Theoretical insights into multibandgap hybrid perovskites for photovoltaic applications

Jacky Even; Daniel Sapori; Laurent Pedesseau; Alain Rolland; Mikael Kepenekian; Roberto Robles; Shijian Wang; Yong Huang; Alexandre Beck; Olivier Durand; C. Katan

doi:10.1117/12.2191953

16 September 2015 Theoretical insights into multibandgap hybrid perovskites for photovoltaic applications

Jacky Even, Daniel Sapori, Laurent Pedesseau, Alain Rolland, Mikael Kepenekian, Roberto Robles, Shijian Wang, Yong Huang, Alexandre Beck, Olivier Durand, C. Katan

Author Affiliations +

Proceedings Volume 9552, Carbon Nanotubes, Graphene, and Emerging 2D Materials for Electronic and Photonic Devices VIII; 95520Z (2015) https://doi.org/10.1117/12.2191953
Event: SPIE Nanoscience + Engineering, 2015, San Diego, California, United States

Abstract

This paper reviews some of the recent theoretical investigations on the Rashba Dresselhaus spin effects and dielectric properties of CH3NH3PbI3 hybrid perovskites and CsPbI3 all-inorganic perovskites using Density functional theory. The spin vectors rotate in the non-centrosymmetric P4mm tetragonal phase, respectively clockwise and counterclockwise, in a manner that is characteristic of a pure Rashba effect. The high frequency dielectric constants ε∞ of MAPbI3 and CsPbI3 are similar as anticipated, since large differences are only expected at very low frequency where additional contributions from molecular reorientations show off for the hybrid compounds. A first simulation of a perovskite on silicon tandem cell, including a tunnel junction, is also investigated. Effect of halogen substitution (I/Br) is inspected, revealing limitations for short-circuit current and open-circuit voltage electrical characteristics.

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Citation Download Citation

Jacky Even, Daniel Sapori, Laurent Pedesseau, Alain Rolland, Mikael Kepenekian, Roberto Robles, Shijian Wang, Yong Huang, Alexandre Beck, Olivier Durand, and C. Katan "Theoretical insights into multibandgap hybrid perovskites for photovoltaic applications", Proc. SPIE 9552, Carbon Nanotubes, Graphene, and Emerging 2D Materials for Electronic and Photonic Devices VIII, 95520Z (16 September 2015); https://doi.org/10.1117/12.2191953

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