Improved efficiency of PPV due to bulky tetraphenylmethane pendants
Source abstract
Abstract
A PPV derivative containing bulky tetraphenylmethane side chains was synthesised. Its optical properties were examined. Compared to its parent PPV polymer, its UV-Vis absorption and PL showed less red-shift from solution to film, its PL showed much less concentration quenching effect and higher efficiency, its EL device showed 9-fold enhanced efficiency. These improvements were attributed to weakened inter-chain interaction caused by the tetraphenylmethane group.
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Conducting polymers and applications · Organic Electronics and Photovoltaics · Organic Light-Emitting Diodes Research
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