Investigation on the facet-dependent anisotropy in halide perovskite single crystals

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dc.authorid0000-0001-9852-7246en_US
dc.contributor.authorParikh, Nishi
dc.contributor.authorPandey, Manoj
dc.contributor.authorProchowicz, Daniel
dc.contributor.authorKalam, Abul
dc.contributor.authorTavakoli, Mohammad Mahdi
dc.contributor.authorSatapathi, Soumitra
dc.contributor.authorAkın, Seçkin
dc.contributor.authorYadav, Pankaj
dc.date.accessioned2022-06-23T07:50:57Z
dc.date.available2022-06-23T07:50:57Z
dc.date.issued2022en_US
dc.departmentKMÜ, Mühendislik Fakültesi, Metalurji ve Malzeme Mühendisliği Bölümüen_US
dc.descriptionWOS:000820462000001
dc.description.abstractMetal halide perovskite (MHP) single crystals (SCs) are proven to possess superior optoelectronic properties compared to those of their polycrystalline thin film analogues. With the advancement and progress in the study of MHP SCs, it is found that the properties at the surface and bulk of SCs are significantly different. However, there are only a few studies present for the facet-dependent performance of MHP SCs. In this work, we have systematically investigated the anisotropic properties of naturally exposed facets ((100) and (112)) in MAPbI3 SCs. We studied the influence of temperature and illumination on the properties of these facets. It was found that hysteresis at the (112) facet is higher than that at the (100) facet because of the higher trap density of 1.17 × 1013 cm-3 at this facet as compared to the trap density of 2.11 × 1012 cm-3 for the (100) facet. Although there exist different kinds of defects at both the facets, the ion migration mechanism remains the same at both facets, which is confirmed by the obtained almost same activation energy of 0.378 and 0.308 eV for (100) and (112) facets, respectively, for ion migration. The photocurrent, responsivity, and EQE values further confirm anisotropic properties of both the facets in MAPbI3 SCs although they are the same from the crystallography point of view. Thus, this study provides a detailed and systematic investigation of the facet-dependent properties in MHP SCs.en_US
dc.identifier.citationParikh, N., Pandey, M., Prochowicz, D., Kalam, A., Tavakoli, M. M., Satapathi, S., . . . Yadav, P. (2022). Investigation on the facet-dependent anisotropy in halide perovskite single crystals. Journal of Physical Chemistry C, doi:10.1021/acs.jpcc.2c01743en_US
dc.identifier.doi10.1021/acs.jpcc.2c01743
dc.identifier.issn1932-7447
dc.identifier.scopus2-s2.0-85131591404
dc.identifier.scopusqualityQ1
dc.identifier.urihttps://doi.org/10.1021/acs.jpcc.2c01743
dc.identifier.urihttps://hdl.handle.net/11492/6374
dc.identifier.wosWOS:000820462000001
dc.identifier.wosqualityQ2
dc.indekslendigikaynakWeb of Sceince
dc.indekslendigikaynakScopus
dc.institutionauthorAkın, Seçkin
dc.language.isoen
dc.publisherAmerican Chemical Societyen_US
dc.relation.journalJournal of Physical Chemistry Cen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.titleInvestigation on the facet-dependent anisotropy in halide perovskite single crystalsen_US
dc.typeArticle

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