Low trap-state density and long carrier diffusion in organolead trihalide perovskite single crystals
Type
ArticleAuthors
Shi, Dong
Adinolfi, Valerio
Comin, Riccardo
Yuan, Mingjian
Alarousu, Erkki
Buin, Andrei K.
Chen, Yin
Hoogland, Sjoerd H.
Rothenberger, Alexander
Katsiev, Khabiboulakh
Losovyj, Yaroslav B.
Zhang, Xin
Dowben, Peter A.
Mohammed, Omar F.

Sargent, E. H.
Bakr, Osman

KAUST Department
Chemical Science ProgramFunctional Nanomaterials Lab (FuNL)
KAUST Catalysis Center (KCC)
KAUST Solar Center (KSC)
Material Science and Engineering Program
Physical Science and Engineering (PSE) Division
Ultrafast Laser Spectroscopy and Four-dimensional Electron Imaging Research Group
KAUST Grant Number
KUS-11-009-21Date
2015-01-29Online Publication Date
2015-01-29Print Publication Date
2015-01-30Permanent link to this record
http://hdl.handle.net/10754/564024
Metadata
Show full item recordAbstract
The fundamental properties and ultimate performance limits of organolead trihalide MAPbX3(MA = CH3NH3 +; X = Br- or I- ) perovskites remain obscured by extensive disorder in polycrystalline MAPbX3 films. We report an antisolvent vapor-assisted crystallization approach that enables us to create sizable crack-free MAPbX3 single crystals with volumes exceeding 100 cubic millimeters. These large single crystals enabled a detailed characterization of their optical and charge transport characteristics.We observed exceptionally low trap-state densities on the order of 109 to 1010 per cubic centimeter in MAPbX3 single crystals (comparable to the best photovoltaic-quality silicon) and charge carrier diffusion lengths exceeding 10 micrometers. These results were validated with density functional theory calculations.Citation
Shi, D., Adinolfi, V., Comin, R., Yuan, M., Alarousu, E., Buin, A., … Bakr, O. M. (2015). Low trap-state density and long carrier diffusion in organolead trihalide perovskite single crystals. Science, 347(6221), 519–522. doi:10.1126/science.aaa2725Sponsors
We thank N. Kherani, B. Ramautarsingh, A. Flood, and P. O'Brien for the use of the Hall setup. Supported by KAUST (O.M.B.) and by KAUST award KUS-11-009-21, the Ontario Research Fund Research Excellence Program, and the Natural Sciences and Engineering Research Council of Canada (E.H.S.).Journal
SciencePubMed ID
25635092Additional Links
https://digitalcommons.unl.edu/cgi/viewcontent.cgi?article=1268&context=physicsdowbenae974a485f413a2113503eed53cd6c53
10.1126/science.aaa2725
Scopus Count
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