Fig. 1: Suppressing optical oscillations through I-Sn-N coordination. | Nature Communications

Fig. 1: Suppressing optical oscillations through I-Sn-N coordination.

From: Decoupling photothermal-mechanical degradation through lattice-stabilizing networks in Sn–Pb perovskites and all-perovskite tandem solar cells

Fig. 1: Suppressing optical oscillations through I-Sn-N coordination.

a Chemical structures of TAPB, TAPOB, and TPTA, and the corresponding electrostatic potential diagram and dipole moment. b–d Differential charge density profiles of TAPB, TAPOB and TPTA interacting with perovskites. e, f FTIR spectra of TPTA, TPTA/PbI2 and TPTA/SnI2. g Sn 3 d XPS spectra of control, TAPB modified, TAPOB modified and TPTA modified films. h–k Raman spectra of the control, TAPB, TAPOB and TPTA modified films.

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