr. V. M. Raut
1Department of Applied Science, Government of Engineering and Research, Awsari (khurd), Taluka-Ambegaon, District-Pune, Pin No.412405

2Department of Chemistry, Government Vidarbha Institute of Science and Humanities, Amravati

A B S T R A C T
Large enhancement in electroluminescence efficiency and brightness of light-emitting diodes fabricated from binary blends of conjugated polyquinolines was observed compared to devices made from the homopolymers. Blends of poly(2,2-(2,5-thienylene)-6,6-bis(4-phenylquinoline)) (PTPQ) and poly(2,2-(biphenylene)-6,6-bis(4-phenylquinoline)) (PBPQ), for example, had EL efficiency and luminance of up to a factor of 30 enhancement. These results demonstrate new phenomena in the electroluminescence and photophysics of multicomponent conjugated polymers.

Keywords: Binary blends of PTPQ and PBPQ

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