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Journal of Nanomaterials
Volume 2015, Article ID 406597, 15 pages
Review Article

A Review on the Efficiency of Graphene-Based BHJ Organic Solar Cells

1CINVESTAV-IPN Unidad Querétaro, 76230 Santiago de Querétaro, QRO, Mexico
2Universidad Autónoma de Nayarit, Ciudad de la Cultura Amado Nervo s/n, 63190 Tepic, NAY, Mexico
3Princeton Institute of Science and Technology of Materials (PRISM), Bowen Hall, 70 Prospect Street, Princeton, NJ 08544, USA
4CIDETEQ, Parque Tecnológico Querétaro Sanfandila, 76703 Pedro Escobedo, QRO, Mexico
5Univertisté de Lyon, École Centrale de Lyon, Institut des Nanotechnologies de Lyon, 36 Avenue Guy de Collongue, 69134 Ecully Cedex, France

Received 19 May 2015; Revised 30 August 2015; Accepted 31 August 2015

Academic Editor: Michal Otyepka

Copyright © 2015 Alejandro Manzano-Ramírez et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


Graphene, a material composed of one-atom-thick planar sheets of sp2-bonded carbon atoms with a two-dimensional honeycomb structure, has been proposed for many applications due to its remarkable electronic, optical, thermal, and mechanical properties. Its high transparency, conductivity, flexibility, and abundance make it an excellent material to be applied in the field of organic photovoltaic cells, especially as a replacement for transparent conducting oxide electrodes. However, graphene has been demonstrated to be useful not only as substitute for indium tin oxide electrodes, but also as cathode, electron acceptor, hole transport, and electron extraction material. Thus, in this work, we summarize and discuss the efficiency of bulk heterojunction devices using graphene as a main constituent.