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Proceedings Paper

Theoretical insights into multibandgap hybrid perovskites for photovoltaic applications
Author(s): Jacky Even; Daniel Sapori; Laurent Pedesseau; Alain Rolland; Mikael Kepenekian; Roberto Robles; Shijian Wang; Yong Huang; Alexandre Beck; Olivier Durand; C. Katan
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Paper 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.

Paper Details

Date Published: 16 September 2015
PDF: 7 pages
Proc. SPIE 9552, Carbon Nanotubes, Graphene, and Emerging 2D Materials for Electronic and Photonic Devices VIII, 95520Z (16 September 2015); doi: 10.1117/12.2191953
Show Author Affiliations
Jacky Even, Univ. Européenne de Bretagne (France)
Daniel Sapori, Univ. Européenne de Bretagne (France)
Laurent Pedesseau, Univ. Européenne de Bretagne (France)
Alain Rolland, Univ. Européenne de Bretagne (France)
Mikael Kepenekian, Institut des Sciences Chimiques de Rennes, Univ. de Rennes 1, CNRS (France)
Roberto Robles, Institut Català de Nanociència i Nanotecnologia (ICN2) (Spain)
Shijian Wang, Univ. Européenne de Bretagne (France)
Yong Huang, Univ. Européenne de Bretagne (France)
Alexandre Beck, Univ. Européenne de Bretagne (France)
Olivier Durand, Univ. Européenne de Bretagne (France)
C. Katan, Institut des Sciences Chimiques de Rennes, Univ. de Rennes 1, CNRS (France)


Published in SPIE Proceedings Vol. 9552:
Carbon Nanotubes, Graphene, and Emerging 2D Materials for Electronic and Photonic Devices VIII
Manijeh Razeghi; Maziar Ghazinejad; Can Bayram; Jae Su Yu; Young Hee Lee, Editor(s)

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