Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/155174
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dc.contributor.authorMuhammad Avicenna Naradipaen_US
dc.contributor.authorXie, Aozhenen_US
dc.contributor.authorArramelen_US
dc.contributor.authorYin, Xinmaoen_US
dc.contributor.authorTang, Chi Sinen_US
dc.contributor.authorMuhammad Fauzi Sahdanen_US
dc.contributor.authorAsmara, Teguh Citraen_US
dc.contributor.authorDang, Cuongen_US
dc.contributor.authorMuhammad Danang Birowosutoen_US
dc.contributor.authorWee, Andrew Thye Shenen_US
dc.contributor.authorRusydi, Andrivoen_US
dc.date.accessioned2022-02-15T08:02:50Z-
dc.date.available2022-02-15T08:02:50Z-
dc.date.issued2020-
dc.identifier.citationMuhammad Avicenna Naradipa, Xie, A., Arramel, Yin, X., Tang, C. S., Muhammad Fauzi Sahdan, Asmara, T. C., Dang, C., Muhammad Danang Birowosuto, Wee, A. T. S. & Rusydi, A. (2020). Spin correlated-plasmons at room temperature driven by electronic correlations in lead-free 2D hybrid organic-inorganic perovskites. Journal of Physical Chemistry C, 124(26), 14272-14278. https://dx.doi.org/10.1021/acs.jpcc.0c01918en_US
dc.identifier.issn1932-7447en_US
dc.identifier.urihttps://hdl.handle.net/10356/155174-
dc.description.abstractHybrid organic-inorganic perovskites (HOIPs) have emerged to the forefront of optoelectronic material advancements for the past few years. However, our understanding on electronic structure and correlations are still lacking. Herewith, by simultaneously analyzing complex dielectric function, loss functions, and reflectivity directly obtained from spectroscopic ellipsometry and supported with theoretical calculations, we report new spin correlated-plasmons with low loss in (MA)2CuCl4. Photoluminescence and time-resolved photoluminescence measurements show a broadband emission band originating from the self-trapped emission excitons. Through X-ray absorption spectroscopy and resonant photoemission spectroscopy measurements at the C K-edge, a resonance enhancement peak is observed and unravels a charge transfer event due to the opening of an extra autoionization channel. Our result shows the importance of coupling between spin correlated-plasmons and electron-hole pairs together with spin-dependent exchange interaction in determining electronic structure and optical properties of HOIPS.en_US
dc.description.sponsorshipMinistry of Education (MOE)en_US
dc.description.sponsorshipNational Research Foundation (NRF)en_US
dc.language.isoenen_US
dc.relationMOE2017 T2-1-135en_US
dc.relationMOE2018-T2-1- 088en_US
dc.relationMOE2018-T2-2-117en_US
dc.relationMOE2019-T2-1-163en_US
dc.relationMOE2014-T3-1-004en_US
dc.relationR144-000-423-114en_US
dc.relationR-144-000-398-114en_US
dc.relationR-144-000-379-114en_US
dc.relationR-144-000-368-112en_US
dc.relationNo. R-398-000- 087-281en_US
dc.relationMOE2016-T2-1-052en_US
dc.relation.ispartofJournal of Physical Chemistry Cen_US
dc.rights© 2020 American Chemical Society. All rights reserved.en_US
dc.subjectEngineering::Electrical and electronic engineeringen_US
dc.titleSpin correlated-plasmons at room temperature driven by electronic correlations in lead-free 2D hybrid organic-inorganic perovskitesen_US
dc.typeJournal Articleen
dc.contributor.schoolSchool of Electrical and Electronic Engineeringen_US
dc.identifier.doi10.1021/acs.jpcc.0c01918-
dc.identifier.scopus2-s2.0-85089899194-
dc.identifier.issue26en_US
dc.identifier.volume124en_US
dc.identifier.spage14272en_US
dc.identifier.epage14278en_US
dc.subject.keywordsExcitonsen_US
dc.subject.keywordsCrystal Structureen_US
dc.description.acknowledgementThis work is supported by the Singapore Ministry of Education (MOE) AcRF Tier-2 (MOE2017 T2-1-135, MOE2018-T2-1- 088, MOE2018-T2-2-117, and MOE2019-T2-1-163), MOE AcRF Tier-3 (MOE2014-T3-1-004), MOE-AcRF Tier-1 (R144-000-423-114, R-144-000-398-114, R-144-000-379-114 and R-144-000-368-112), the Singapore National Research Foundation under its Competitive Research Funding (No. R-398-000- 087-281) and under its Medium Sized Centre Program (Centre for Advanced 2D Materials and Graphene Research Centre), NUS YIA, and the 2015 PHC Merlion Project. NTU authors acknowledge the MOE-AcRF Tier-2 (MOE2016-T2-1-052). The authors acknowledge the Singapore Synchrotron Light Source (SSLS) for providing the facility necessary for conducting the research. The Laboratory is a National Research Infrastructure under the National Research Foundation Singapore.en_US
item.fulltextNo Fulltext-
item.grantfulltextnone-
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