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High speed growth of MAPbBr3single crystals: Via low-temperature inverting solubility: Enhancement of mobility and trap density for photodetector applications

Title
High speed growth of MAPbBr3single crystals: Via low-temperature inverting solubility: Enhancement of mobility and trap density for photodetector applications
Authors
Cho Y.Jung H.R.Kim Y.S.Kim Y.Park J.Yoon S.Lee Y.Cheon M.Jeong S.-Y.Jo W.
Ewha Authors
조윌렴윤석현
SCOPUS Author ID
조윌렴scopus; 윤석현scopus
Issue Date
2021
Journal Title
Nanoscale
ISSN
2040-3364JCR Link
Citation
Nanoscale vol. 13, no. 17, pp. 8275 - 8282
Publisher
Royal Society of Chemistry
Indexed
SCIE; SCOPUS WOS scopus
Document Type
Article
Abstract
There has been growing interest in organic-inorganic hybrid perovskites as a promising candidate for optoelectronic applications due to their superior physical properties. Despite this, most of the reported perovskite devices based on polycrystalline thin films suffer immensely from poor stability and high trap density owing to grain boundaries limiting their performance. Perovskite single crystal structures have been recently explored to construct stable devices and reduce the trap density compared to their thin-film counterparts. We present a novel method of growing sizable CH3NH3PbBr3 single crystals based on the high solubility characteristic of hybrid perovskites at low temperatures within inverse temperature crystallization. We compared both the crystallinity of perovskite single crystal structures and optoelectronic charge transport of single crystal photodetectors as a function of dissolution temperature. The performance of the photodetector fabricated with our large-scaled single crystal with high quality demonstrated low trap density, high mobility, and high photoresponse. This journal is © The Royal Society of Chemistry.
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DOI
10.1039/d1nr01600h
Appears in Collections:
자연과학대학 > 물리학전공 > Journal papers
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