Identification and characterization of the intermediate phase in hybrid organic-inorganic MAPbI3 perovskite

Dalton Transactions : an International Journal of Inorganic Chemistry
Xin GuoClemens Burda

Abstract

Perovskite films were prepared using single step solution deposition at different annealing temperatures and annealing times. The crystal structure, phases and grain size were investigated with XRD, XPS and SEM/EDX. The prepared films show a typical orientation of tetragonal perovskite phase and a gradual transition at room temperature from the yellow intermediate phase to the black perovskite phase. Films with high purity were obtained by sintering at 100 °C. In addition, the chemical composition and crystal structure of intermediate phase were investigated in detail. FTIR, UV-vis and NMR spectra revealed the occurance of DMF complexes. Interestingly, the intermediate phase could be transformed to the black perovskite phase upon X-ray irradiation. In addition, the recovery of the aged perovskite films from a yellow intermediate phase back to the black perovskite was shown to be viable via heating and X-ray irradiation.

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Citations

Dec 13, 2016·Physical Chemistry Chemical Physics : PCCP·Lin XieKyungkon Kim
Jul 28, 2017·Physical Chemistry Chemical Physics : PCCP·Md Arafat MahmudAshraf Uddin
Feb 13, 2018·Small·Sang Il SeokNam-Gyu Park
Sep 11, 2018·Advanced Materials·Jianmei HuangPeidong Yang
Jan 4, 2019·Chemical Society Reviews·Minsu JungSang Il Seok
Feb 19, 2019·Physical Chemistry Chemical Physics : PCCP·Alonso W P SanchesSidney A Lourenço
Dec 6, 2019·Chemphyschem : a European Journal of Chemical Physics and Physical Chemistry·Sangeun YunDongho Kim
Feb 5, 2019·RSC Advances·Bekele HailegnawMarkus C Scharber
Nov 3, 2016·Chemphyschem : a European Journal of Chemical Physics and Physical Chemistry·Lili WangClemens Burda
May 26, 2021·ACS Applied Materials & Interfaces·Gizachew Belay AdugnaYu-Tai Tao
Jun 19, 2021·ACS Applied Materials & Interfaces·Jie ZhangShuping Pang
Jan 31, 2020·The Journal of Physical Chemistry Letters·Juvinch R Vicente, Jixin Chen
Mar 20, 2018·ACS Applied Materials & Interfaces·Jesús IdígorasJuan A Anta
Aug 22, 2021·Chemical Record : an Official Publication of the Chemical Society of Japan ... [et Al.]·Qamar WaliShengyuan Yang
Sep 20, 2019·The Journal of Physical Chemistry Letters·Ayumi IshiiTsutomu Miyasaka

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