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dc.contributor.authorWhitworth, Guy L.
dc.contributor.authorHarwell, Jonathan R.
dc.contributor.authorMiller, David N.
dc.contributor.authorHedley, Gordon J.
dc.contributor.authorZhang, Wei
dc.contributor.authorSnaith, Henry J.
dc.contributor.authorTurnbull, Graham A.
dc.contributor.authorSamuel, Ifor D. W.
dc.identifier.citationWhitworth , 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 .
dc.identifier.otherPURE: 246305235
dc.identifier.otherPURE UUID: ab387d8d-31d9-43f4-972e-47785d33ba3c
dc.identifier.otherWOS: 000388399100005
dc.identifier.otherWOS: 000388399100005
dc.identifier.otherScopus: 84992190531
dc.identifier.otherORCID: /0000-0002-2132-7091/work/31037441
dc.identifier.otherORCID: /0000-0002-2508-1965/work/90952156
dc.descriptionThis 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.en
dc.description.abstractHybrid 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.
dc.relation.ispartofOptics Expressen
dc.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:
dc.subjectQC Physicsen
dc.subjectT Technologyen
dc.titleNanoimprinted distributed feedback lasers of solution processed hybrid perovskitesen
dc.typeJournal articleen
dc.contributor.sponsorThe Royal Societyen
dc.description.versionPublisher PDFen
dc.contributor.institutionUniversity of St Andrews. School of Physics and Astronomyen
dc.contributor.institutionUniversity of St Andrews. School of Chemistryen
dc.contributor.institutionUniversity of St Andrews. Condensed Matter Physicsen
dc.description.statusPeer revieweden

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