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Molecular Photovoltaics in Nanoscale Dimension
Int. J. Mol. Sci. 2011, 12(1), 476-505; doi:10.3390/ijms12010476

High Photoelectric Conversion Efficiency of Metal Phthalocyanine/Fullerene Heterojunction Photovoltaic Device

3,* , 2,*  and 1
1 Graduate Institute of Photonics and Optoelectronics, National Taiwan University, No. 1, Section 4, Roosevelt Road, Taipei 10617, Taiwan 2 Department of Photonics Engineering, Yuan Ze University, Taoyuan 32003, Taiwan 3 Institute of Chemistry, Academia Sinica, No. 128, Academia Road, Section 2, Nankang, Taipei 115, Taiwan
* Authors to whom correspondence should be addressed.
Received: 1 December 2010 / Revised: 27 December 2010 / Accepted: 6 January 2011 / Published: 17 January 2011
(This article belongs to the Special Issue Solar Cells)
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This paper introduces the fundamental physical characteristics of organic photovoltaic (OPV) devices. Photoelectric conversion efficiency is crucial to the evaluation of quality in OPV devices, and enhancing efficiency has been spurring on researchers to seek alternatives to this problem. In this paper, we focus on organic photovoltaic (OPV) devices and review several approaches to enhance the energy conversion efficiency of small molecular heterojunction OPV devices based on an optimal metal-phthalocyanine/fullerene (C60) planar heterojunction thin film structure. For the sake of discussion, these mechanisms have been divided into electrical and optical sections: (1) Electrical: Modification on electrodes or active regions to benefit carrier injection, charge transport and exciton dissociation; (2) Optical: Optional architectures or infilling to promote photon confinement and enhance absorption.
Keywords: OPV; energy conversion efficiency; heterojunction OPV; energy conversion efficiency; heterojunction
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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Lin, C.-F.; Zhang, M.; Liu, S.-W.; Chiu, T.-L.; Lee, J.-H. High Photoelectric Conversion Efficiency of Metal Phthalocyanine/Fullerene Heterojunction Photovoltaic Device. Int. J. Mol. Sci. 2011, 12, 476-505.

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