Wafer-scale single-crystal perovskite patterned thin films based ongeometrically-confined lateral crystal growth

Collection with item attached
2017
Item details URL
http://open-repository.kisti.re.kr/cube/handle/open_repository/486955.do
DOI
10.1038/ncomms15882
Title
Wafer-scale single-crystal perovskite patterned thin films based ongeometrically-confined lateral crystal growth
Description
This work was supported by the Creative Materials Discovery Program(2015M3D1A1068061), and by the Nano . Material Technology DevelopmentProgram (2012M3A7B4034985) through the National Research Foundation ofKorea (NRF) funded by the Ministry of Science, ICT, and Future Planning.This work was also supported by a grant from the National ResearchFoundation of Korea (NRF) funded by the Korean government (MIST) (No.2014R1A2A1A10050257). The authors would like to thank Professor Tae KyuAhn in Department of Energy Science at SKKU for the TRPL measurement andanalysis.
abstract
We report a facile roll-printing method, geometrically confined lateral crystal growth, for the fabrication of large-scale, single-crystal CH3NH3PbI3 perovskite thin films. Geometrically confined lateral crystal growth is based on transfer of a perovskite ink solution via a patterned rolling mould to a heated substrate, where the solution crystallizes instantly with the immediate evaporation of the solvent. The striking feature of this method is that the instant crystallization of the feeding solution under geometrical confinement leads to the unidirectional lateral growth of single-crystal perovskites. Here, we fabricated single-crystal perovskites in the form of a patterned thin film (3 x 3 inch) with a high carrier mobility of 45.64 cm(2) V-1 s(-1). We also used these single-crystal perovskite thin films to construct solar cells with a lateral configuration. Their active-area power conversion efficiency shows a highest value of 4.83%, which exceeds the literature efficiency values of lateral perovskite solar cells.
provenance
Made available in Cube on 2018-09-28T16:21:23Z (GMT). No. of bitstreams: 0
language
English
author
Lee, Lynn
Baek, Jangmi
Park, Kyung Sun
Lee, Yong-EunKoo
Shrestha, Nabeen K.
Sung, Myung M.
orcid
Shrestha, Nabeen/0000-0002-4849-4121
accessioned
2018-09-28T16:21:23Z
available
2018-09-28T16:21:23Z
issued
2017
citation
NATURE COMMUNICATIONS(8)
issn
2041-1723
uri
http://open-repository.kisti.re.kr/cube/handle/open_repository/486955.do
Funder
교육부
Funding Program
BK21플러스사업(0.5)
Project ID
1345259695
Jurisdiction
Rep.of Korea
Project Name
Interface modification of solar cell using atomic layer deposition and infiltration (ALD and ALI)
rights
openAccess
type
article


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