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Nanoimprinted distributed feedback lasers of solution processed hybrid perovskites

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Whitworth_oe_24_21_23677_CC.pdf (1.933Mb)
Date
03/10/2016
Author
Whitworth, Guy L.
Harwell, Jonathan R.
Miller, David N.
Hedley, Gordon J.
Zhang, Wei
Snaith, Henry J.
Turnbull, Graham A.
Samuel, Ifor D. W.
Funder
EPSRC
The Royal Society
EPSRC
Grant ID
EP/M025330/1
EP/K031252/1
Keywords
QC Physics
T Technology
DAS
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Abstract
Hybrid perovskite materials have considerable potential for light emitting devices such as LEDs and lasers. We combine solution processed CH3NH3PbI3 perovskite with UV nanoimprinted polymer gratings to fabricate distributed feedback (DFB) lasers. The lead acetate deposition route is shown to be an effective method for fabricating low-loss waveguides (loss coefficient ~6 cm-1) and highly compatible with the polymer grating substrates. The nanoimprinted perovskite exhibited single-mode band-edge lasing, confirmed by angle-dependent transmission measurements. Depending on the excitation pulse duration the lasing threshold shows a value of 110 μJ/cm2 under nanosecond pumping and 4 μJ/cm2 under femtosecond pumping. We demonstrate further that this laser has excellent stability with a lifetime of 108 pulses.
Citation
Whitworth , G L , Harwell , J R , Miller , D N , Hedley , G J , Zhang , W , Snaith , H J , Turnbull , G A & Samuel , I D W 2016 , ' Nanoimprinted distributed feedback lasers of solution processed hybrid perovskites ' , Optics Express , vol. 24 , no. 21 , pp. 23677-23684 . https://doi.org/10.1364/OE.24.023677
Publication
Optics Express
Status
Peer reviewed
DOI
https://doi.org/10.1364/OE.24.023677
ISSN
1094-4087
Type
Journal article
Rights
(c) Copyright 2016 OSA and authors. Published by The Optical Society under the terms of the Creative Commons Attribution 4.0 License. Further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI: https://doi.org/10.1364/OE.24.023677
Description
This work was supported by the Engineering and Physical Sciences Research Council (EPSRC) of the UK Grants; EP/K503162/1, EP/M506631/1, EP/M025330/1 and EP/L017008/1. IDWS acknowledges funding from a Royal Society Wolfson research merit award.
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  • University of St Andrews Research
URI
http://hdl.handle.net/10023/9609

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