Quantum yield enhancement in BDMO-PPV
Abstract
BDMO-PPV is a photoluminescent semiconducting polymer related to others in the well-studied polyphenylene vinylene family such as MEH-PPV. These materials are known for their instability, degradation, and low efficiency in device operations. We report increased internal and external quantum yield in BDMO-PPV during continuous illumination photodegradation through variations in absorbance, scattering, reflectance, and transmittance of the BDMO-PPV solution. We propose the creation of a highly emissive intermediate photoluminescent state responsible for these increased quantum yields.
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