ПРОЦЕСИ ФАЗОУТВОРЕННЯ ОРГАНО-НЕОРГАНІЧНИХ ПЕРОВСКИТІВ CH3NH3PbI3 ПРИ ВИКОРИСТАННІ РОЗЧИННИКА ДМФА

ПРОЦЕСИ ФАЗОУТВОРЕННЯ ОРГАНО-НЕОРГАНІЧНИХ ПЕРОВСКИТІВ CH3NH3PbI3 ПРИ ВИКОРИСТАННІ РОЗЧИННИКА ДМФА

The organic-inorganic perovskite films CH3NH3PbI3 were synthesized from solutions with different ratios (1:1, 1:2 and 1:3) of initial reagents (PbI2 and CH3NH3I) in a DMF solvent. XRD and Raman spectroscopy shows that the perovskites are formed according to different schemes depending on the ratio o...

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Date:2021
Main Authors: Torchyniuk, Pavlo, V'yunov, Oleg, Yukhymchuk, Volodymyr, Hreshchuk, Oleksandr, Vakarov, Serhii, Belous, Anatolii
Format: Article
Language:English
Published: V.I.Vernadsky Institute of General and Inorganic Chemistry 2021
Online Access:https://ucj.org.ua/index.php/journal/article/view/341
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Journal Title:Ukrainian Chemistry Journal

