Skip to main page content
U.S. flag

An official website of the United States government

Dot gov

The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you’re on a federal government site.

Https

The site is secure.
The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.

Access keys NCBI Homepage MyNCBI Homepage Main Content Main Navigation
. 2009 Jun 10;131(22):7514-5.
doi: 10.1021/ja900519k.

Tailoring structure-property relationships in dithienosilole-benzothiadiazole donor-acceptor copolymers

Pierre M Beaujuge  1 , Wojciech Pisula, Hoi Nok Tsao, Stefan Ellinger, Klaus Müllen, John R Reynolds
Affiliations

Tailoring structure-property relationships in dithienosilole-benzothiadiazole donor-acceptor copolymers

Pierre M Beaujuge et al. J Am Chem Soc. .

Abstract

Four new DTS-BTD copolymers (P1-P4) differing by the concentration of electron-donating and -withdrawing substituents along the backbone have been synthesized and characterized by 2D-WAXS and in bottom-contact FETs. While all copolymers can self-assemble into lamellar superstructures, only P2 and P4 show a propensity to pi-stack. P4 exhibits a hole mobility as high as 0.02 cm(2) V(-1) s(-1) in excellent agreement with the close pi-stacking and lamellar distances found by structural analysis (0.36 and 1.84 nm, respectively) and absorbs homogenously across the entire visible spectrum as solar cell applications require.

PubMed Disclaimer

LinkOut - more resources