Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/141421
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dc.contributor.authorShen, Chaoen_US
dc.contributor.authorDu, Wennaen_US
dc.contributor.authorWu, Zhiyongen_US
dc.contributor.authorXing, Junen_US
dc.contributor.authorHa, Son Tungen_US
dc.contributor.authorShang, Qiuyuen_US
dc.contributor.authorXu, Weigaoen_US
dc.contributor.authorXiong, Qihuaen_US
dc.contributor.authorLiu, Xinfengen_US
dc.contributor.authorZhang, Qingen_US
dc.date.accessioned2020-06-08T06:41:52Z-
dc.date.available2020-06-08T06:41:52Z-
dc.date.issued2017-
dc.identifier.citationShen, C., Du, W., Wu, Z., Xing, J., Ha, S. T., Shang, Q., . . . Zhang, Q. (2017). Thermal conductivity of suspended single crystal CH3NH3PbI3 platelets at room temperature. Nanoscale, 9(24), 8281-8287. doi:10.1039/c7nr01894ken_US
dc.identifier.issn2040-3364en_US
dc.identifier.urihttps://hdl.handle.net/10356/141421-
dc.description.abstractRecently, organic–inorganic lead halide perovskites have gained great attention for their breakthrough in photovoltaic and optoelectronics. However, their thermal transport properties that affect the device lifetime and stability are still rarely explored. In this work, the thermal conductivity properties of single crystal CH3NH3PbI3 platelets grown by chemical vapor deposition are studied via non-contact micro-photoluminescence (PL) spectroscopy. We developed a measurement methodology and derived expressions suitable for the thermal conductivity extraction for micro-sized perovskites. The room temperature thermal conductivity of ∼0.14 ± 0.02 W m−1 K−1 is extracted from the dependence of the PL peak energy on the excitation laser power. On changing the film thickness from 80 to 400 nm, the thermal conductivity does not show noticeable variations, indicating the minimal substrate effects due to the advantage of the suspended configuration. The ultra-low thermal conductivity of perovskites, especially thin films, suggests their promising applications for thermal isolation, such as thermal insulation and thermo-electricity.en_US
dc.description.sponsorshipNRF (Natl Research Foundation, S’pore)en_US
dc.description.sponsorshipMOE (Min. of Education, S’pore)en_US
dc.language.isoenen_US
dc.relation.ispartofNanoscaleen_US
dc.rights© 2017 The Royal Society of Chemistry. All rights reserved. This paper was published in Nanoscale and is made available with permission of The Royal Society of Chemistry.en_US
dc.subjectScience::Physicsen_US
dc.titleThermal conductivity of suspended single crystal CH3NH3PbI3 platelets at room temperatureen_US
dc.typeJournal Articleen
dc.contributor.schoolSchool of Physical and Mathematical Sciencesen_US
dc.identifier.doi10.1039/c7nr01894k-
dc.description.versionAccepted versionen_US
dc.identifier.pmid28585960-
dc.identifier.scopus2-s2.0-85021824688-
dc.identifier.issue24en_US
dc.identifier.volume9en_US
dc.identifier.spage8281en_US
dc.identifier.epage8287en_US
dc.subject.keywordsThermal Conductivityen_US
dc.subject.keywordsCH3NH3PbI3 Plateletsen_US
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