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Ukrainian Chemistry Journal
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spelling oai:ojs2.1444248.nisspano.web.hosting-test.net:article-3412021-10-04T17:24:13Z PHASE FORMATION PROCESSES OF ORGANIC-INORGANIC CH3NH3PbI3 PEROVSKITES USING A DMF SOLVENT ПРОЦЕСИ ФАЗОУТВОРЕННЯ ОРГАНО-НЕОРГАНІЧНИХ ПЕРОВСКИТІВ CH3NH3PbI3 ПРИ ВИКОРИСТАННІ РОЗЧИННИКА ДМФА Torchyniuk, Pavlo V'yunov, Oleg Yukhymchuk, Volodymyr Hreshchuk, Oleksandr Vakarov, Serhii Belous, Anatolii organic-inorganic perovskite, X-ray diffraction analysis, Raman spectroscopy, intermediate compounds, stability. The organic-inorganic perovskite films CH3NH3PbI3 were synthesized from solutions with different ratios (1:1, 1:2 and 1:3) of initial reagents (PbI2 and CH3NH3I) in a DMF solvent. XRD and Raman spectroscopy shows that the perovskites are formed according to different schemes depending on the ratio of PbI2 and CH3NH3I. At the ratio 1:1 of initial reagents, three intermediate compounds are formed: (CH3NH3)2(DMF)xPbI4, (CH3NH3)2(DMF)2Pb3I8, (CH3NH3)3(DMF)PbI5. At the ratio 1:2 of initial reagents four intermediate compounds are formed: in addition to the above phases, the phase (CH3NH3)2(DMF)2Pb2I6 is found. And at the ratio 1:3 of initial reagents, only two intermediate phases, (CH3NH3)2(DMF)xPbI4 and (CH3NH3)3(DMF)PbI5, are observed. The morphology of the perovskite films was established to depend primarily on the ratio of the initial reagents. The temperature of heat treatment changes only the grain size of films. V.I.Vernadsky Institute of General and Inorganic Chemistry 2021-09-24 Article Article Inorganic Chemistry Неорганическая химия Неорганічна хімія application/pdf https://ucj.org.ua/index.php/journal/article/view/341 10.33609/2708-129X.87.08.2021.63-81 Ukrainian Chemistry Journal; Vol 87 No 8 (2021): Ukrainian Chemistry Journal; 63-81 Украинский химический журнал; Том 87 № 8 (2021): Ukrainian Chemistry Journal; 63-81 Український хімічний журнал; Том 87 № 8 (2021): Український хімічний журнал; 63-81 2708-129X 2708-1281 en https://ucj.org.ua/index.php/journal/article/view/341/180
institution Ukrainian Chemistry Journal
baseUrl_str
datestamp_date 2021-10-04T17:24:13Z
collection OJS
language English
topic_facet organic-inorganic perovskite
X-ray diffraction analysis
Raman spectroscopy
intermediate compounds
stability.
format Article
author Torchyniuk, Pavlo
V'yunov, Oleg
Yukhymchuk, Volodymyr
Hreshchuk, Oleksandr
Vakarov, Serhii
Belous, Anatolii
spellingShingle Torchyniuk, Pavlo
V'yunov, Oleg
Yukhymchuk, Volodymyr
Hreshchuk, Oleksandr
Vakarov, Serhii
Belous, Anatolii
ПРОЦЕСИ ФАЗОУТВОРЕННЯ ОРГАНО-НЕОРГАНІЧНИХ ПЕРОВСКИТІВ CH3NH3PbI3 ПРИ ВИКОРИСТАННІ РОЗЧИННИКА ДМФА
author_facet Torchyniuk, Pavlo
V'yunov, Oleg
Yukhymchuk, Volodymyr
Hreshchuk, Oleksandr
Vakarov, Serhii
Belous, Anatolii
author_sort Torchyniuk, Pavlo
title ПРОЦЕСИ ФАЗОУТВОРЕННЯ ОРГАНО-НЕОРГАНІЧНИХ ПЕРОВСКИТІВ CH3NH3PbI3 ПРИ ВИКОРИСТАННІ РОЗЧИННИКА ДМФА
title_short ПРОЦЕСИ ФАЗОУТВОРЕННЯ ОРГАНО-НЕОРГАНІЧНИХ ПЕРОВСКИТІВ CH3NH3PbI3 ПРИ ВИКОРИСТАННІ РОЗЧИННИКА ДМФА
title_full ПРОЦЕСИ ФАЗОУТВОРЕННЯ ОРГАНО-НЕОРГАНІЧНИХ ПЕРОВСКИТІВ CH3NH3PbI3 ПРИ ВИКОРИСТАННІ РОЗЧИННИКА ДМФА
title_fullStr ПРОЦЕСИ ФАЗОУТВОРЕННЯ ОРГАНО-НЕОРГАНІЧНИХ ПЕРОВСКИТІВ CH3NH3PbI3 ПРИ ВИКОРИСТАННІ РОЗЧИННИКА ДМФА
title_full_unstemmed ПРОЦЕСИ ФАЗОУТВОРЕННЯ ОРГАНО-НЕОРГАНІЧНИХ ПЕРОВСКИТІВ CH3NH3PbI3 ПРИ ВИКОРИСТАННІ РОЗЧИННИКА ДМФА
title_sort процеси фазоутворення органо-неорганічних перовскитів ch3nh3pbi3 при використанні розчинника дмфа
title_alt PHASE FORMATION PROCESSES OF ORGANIC-INORGANIC CH3NH3PbI3 PEROVSKITES USING A DMF SOLVENT
description The organic-inorganic perovskite films CH3NH3PbI3 were synthesized from solutions with different ratios (1:1, 1:2 and 1:3) of initial reagents (PbI2 and CH3NH3I) in a DMF solvent. XRD and Raman spectroscopy shows that the perovskites are formed according to different schemes depending on the ratio of PbI2 and CH3NH3I. At the ratio 1:1 of initial reagents, three intermediate compounds are formed: (CH3NH3)2(DMF)xPbI4, (CH3NH3)2(DMF)2Pb3I8, (CH3NH3)3(DMF)PbI5. At the ratio 1:2 of initial reagents four intermediate compounds are formed: in addition to the above phases, the phase (CH3NH3)2(DMF)2Pb2I6 is found. And at the ratio 1:3 of initial reagents, only two intermediate phases, (CH3NH3)2(DMF)xPbI4 and (CH3NH3)3(DMF)PbI5, are observed. The morphology of the perovskite films was established to depend primarily on the ratio of the initial reagents. The temperature of heat treatment changes only the grain size of films.
publisher V.I.Vernadsky Institute of General and Inorganic Chemistry
publishDate 2021
url https://ucj.org.ua/index.php/journal/article/view/341
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first_indexed 2025-09-24T17:43:40Z
last_indexed 2025-09-24T17:43:40Z
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