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8 - Other Arylene-Based Polymers

Published online by Cambridge University Press:  28 March 2024

Andrew Grimsdale
Affiliation:
Nanyang Technological University, Singapore
Paul Dastoor
Affiliation:
University of Newcastle, New South Wales
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Summary

This chapter discusses how to tune the orbital energy levels and bandgaps of copolymers containing arylene and/or heteroarylene units, so as to obtain materials for high efficiency LEDs, TFTs and OPVs. By careful selection of the structures, and optimisation of the molar masses, polymers have been made which show very high charge carrier mobilities due to efficient charge transport. Here control of the solid-state packing is important but high crystallinity does not seem to be necessary. Transistors can be made with mobilities superior to that of amorphous silicon, though their commercial viability remains unproven. Careful control of bandgaps, molar masses and solid-state order combined with the development of new acceptor molecules has led to the fabrication of OPV devices with efficiencies close to 20%, which is better than many commercial solar cells. The commercial viability of OPVs remains to be demonstrated with device lifetimes still needing improvement, but these results combined with the low cost of making and processing conjugated polymers suggests such devices could be competitive with current ones with further optimisation.

Type
Chapter
Information
Conjugated Polymers for Organic Electronics
Design and Synthesis
, pp. 117 - 148
Publisher: Cambridge University Press
Print publication year: 2024

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  • Other Arylene-Based Polymers
  • Andrew Grimsdale, Nanyang Technological University, Singapore, Paul Dastoor, University of Newcastle, New South Wales
  • Book: Conjugated Polymers for Organic Electronics
  • Online publication: 28 March 2024
  • Chapter DOI: https://doi.org/10.1017/9781139035262.009
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  • Other Arylene-Based Polymers
  • Andrew Grimsdale, Nanyang Technological University, Singapore, Paul Dastoor, University of Newcastle, New South Wales
  • Book: Conjugated Polymers for Organic Electronics
  • Online publication: 28 March 2024
  • Chapter DOI: https://doi.org/10.1017/9781139035262.009
Available formats
×

Save book to Google Drive

To save content items to your account, please confirm that you agree to abide by our usage policies. If this is the first time you use this feature, you will be asked to authorise Cambridge Core to connect with your account. Find out more about saving content to Google Drive.

  • Other Arylene-Based Polymers
  • Andrew Grimsdale, Nanyang Technological University, Singapore, Paul Dastoor, University of Newcastle, New South Wales
  • Book: Conjugated Polymers for Organic Electronics
  • Online publication: 28 March 2024
  • Chapter DOI: https://doi.org/10.1017/9781139035262.009
Available formats
×