Hybrid perovskite solar cells fabricated from guanidine hydroiodide and tin iodide

Abstract For the search of new metal-halide perovskite solar cell materials, tolerance factors are calculated from the ionic radius of each site and are often utilized as the critical factors to expect the materials forming perovskite structure. As one of such amine hydrohalides, guanidine hydroiodi...

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Autores principales:	Hironobu Ishibashi, Mikimasa Katayama, Senku Tanaka, Toshihiko Kaji
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2017
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/b16471f16d5344b583b2830d23739d4b
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spelling	oai:doaj.org-article:b16471f16d5344b583b2830d23739d4b2021-12-02T11:52:20ZHybrid perovskite solar cells fabricated from guanidine hydroiodide and tin iodide10.1038/s41598-017-05317-w2045-2322https://doaj.org/article/b16471f16d5344b583b2830d23739d4b2017-07-01T00:00:00Zhttps://doi.org/10.1038/s41598-017-05317-whttps://doaj.org/toc/2045-2322Abstract For the search of new metal-halide perovskite solar cell materials, tolerance factors are calculated from the ionic radius of each site and are often utilized as the critical factors to expect the materials forming perovskite structure. As one of such amine hydrohalides, guanidine hydroiodide (GI) is reported not to react with PbI2. However, in this paper, we report the product of GI and SnI2 reaction, its visible light absorption, X-ray diffraction, and its solar cell operation, in spite of the more disadvantageous tolerance factor of SnI2 than PbI2. We also report the thermal stability of GI, enabling precise control of vacuum deposition, and utilization of co-evaporant induced crystallization method during the vacuum evaporation of the SnI2 film, which resulted in enlarging the SnI2 crystals and improving the short circuit current density of the solar cell.Hironobu IshibashiMikimasa KatayamaSenku TanakaToshihiko KajiNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 7, Iss 1, Pp 1-6 (2017)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Hironobu Ishibashi Mikimasa Katayama Senku Tanaka Toshihiko Kaji Hybrid perovskite solar cells fabricated from guanidine hydroiodide and tin iodide
description	Abstract For the search of new metal-halide perovskite solar cell materials, tolerance factors are calculated from the ionic radius of each site and are often utilized as the critical factors to expect the materials forming perovskite structure. As one of such amine hydrohalides, guanidine hydroiodide (GI) is reported not to react with PbI2. However, in this paper, we report the product of GI and SnI2 reaction, its visible light absorption, X-ray diffraction, and its solar cell operation, in spite of the more disadvantageous tolerance factor of SnI2 than PbI2. We also report the thermal stability of GI, enabling precise control of vacuum deposition, and utilization of co-evaporant induced crystallization method during the vacuum evaporation of the SnI2 film, which resulted in enlarging the SnI2 crystals and improving the short circuit current density of the solar cell.
format	article
author	Hironobu Ishibashi Mikimasa Katayama Senku Tanaka Toshihiko Kaji
author_facet	Hironobu Ishibashi Mikimasa Katayama Senku Tanaka Toshihiko Kaji
author_sort	Hironobu Ishibashi
title	Hybrid perovskite solar cells fabricated from guanidine hydroiodide and tin iodide
title_short	Hybrid perovskite solar cells fabricated from guanidine hydroiodide and tin iodide
title_full	Hybrid perovskite solar cells fabricated from guanidine hydroiodide and tin iodide
title_fullStr	Hybrid perovskite solar cells fabricated from guanidine hydroiodide and tin iodide
title_full_unstemmed	Hybrid perovskite solar cells fabricated from guanidine hydroiodide and tin iodide
title_sort	hybrid perovskite solar cells fabricated from guanidine hydroiodide and tin iodide
publisher	Nature Portfolio
publishDate	2017
url	https://doaj.org/article/b16471f16d5344b583b2830d23739d4b
work_keys_str_mv	AT hironobuishibashi hybridperovskitesolarcellsfabricatedfromguanidinehydroiodideandtiniodide AT mikimasakatayama hybridperovskitesolarcellsfabricatedfromguanidinehydroiodideandtiniodide AT senkutanaka hybridperovskitesolarcellsfabricatedfromguanidinehydroiodideandtiniodide AT toshihikokaji hybridperovskitesolarcellsfabricatedfromguanidinehydroiodideandtiniodide
_version_	1718395126422700032

Hybrid perovskite solar cells fabricated from guanidine hydroiodide and tin iodide

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