Scientists Propose Perovskite Films Homogenizing Strategy to Increase Conversion Efficiency (IMAGE)

Hefei Institutes of Physical Science, Chinese Academy of Sciences

Scientists Propose Perovskite Films Homogenizing Strategy to Increase Conversion Efficiency

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Figure. 2 Revealing the origination of FA-Cs phase segregation. a, In-situ synchrotron radiation grazing incidence wide angle X-ray scattering (in-situ GIWAXS). b-c, The schematics of computation results for free energy evolution in the reference system (b) and PSP system (c) during the processes of crystallization and phase transition. d-e, Plots of Fourier Transform R space results of EXAFS measurements. (f) Diagram of calculated Pb-O coordination ratio from the EXAFS measurements. (g) FTIR spectra patterns of PSP and PSP(PbI2) complex. (Image by the team)

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