{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"omics_type":["Unknown"],"volume":["8(1)"],"submitter":["Dobrovolsky A"],"pubmed_abstract":["Solution-processed organometal halide perovskites are hybrid crystalline semiconductors highly interesting for low-cost and efficient optoelectronics. Their properties are dependent on the crystal structure. Literature shows a variety of crystal phase transition temperatures and often a spread of the transition over tens of degrees Kelvin. We explain this inconsistency by demonstrating that the temperature of the tetragonal-to-orthorhombic phase transition in methylammonium lead triiodide depends on the concentration and nature of local defects. Phase transition in individual nanowires was studied by photoluminescence microspectroscopy and super-resolution imaging. We propose that upon cooling from 160 to 140 K, domains of the crystal containing fewer defects stay in the tetragonal phase l"],"journal":["Nature communications"],"pagination":["34"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC5484711"],"repository":["biostudies-literature"],"pubmed_title":["Defect-induced local variation of crystal phase transition temperature in metal-halide perovskites."],"pmcid":["PMC5484711"],"pubmed_authors":["Dobrovolsky A","Yartsev A","Unger EL","Scheblykin IG","Merdasa A"],"additional_accession":[]},"is_claimable":false,"name":"Defect-induced local variation of crystal phase transition temperature in metal-halide perovskites.","description":"Solution-processed organometal halide perovskites are hybrid crystalline semiconductors highly interesting for low-cost and efficient optoelectronics. Their properties are dependent on the crystal structure. Literature shows a variety of crystal phase transition temperatures and often a spread of the transition over tens of degrees Kelvin. We explain this inconsistency by demonstrating that the temperature of the tetragonal-to-orthorhombic phase transition in methylammonium lead triiodide depends on the concentration and nature of local defects. Phase transition in individual nanowires was studied by photoluminescence microspectroscopy and super-resolution imaging. We propose that upon cooling from 160 to 140 K, domains of the crystal containing fewer defects stay in the tetragonal phase l","dates":{"release":"2017-01-01T00:00:00Z","publication":"2017 Jun","modification":"2025-04-22T16:42:54.683Z","creation":"2019-03-27T02:48:31Z"},"accession":"S-EPMC5484711","cross_references":{"pubmed":["28652597"],"doi":["10.1038/s41467-017-00058-w"]}}