Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/104898
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dc.contributor.authorMathews, Nripanen
dc.contributor.authorGan, Chee Kwanen
dc.contributor.authorChong, Wee Kiangen
dc.contributor.authorXing, Guichuanen
dc.contributor.authorLiu, Yunen
dc.contributor.authorGui, Ee Lingen
dc.contributor.authorZhang, Qingen
dc.contributor.authorXiong, Qihuaen
dc.contributor.authorSum, Tze Chienen
dc.date.accessioned2014-08-25T02:52:23Zen
dc.date.accessioned2019-12-06T21:42:14Z-
dc.date.available2014-08-25T02:52:23Zen
dc.date.available2019-12-06T21:42:14Z-
dc.date.copyright2014en
dc.date.issued2014en
dc.identifier.citationChong, W. K., Xing, G., Liu, Y., Gui, E. L., Zhang, Q., Xiong, Q., et al. (2014). Direct measurement of coherent phonon dynamics in solution-processed stibnite thin films. Physical Review B, 90(3), 035208-.en
dc.identifier.issn1098-0121en
dc.identifier.urihttps://hdl.handle.net/10356/104898-
dc.description.abstractWe report observations of coherent phonon oscillations in solution-processed polycrystalline stibnite (Sb2S3) photovoltaic thin films using transient absorption spectroscopy. Detailed optical spectroscopy correlated by extensive first-principles lattice dynamics calculations indicates that the coherent B3g longitudinal optical phonon mode with a frequency of 63.74 ± 0.05 cm−1 (or 1.911 ± 0.002 THz) at room temperature is generated via the impulsive stimulated-Raman-scattering mechanism. These strong electron-phonon interactions indicate a dominant energy-loss channel in these materials that could impose a fundamental limit on their solar energy conversion efficiency.en
dc.language.isoenen
dc.relation.ispartofseriesPhysical review Ben
dc.rights© 2014 American Physical Society. This paper was published in Physical Review B and is made available as an electronic reprint (preprint) with permission of American Physical Society. The paper can be found at the following official DOI: http://dx.doi.org/10.1103/PhysRevB.90.035208.  One print or electronic copy may be made for personal use only. Systematic or multiple reproduction, distribution to multiple locations via electronic or other means, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper is prohibited and is subject to penalties under law.en
dc.subjectDRNTU::Science::Physicsen
dc.titleDirect measurement of coherent phonon dynamics in solution-processed stibnite thin filmsen
dc.typeJournal Articleen
dc.contributor.schoolSchool of Electrical and Electronic Engineeringen
dc.contributor.schoolSchool of Materials Science & Engineeringen
dc.contributor.schoolSchool of Physical and Mathematical Sciencesen
dc.contributor.researchEnergy Research Institute @ NTU (ERI@N)en
dc.contributor.researchResearch Techno Plazaen
dc.identifier.doi10.1103/PhysRevB.90.035208en
dc.description.versionPublished versionen
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