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US 12,319,767 B2Granted
Forming ester-substituted polymers for organic photovoltaics
OwnerLaura Nielsen, Reed Eisenhart +5inventors
InventorsLaura Nielsen, Reed Eisenhart, Victoria Suding, Alyssa Brooke Chinen-Mendez, Brian J. Worfolk, Zach L. Cramer, Hualong Pan
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Abstract
A method comprised of combining Me3Sn—X—SnMe3 to form a solution containing a polymer In this polymer R, R′, and R″ are independently selected from the group consisting of: H, Cl, F, CN, alkyl, alkoxy, alkylthio, ester, ketone and aryl groups; and X is selected from aryl groups.
Claims15
A method comprising:
- combining
- and Me3Sn—X—SnMe3 to form a solution containing a polymer
- wherein R, R′, and R″ are independently selected from the group consisting of:
- H, Cl, F, CN, alkyl, alkoxy, alkylthio, ester, ketone and aryl groups;
- and
- wherein X is selected from aryl groups.
3 more elements
A method comprising:
- combining
- Me3Sn—X— SnMe3, and Me3Sn—X′—SnMe3 to form
- wherein R, R′, and R″ are independently selected from the group consisting of:
- H, Cl, F,
- CN, alkyl, alkoxy, alkylthio, ester, ketone and aryl groups;
- wherein X and X′ are independently selected from aryl groups;
- and
- wherein m independently ranges from 1 to 100 percent and n independently ranges from 0 to 99 percent.
5 more elements
Dependencies are inferred from the claim text.