Solvent-dependent self-assembly of two dimensional layered perovskite (C6H5CH2CH2NH3)2MCl4 (M = Cu, Mn) thin films in ambient humidity

Abstract Two dimensional layered organic-inorganic halide perovskites offer a wide variety of novel functionality such as solar cell and optoelectronics and magnetism. Self-assembly of these materials using solution process (ex. spin coating) makes crystalline thin films synthesized at ambient envir...

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Autores principales:	Garam Park, In-Hwan Oh, J. M. Sungil Park, Jinyong Jung, Chun-Yeol You, June-Seo Kim, Yonghwan Kim, Jong Hoon Jung, Namjung Hur, Younghak Kim, J.-Y. Kim, Chang Seop Hong, Ki-Yeon Kim
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2018
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/b786ee8fe32d4df59eae7dd88f95a339
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spelling	oai:doaj.org-article:b786ee8fe32d4df59eae7dd88f95a3392021-12-02T15:08:24ZSolvent-dependent self-assembly of two dimensional layered perovskite (C6H5CH2CH2NH3)2MCl4 (M = Cu, Mn) thin films in ambient humidity10.1038/s41598-018-23012-22045-2322https://doaj.org/article/b786ee8fe32d4df59eae7dd88f95a3392018-03-01T00:00:00Zhttps://doi.org/10.1038/s41598-018-23012-2https://doaj.org/toc/2045-2322Abstract Two dimensional layered organic-inorganic halide perovskites offer a wide variety of novel functionality such as solar cell and optoelectronics and magnetism. Self-assembly of these materials using solution process (ex. spin coating) makes crystalline thin films synthesized at ambient environment. However, flexibility of organic layer also poses a structure stability issue in perovskite thin films against environment factors (ex. moisture). In this study, we investigate the effect of solvents and moisture on structure and property in the (C6H5(CH2)2NH3)2(Cu, Mn)Cl4 (Cu-PEA, Mn-PEA) perovskite thin films spin-coated on Si wafer using three solvents (H2O, MeOH, MeOH + H2O). A combination of x-ray diffraction (XRD) and x-ray absorption spectroscopy (XAS) show that relative humidity (RH) has a profound effect on perovskite thin films during sample synthesis and storage, depending on the kind of solvent used. The ones prepared using water (Cu-PEA:H2O, Mn-PEA:H2O) show quite different behavior from the other cases. According to time-dependent XRD, reversible crystalline-amorphous transition takes place depending on RH in the former cases, whereas the latter cases relatively remain stable. It also turns out from XAS that Mn-PEA thin films prepared with solvents such as MeOH and MeOH + H2O are disordered to the depth of about 4 nm from surface.Garam ParkIn-Hwan OhJ. M. Sungil ParkJinyong JungChun-Yeol YouJune-Seo KimYonghwan KimJong Hoon JungNamjung HurYounghak KimJ.-Y. KimChang Seop HongKi-Yeon KimNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 8, Iss 1, Pp 1-10 (2018)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Garam Park In-Hwan Oh J. M. Sungil Park Jinyong Jung Chun-Yeol You June-Seo Kim Yonghwan Kim Jong Hoon Jung Namjung Hur Younghak Kim J.-Y. Kim Chang Seop Hong Ki-Yeon Kim Solvent-dependent self-assembly of two dimensional layered perovskite (C6H5CH2CH2NH3)2MCl4 (M = Cu, Mn) thin films in ambient humidity
description	Abstract Two dimensional layered organic-inorganic halide perovskites offer a wide variety of novel functionality such as solar cell and optoelectronics and magnetism. Self-assembly of these materials using solution process (ex. spin coating) makes crystalline thin films synthesized at ambient environment. However, flexibility of organic layer also poses a structure stability issue in perovskite thin films against environment factors (ex. moisture). In this study, we investigate the effect of solvents and moisture on structure and property in the (C6H5(CH2)2NH3)2(Cu, Mn)Cl4 (Cu-PEA, Mn-PEA) perovskite thin films spin-coated on Si wafer using three solvents (H2O, MeOH, MeOH + H2O). A combination of x-ray diffraction (XRD) and x-ray absorption spectroscopy (XAS) show that relative humidity (RH) has a profound effect on perovskite thin films during sample synthesis and storage, depending on the kind of solvent used. The ones prepared using water (Cu-PEA:H2O, Mn-PEA:H2O) show quite different behavior from the other cases. According to time-dependent XRD, reversible crystalline-amorphous transition takes place depending on RH in the former cases, whereas the latter cases relatively remain stable. It also turns out from XAS that Mn-PEA thin films prepared with solvents such as MeOH and MeOH + H2O are disordered to the depth of about 4 nm from surface.
format	article
author	Garam Park In-Hwan Oh J. M. Sungil Park Jinyong Jung Chun-Yeol You June-Seo Kim Yonghwan Kim Jong Hoon Jung Namjung Hur Younghak Kim J.-Y. Kim Chang Seop Hong Ki-Yeon Kim
author_facet	Garam Park In-Hwan Oh J. M. Sungil Park Jinyong Jung Chun-Yeol You June-Seo Kim Yonghwan Kim Jong Hoon Jung Namjung Hur Younghak Kim J.-Y. Kim Chang Seop Hong Ki-Yeon Kim
author_sort	Garam Park
title	Solvent-dependent self-assembly of two dimensional layered perovskite (C6H5CH2CH2NH3)2MCl4 (M = Cu, Mn) thin films in ambient humidity
title_short	Solvent-dependent self-assembly of two dimensional layered perovskite (C6H5CH2CH2NH3)2MCl4 (M = Cu, Mn) thin films in ambient humidity
title_full	Solvent-dependent self-assembly of two dimensional layered perovskite (C6H5CH2CH2NH3)2MCl4 (M = Cu, Mn) thin films in ambient humidity
title_fullStr	Solvent-dependent self-assembly of two dimensional layered perovskite (C6H5CH2CH2NH3)2MCl4 (M = Cu, Mn) thin films in ambient humidity
title_full_unstemmed	Solvent-dependent self-assembly of two dimensional layered perovskite (C6H5CH2CH2NH3)2MCl4 (M = Cu, Mn) thin films in ambient humidity
title_sort	solvent-dependent self-assembly of two dimensional layered perovskite (c6h5ch2ch2nh3)2mcl4 (m = cu, mn) thin films in ambient humidity
publisher	Nature Portfolio
publishDate	2018
url	https://doaj.org/article/b786ee8fe32d4df59eae7dd88f95a339
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Solvent-dependent self-assembly of two dimensional layered perovskite (C6H5CH2CH2NH3)2MCl4 (M = Cu, Mn) thin films in ambient humidity

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