Impact of excess PbI2 on the structure and the temperature dependent optical properties of methylammonium lead iodide perovskites

2018 ◽  
Vol 6 (28) ◽  
pp. 7512-7519 ◽  
Author(s):  
Tobias Meier ◽  
Tanaji P. Gujar ◽  
Andreas Schönleber ◽  
Selina Olthof ◽  
Klaus Meerholz ◽  
...  
Keyword(s):  
Thin Films ◽  
Phase Transition ◽  
Optical Properties ◽  
Electronic Structure ◽  
Binding Energy ◽  
Direct Impact ◽  
Lead Iodide ◽  
Temperature Dependent ◽  
Methylammonium Lead Iodide ◽  
Transition Behaviour

Excess PbI2 in MAPbI3 thin films has no direct impact on the electronic structure but changes the temperature dependence of the exciton binding energy and the phase transition behaviour.

Phase transition kinetics and surface binding states of methylammonium lead iodide perovskite

2016 ◽  
Vol 18 (10) ◽  
pp. 7284-7292 ◽  
Author(s):  
G. Rajendra Kumar ◽  
A. Dennyson Savariraj ◽  
S. N. Karthick ◽  
S. Selvam ◽  
B. Balamuralitharan ◽  
...  
Keyword(s):  
Thin Films ◽  
Phase Transition ◽  
Binding Energy ◽  
Detailed Analysis ◽  
Elevated Temperatures ◽  
Ambient Conditions ◽  
Lead Iodide ◽  
Surface Binding ◽  
Phase Transition Kinetics ◽  
Methylammonium Lead Iodide

We have presented a detailed analysis of the phase transition kinetics and binding energy states of solution processed MAPbI3 thin films prepared at ambient conditions and annealed at different elevated temperatures.

The Effect of Organic Cation Dynamics on the Optical Properties in (PEA)2(MA)[Pb2I7] Perovskite Dimorphs

2021 ◽  
Author(s):  
Lekina Yulia ◽  
Sai Dintakurti ◽  
Benny Febriansyah ◽  
David George Bradley ◽  
Jiaxu Yan ◽  
...  
Keyword(s):  
Phase Transition ◽  
Optical Properties ◽  
Raman Scattering ◽  
Organic Cation ◽  
Two Dimensional ◽  
Lead Iodide ◽  
Temperature Dependent ◽  
Hybrid Perovskite

Two-dimensional (2D) phenylethyl ammonium (PEA+)-methyl ammonium (MA+) lead iodide ((PEA)2(MA)[Pb2I7]) hybrid perovskite exists as temperature-dependent dimorphs exhibiting an ill-defined phase transition occurring over 150 - 200 K range. Raman scattering,...

scholarly journals Room Temperature Phase Transition in Methylammonium Lead Iodide Perovskite Thin Films Induced by Hydrohalic Acid Additives

ChemSusChem ◽  
2016 ◽  
Vol 9 (18) ◽  
pp. 2656-2665 ◽  
Author(s):  
Chan Myae Myae Soe ◽  
Constantinos C. Stoumpos ◽  
Boris Harutyunyan ◽  
Eric F. Manley ◽  
Lin X. Chen ◽  
...  
Keyword(s):  
Thin Films ◽  
Phase Transition ◽  
Room Temperature ◽  
Temperature Phase ◽  
Lead Iodide ◽  
Temperature Phase Transition ◽  
Methylammonium Lead Iodide ◽  
Hydrohalic Acid

Temperature-dependent photoluminescence properties of mixed-cation methylammonium–formamidium lead iodide [HC(NH2)2]x[CH3NH3]1−xPbI3 perovskite nanostructures

2017 ◽  
Vol 5 (46) ◽  
pp. 12057-12061 ◽  
Author(s):  
Hongge Zheng ◽  
Jun Dai ◽  
Junjie Duan ◽  
Feng Chen ◽  
Gangyi Zhu ◽  
...  
Keyword(s):  
Phase Transition ◽  
Optical Properties ◽  
Transition Temperature ◽  
Tetragonal Phase ◽  
Photoluminescence Properties ◽  
Lead Iodide ◽  
Temperature Dependent ◽  
Urbach Tail ◽  
Tetragonal Phase Transition ◽  
Temperature Dependent Photoluminescence

Orthorhombic–tetragonal phase transition, temperature-dependent PL related optical properties and Urbach tail characteristics are systematically investigated in the FAxMA1−xPbI3 nanostructures.

Structural and optical properties of methylammonium lead iodide across the tetragonal to cubic phase transition: implications for perovskite solar cells

2016 ◽  
Vol 9 (1) ◽  
pp. 155-163 ◽  
Author(s):  
Claudio Quarti ◽  
Edoardo Mosconi ◽  
James M. Ball ◽  
Valerio D'Innocenzo ◽  
Chen Tao ◽  
...  
Keyword(s):  
Phase Transition ◽  
Optical Properties ◽  
Solar Cells ◽  
Perovskite Solar Cells ◽  
Optical Measurements ◽  
Cubic Phase ◽  
Lead Iodide ◽  
Structural And Optical Properties ◽  
Property Changes ◽  
Methylammonium Lead Iodide

We report optical measurements on MAPbI3solar cells, together withab initiosimulations, to investigate the material property changes across the tetragonal to cubic phase transition.

scholarly journals Ionic and Optical Properties of Methylammonium Lead Iodide Perovskite across the Tetragonal-Cubic Structural Phase Transition

ChemSusChem ◽  
2016 ◽  
Vol 9 (18) ◽  
pp. 2692-2698 ◽  
Author(s):  
Md Nadim Ferdous Hoque ◽  
Nazifah Islam ◽  
Zhen Li ◽  
Guofeng Ren ◽  
Kai Zhu ◽  
...  
Keyword(s):  
Phase Transition ◽  
Optical Properties ◽  
Structural Phase Transition ◽  
Structural Phase ◽  
Lead Iodide ◽  
Methylammonium Lead Iodide
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