Conjugated polymers and their use in optoelectronic devices
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United States of America Patent
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Sep 23, 2014
Grant Date -
Sep 26, 2013
app pub date -
Mar 15, 2013
filing date -
Mar 22, 2012
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Abstract
The present invention relates to certain polymeric compounds and their use as organic semiconductors in organic and hybrid optical, optoelectronic, and/or electronic devices such as photovoltaic cells, light emitting diodes, light emitting transistors, and field effect transistors. The present compounds can provide improved device performance, for example, as measured by power conversion efficiency, fill factor, open circuit voltage, field-effect mobility, on/off current ratios, and/or air stability when used in photovoltaic cells or transistors. The present compounds can have good solubility in common solvents enabling device fabrication via solution processes.
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