Blends of fullerene derivatives, and uses thereof in electronic devices
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United States of America Patent
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May 7, 2013
Grant Date -
Feb 23, 2012
app pub date -
Aug 26, 2011
filing date -
Jul 6, 2006
priority date (Note) -
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Abstract
Disclosed are compositions of mixed fullerene derivatives with utility in organic semiconductors, and methods of making and using such compositions. In certain embodiments, the present invention relates to compositions of mixed fullerene derivatives further comprising one or more additional fullerene-based components within specified ranges. In certain other embodiments, the invention relates to methods of producing mixed fullerene derivatives of a specific composition from mixed fullerene starting materials, or pure fullerene derivatives of a specific composition from mixed fullerene derivatives. In yet other embodiments, the invention relates to semiconductors and devices comprising a composition of the invention.
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