The Surface of Hybrid Perovskite Crystals: A Boon or Bane

Handle URI:
http://hdl.handle.net/10754/623922
Title:
The Surface of Hybrid Perovskite Crystals: A Boon or Bane
Authors:
Banavoth, Murali ( 0000-0002-7806-2274 ) ; Yengel, Emre ( 0000-0001-7208-4803 ) ; Yang, Chen; Peng, Wei ( 0000-0002-7168-9795 ) ; Alarousu, Erkki; Bakr, Osman M. ( 0000-0002-3428-1002 ) ; Mohammed, Omar F. ( 0000-0001-8500-1130 )
Abstract:
Hybrid perovskite single crystals have garnered tremendous research attention and are expected to be next-generation materials for high-efficiency photoactive devices. Therefore, it is fundamentally important to understand the 8 relationship between the optoelectronic properties of these materials and the marginally exploited surface chemistry in ambient air. For instance, a strong surface disorder, including hydration and ion migration, can possibly lead to extremely different optical and electronic properties at the surface compared to the bulk of the single crystal (SC). From this perspective, we evaluate the key variables that underlie the perovskite SC surface restructuring in ambient air and discuss their merits and limitations. In addition, a comprehensive picture of surface disordering, the remarkable change in the charge carrier dynamics and carrier mobility, surface hydration, and the effect of ion migration on the surface behavior will be discussed. Finally, surface passivation methods are highlighted to resolve or overcome the challenges for device integration.
KAUST Department:
Physical Sciences and Engineering (PSE) Division
Citation:
Murali B, Yengel E, Yang C, Peng W, Alarousu E, et al. (2017) The Surface of Hybrid Perovskite Crystals: A Boon or Bane. ACS Energy Letters 2: 846–856. Available: http://dx.doi.org/10.1021/acsenergylett.6b00680.
Publisher:
American Chemical Society (ACS)
Journal:
ACS Energy Letters
Issue Date:
3-Mar-2017
DOI:
10.1021/acsenergylett.6b00680
Type:
Article
ISSN:
2380-8195; 2380-8195
Sponsors:
King Abdullah University of Science and Technology (KAUST) supported the work reported here.
Additional Links:
http://pubs.acs.org/doi/full/10.1021/acsenergylett.6b00680
Appears in Collections:
Articles; Physical Sciences and Engineering (PSE) Division

Full metadata record

DC FieldValue Language
dc.contributor.authorBanavoth, Muralien
dc.contributor.authorYengel, Emreen
dc.contributor.authorYang, Chenen
dc.contributor.authorPeng, Weien
dc.contributor.authorAlarousu, Erkkien
dc.contributor.authorBakr, Osman M.en
dc.contributor.authorMohammed, Omar F.en
dc.date.accessioned2017-05-31T11:23:13Z-
dc.date.available2017-05-31T11:23:13Z-
dc.date.issued2017-03-03en
dc.identifier.citationMurali B, Yengel E, Yang C, Peng W, Alarousu E, et al. (2017) The Surface of Hybrid Perovskite Crystals: A Boon or Bane. ACS Energy Letters 2: 846–856. Available: http://dx.doi.org/10.1021/acsenergylett.6b00680.en
dc.identifier.issn2380-8195en
dc.identifier.issn2380-8195en
dc.identifier.doi10.1021/acsenergylett.6b00680en
dc.identifier.urihttp://hdl.handle.net/10754/623922-
dc.description.abstractHybrid perovskite single crystals have garnered tremendous research attention and are expected to be next-generation materials for high-efficiency photoactive devices. Therefore, it is fundamentally important to understand the 8 relationship between the optoelectronic properties of these materials and the marginally exploited surface chemistry in ambient air. For instance, a strong surface disorder, including hydration and ion migration, can possibly lead to extremely different optical and electronic properties at the surface compared to the bulk of the single crystal (SC). From this perspective, we evaluate the key variables that underlie the perovskite SC surface restructuring in ambient air and discuss their merits and limitations. In addition, a comprehensive picture of surface disordering, the remarkable change in the charge carrier dynamics and carrier mobility, surface hydration, and the effect of ion migration on the surface behavior will be discussed. Finally, surface passivation methods are highlighted to resolve or overcome the challenges for device integration.en
dc.description.sponsorshipKing Abdullah University of Science and Technology (KAUST) supported the work reported here.en
dc.publisherAmerican Chemical Society (ACS)en
dc.relation.urlhttp://pubs.acs.org/doi/full/10.1021/acsenergylett.6b00680en
dc.titleThe Surface of Hybrid Perovskite Crystals: A Boon or Baneen
dc.typeArticleen
dc.contributor.departmentPhysical Sciences and Engineering (PSE) Divisionen
dc.identifier.journalACS Energy Lettersen
kaust.authorBanavoth, Muralien
kaust.authorYengel, Emreen
kaust.authorYang, Chenen
kaust.authorPeng, Weien
kaust.authorAlarousu, Erkkien
kaust.authorBakr, Osman M.en
kaust.authorMohammed, Omar F.en
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