The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 16, 2019
Filed:
Oct. 11, 2016
Samsung Electronics Co., Ltd., Suwon-si, Gyeonggi-do, KR;
The Board of Trustees of the Leland Stanford Junior University, Stanford, CA (US);
Young-jun Park, Suwon-si, KR;
Jong-min Kim, Yongin-si, KR;
Hang-woo Lee, Stanford, CA (US);
Zhenan Bao, Stanford, CA (US);
Samsung Electronics Co., Ltd., Gyeonggi-do, KR;
The Board of Trustees of the Leland Stanford Jr. University, Palo Alto, CA (US);
Abstract
According to example embodiments, a method includes dispersing carbon nanotubes in a mixed solution containing a solvent, the carbon nanotubes, and a dispersant, the carbon nanotubes including semiconducting carbon nanotubes, the dispersant comprising a polythiophene derivative including a thiophene ring and a hydrocarbon sidechain linked to the thiophene ring. The hydrocarbon sidechain includes an alkyl group containing a carbon number of 7 or greater. The hydrocarbon sidechain may be regioregularly arranged, and the semiconducting carbon nanotubes are selectively separated from the mixed solution. An electronic device includes semiconducting carbon nanotubes and the foregoing described polythiophene derivative.