Morphological studies of a donor-bridge-acceptor block copolymer system

Soobum Choi; Kang Seo; Cheng Zhang; Sam-Shajing Sun

doi:10.1117/12.681023

3 November 2006 Morphological studies of a donor-bridge-acceptor block copolymer system

Soobum Choi, Kang Seo, Cheng Zhang, Sam-Shajing Sun

Proceedings Volume 6334, Organic Photovoltaics VII; 63340Z (2006) https://doi.org/10.1117/12.681023
Event: SPIE Optics + Photonics, 2006, San Diego, California, United States

Abstract

Thin film morphological studies using a number of techniques including AFM and XRD have revealed some interesting molecular self-assembled pattern in the synthesized −DBAB− block copolymer, and this is very different from the corresponding simple D/A blend. It was also observed that the thin film processing conditions affect the morphologies dramatically. The earlier observed much better photovoltaic properties of a −donor-bridge-acceptor-bridge type block copolymer versus the corresponding donor/acceptor blend has been attributed to morphological improvements in spatial domain.

Citation Download Citation

Soobum Choi, Kang Seo, Cheng Zhang, and Sam-Shajing Sun "Morphological studies of a donor-bridge-acceptor block copolymer system", Proc. SPIE 6334, Organic Photovoltaics VII, 63340Z (3 November 2006); https://doi.org/10.1117/12.681023

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