4.7 Article

Boron difluoride hemicurcuminoid as an efficient far red to near-infrared emitter: toward OLEDs and laser dyes

Journal

CHEMICAL COMMUNICATIONS
Volume 53, Issue 52, Pages 7003-7006

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/c7cc01786c

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Funding

  1. National Research Foundation of Korea [22A20130012040, 2014M3A6B3063706] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)

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A hemicurcuminoid boron difluoride complex is used as an emitter in organic light-emitting diodes, showing far red/near-infrared electroluminescence with an external quantum efficiency as high as 2.1%. This dye blended in CBP thin films shows amplified spontaneous emission with a threshold of 22 mu J cm(-2) at 750 nm, making this compound attractive for organic semiconductor lasers operating in the near-infrared region.

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