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Solvent immersion nanoimprint lithography of fluorescent conjugated polymers

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Whitworth_2015_APL_Solvent.pdf (2.541Mb)
Date
19/10/2015
Author
Whitworth, Guy Luke
Zhang, Shuyu
Stevenson, James Robert Young
Ebenhoch, Bernd
Samuel, Ifor David William
Turnbull, Graham A.
Keywords
QC Physics
NDAS
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Abstract
Solvent immersion imprint lithography (SIIL) was used to directly nanostructure conjugated polymer films. The technique was used to create light-emitting diffractive optical elements and organic semiconductor lasers. Gratings with lateral features as small as 70 nm and depths of ∼25 nm were achieved in poly(9,9-dioctylfluorenyl-2,7-diyl). The angular emission from the patterned films was studied, comparing measurement to theoretical predictions. Organic distributed feedback lasers fabricated with SIIL exhibited thresholds for lasing of ∼40 kW/cm2, similar to those made with established nanoimprint processes. The results show that SIIL is a quick, convenient and practical technique for nanopatterning of polymer photonic devices.
Citation
Whitworth , G L , Zhang , S , Stevenson , J R Y , Ebenhoch , B , Samuel , I D W & Turnbull , G A 2015 , ' Solvent immersion nanoimprint lithography of fluorescent conjugated polymers ' , Applied Physics Letters , vol. 107 , no. 16 , 163301 . https://doi.org/10.1063/1.4933316
Publication
Applied Physics Letters
Status
Peer reviewed
DOI
https://doi.org/10.1063/1.4933316
ISSN
0003-6951
Type
Journal article
Rights
© 2015 AIP Publishing LLC. This work is made available online in accordance with the publisher’s policies. This is the final published version of the work, which was originally published at: http://dx.doi.org/10.1063/1.4933316
Description
This work was supported by Engineering and Physical Sciences Research Council (EPSRC) Programme Grants: (EP1J01771X), (EP/K00042X), (EP/J5005491), and (EP/K503162).
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  • University of St Andrews Research
URI
http://hdl.handle.net/10023/7756

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