title: Enhancing Efficiency of Perovskite Solar Cells via N-doped Graphene: Crystal Modification and Surface Passivation.
abstract: Controlling the morphology and surface passivation in perovskite solar cells is paramount in obtaining optimal optoelectronic properties. This study incorporates N-doped graphene nanosheets in the perovskite layer, which simultaneously induces an improved morphology and surface passivation at the perovskite/spiro interface, resulting in enhancement in all photovoltaic parameters.
authors: Laboratory of Photomolecular Science, Institute of Chemical Sciences and Engineering, École Polytechnique Fédérale de Lausanne, 1015, Lausanne, Switzerland.|Department of Chemistry, Ferdowsi University of Mashhad, Mashhad, 91779, Iran.
authors: Mahboubeh
authors: M
authors: Hadadian
authors: Laboratory of Photomolecular Science, Institute of Chemical Sciences and Engineering, École Polytechnique Fédérale de Lausanne, 1015, Lausanne, Switzerland. juan.correa@epfl.ch.
authors: Juan-Pablo
authors: JP
authors: Correa-Baena
authors: Department of Chemistry, Ferdowsi University of Mashhad, Mashhad, 91779, Iran. gohari@um.ac.ir.|Center of Nano Research, Ferdowsi University of Mashhad, Mashhad, 91779, Iran. gohari@um.ac.ir.
authors: Elaheh K
authors: EK
authors: Goharshadi
authors: Laboratory of Photonics and Interfaces, Institute of Chemical Sciences and Engineering, École Polytechnique Fédérale de Lausanne, 1015, Lausanne, Switzerland.
authors: Amita
authors: A
authors: Ummadisingu
authors: Laboratory of Photonics and Interfaces, Institute of Chemical Sciences and Engineering, École Polytechnique Fédérale de Lausanne, 1015, Lausanne, Switzerland.
authors: Ji-Youn
authors: JY
authors: Seo
authors: Laboratory of Photonics and Interfaces, Institute of Chemical Sciences and Engineering, École Polytechnique Fédérale de Lausanne, 1015, Lausanne, Switzerland.
authors: Jingshan
authors: J
authors: Luo
authors: Laboratory of Photomolecular Science, Institute of Chemical Sciences and Engineering, École Polytechnique Fédérale de Lausanne, 1015, Lausanne, Switzerland.|Faculty of Physics and Chemistry, Alzahra University, Tehran, 1993893973, Iran.
authors: Somayeh
authors: S
authors: Gholipour
authors: Laboratory of Photonics and Interfaces, Institute of Chemical Sciences and Engineering, École Polytechnique Fédérale de Lausanne, 1015, Lausanne, Switzerland.
authors: Shaik M
authors: SM
authors: Zakeeruddin
authors: Laboratory of Photonics and Interfaces, Institute of Chemical Sciences and Engineering, École Polytechnique Fédérale de Lausanne, 1015, Lausanne, Switzerland.
authors: Michael
authors: M
authors: Saliba
authors: Laboratory of Photonics and Interfaces, Institute of Chemical Sciences and Engineering, École Polytechnique Fédérale de Lausanne, 1015, Lausanne, Switzerland.|Adolphe Merkle Institute, University of Fribourg Ch. du. Musée 3, CH-1700, Fribourg, Switzerland.
authors: Antonio
authors: A
authors: Abate
authors: Laboratory of Photonics and Interfaces, Institute of Chemical Sciences and Engineering, École Polytechnique Fédérale de Lausanne, 1015, Lausanne, Switzerland.
authors: Michael
authors: M
authors: Grätzel
authors: Laboratory of Photomolecular Science, Institute of Chemical Sciences and Engineering, École Polytechnique Fédérale de Lausanne, 1015, Lausanne, Switzerland. anders.hagfeldt@epfl.ch.
authors: Anders
authors: A
authors: Hagfeldt
keywords: crystal growth; nitrogen-doped reduced graphene oxides; perovskite solar cells; photovoltage