Block Copolymer Strategies for Solar Cell Technology

  • Topham P
  • Parnell A
  • Hiorns R
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A simple overview of the methods used and the expected benefits of block copolymers in organic photovoltaic devices is given in this review. The description of the photovoltaic process makes it clear how the detailed self-assembly properties of block copolymers can be exploited. Organic photovoltaic technology, an inexpensive, clean and renewable energy source, is an extremely promising option for replacing fossil fuels. It is expected to deliver printable devices processed on flexible substrates using high-volume techniques. Such devices, however, currently lack the long-term stability and efficiency to allow organic photovoltaics to surpass current technologies. Block copolymers are envisaged to help overcome these obstacles because of their long term structural stability and their solid-state morphology being of the appropriate dimensions to efficiently perform charge collection and transfer to electrodes. (C) 2011 Wiley Periodicals, Inc. J Polym Sci Part B: Polym Phys 49: 1131-1156, 2011

Author-supplied keywords

  • block copolymers
  • conjugated polymers
  • diblock copolymer
  • donor-acceptor heterojunctions
  • heterojunction photovoltaic cells
  • microphase separation
  • molecular-weight
  • nanotechnology
  • organic photovoltaics
  • photophysics
  • radical polymerization
  • rod-coil
  • self-assembly
  • self-organization
  • solar cells
  • thin-film transistors

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  • P D Topham

  • A J Parnell

  • R C Hiorns

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