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Polymer Transfer Printing: Application to Layer Coating, Pattern Definition, and Diode Dark Current Blocking

Authors

  • Lichun Chen,

    1. Experimental Solid State Physics Group, Blackett Laboratory Imperial College London Prince Consort Road, London SW7 2AZ (UK)
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  • Patrick Degenaar,

    1. Institute for Biomedical Engineering, Imperial College London Exhibition Road, London SW7 2AZ (UK)
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  • Donal D. C. Bradley

    Corresponding author
    1. Experimental Solid State Physics Group, Blackett Laboratory Imperial College London Prince Consort Road, London SW7 2AZ (UK)
    • Experimental Solid State Physics Group, Blackett Laboratory Imperial College London Prince Consort Road, London SW7 2AZ (UK).
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  • Based in part on a presentation at SID 2007, Long Beach, USA (May 24th 2007). We thank the Research Councils UK Basic Technology programme (GR/R87642 & EP/E045472) and the Royal Society Brian Mercer Bequest for Funding.

Abstract

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Fabrication of polymer multilayer structures has previously been difficult to achieve due to the need for solvent orthogonality to ensure that sequential deposition does not damage any underlying layers. In this paper we report an alternative approach based on a stamp transfer printing process. We demonstrate its suitability for uniform and patterned multilayer deposition (c.f. figure) and use it as a means to engineer enhanced performance photodiode structures.

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