Paper Title:
Synthesis and Photovoltaic Properties of Fluorene-Based Copolymers
  Abstract

A serial of polyfluorene copolymers have been developed by covalently attaching thiophene units to the side chain of polyfluorene with an alkyl spacer by means of Pd-catalyzed Suzuki coupling reactions. The electrochemical, photophysical and photovoltaic properties of the copolymers were studied. The absorption spectra of the copolymers measured in thin films display two absorption peaks. The power conversion efficiency achieved in the device configuration ITO/PEDT/ PFO-FT-DBT: PCBM (1:2)/Al is 0.83% with open-circuit voltage (Voc) 0.75V. Further investigation of more polyfluorene copolymers with narrow band gap aryl-hetero cycle units on the side chain is in progress.

  Info
Periodical
Advanced Materials Research (Volumes 150-151)
Edited by
Jinglong Bu, Zhengyi Jiang and Sihai Jiao
Pages
340-343
DOI
10.4028/www.scientific.net/AMR.150-151.340
Citation
Q. Hou, X. H. Zeng, H. Y. Zhen, G. L. Li, T. Guo, X. Xu, "Synthesis and Photovoltaic Properties of Fluorene-Based Copolymers", Advanced Materials Research, Vols. 150-151, pp. 340-343, 2011
Online since
October 2010
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