Highly efficient planar perovskite solar cells through band alignment engineering

Author:

Correa Baena Juan Pablo12345,Steier Ludmilla62345,Tress Wolfgang62345,Saliba Michael72345,Neutzner Stefanie89101112,Matsui Taisuke13141516,Giordano Fabrizio62345,Jacobsson T. Jesper12345,Srimath Kandada Ajay Ram891011,Zakeeruddin Shaik M.62345,Petrozza Annamaria891011,Abate Antonio62345,Nazeeruddin Mohammad Khaja72345,Grätzel Michael62345,Hagfeldt Anders12345

Affiliation:

1. Laboratory for Photomolecular Science

2. Institute of Chemical Sciences and Engineering

3. École Polytechnique Fédérale de Lausanne

4. CH-1015-Lausanne

5. Switzerland

6. Laboratory for Photonics and Interfaces

7. Group for Molecular Engineering of Functional Materials

8. Center for Nano Science and Technology@Polimi

9. Istituto Italiano di Tecnologia

10. via Pascoli 70/3 20133 Milano

11. Italy

12. Dipartimento di Fisica

13. Advanced Research Division

14. Panasonic Corporation

15. Kadoma City

16. Japan

Abstract

Planar perovskite solar cells exhibit a conduction band misalignment of the perovskite with TiO2, but not with SnO2. The system using the latter yielded power conversion efficiencies over 18%.

Publisher

Royal Society of Chemistry (RSC)

Subject

Pollution,Nuclear Energy and Engineering,Renewable Energy, Sustainability and the Environment,Environmental Chemistry

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