Phillips 66 Company

Kathy A Repa

Hualong Pan

Brian J Worfolk

Alyssa Brooke Chinen-Mendez

An organic photovoltaic device comprising a polymer: and an acceptor. In this organic photovoltaic device, R, R, R, R, Rand Rare independently selected from the group consisting of: a halogen, a substituted alkyl, an unsubstituted alkyl, a substituted aryl, an unsubstituted aryl, a substituted heteroaryl and an unsubstituted heteroaryl.

Methods and systems of organic semiconducting polymers

A polymer comprising:  In this embodiment, R' and R&#x2033;, can be independently selected from the group consisting of: a halogen, a substituted alkyl, an unsubstituted alkyl, a substituted aryl, and an unsubstituted aryl. Additionally, Xand Xcan be independently selected from the group consisting of: O, S, Se, N&#x2014;R, and Si&#x2014;R&#x2014;R. Lastly, Ar and Ar&#x2032; can be identical or different and can be independently selected from the group consisting of: a substituted aryl, and an unsubstituted aryl.

A method of reacting bis(R) 5,5'&#x2033;-dibromo-3&#x2033;,4&#x2032;-difluoro-[2,2&#x2032;:5&#x2032;,2&#x2033;:5&#x2033;,2&#x2032;&#x2033;-quaterthiophene]-3,3&#x2032;&#x2033;-dicarboxylate and bis(R) 5,5&#x2032;&#x2033;-dibromo-3&#x2033;,4&#x2032;-difluoro-[2,2&#x2032;:5&#x2032;,2&#x2033;:5&#x2033;,2&#x2032;&#x2033;-quaterthiophene]-3,3&#x2032;&#x2033;-dicarboxylate to form the polymer:  In this polymer R, R, R, R, Rand Rare independently selected from the group consisting of: a halogen, a substituted alkyl, an unsubstituted alkyl, a substituted aryl, an unsubstituted aryl, a substituted heteroaryl and an unsubstituted heteroaryl.

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Bartlesville, OK, United States of America

Kathy A Repa