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Intermediate Band Solar Cells: Modeling and Simulation
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Author(s): Pablo García-Linares (Universidad Politécnica de Madrid, Spain), Elisa Antolín (Universidad Politécnica de Madrid, Spain), Antonio Martí (Universidad Politécnica de Madrid, Spain)and Antonio Luque (Universidad Politécnica de Madrid, Spain)
Copyright: 2013
Pages: 26
Source title:
Advanced Solar Cell Materials, Technology, Modeling, and Simulation
Source Author(s)/Editor(s): Laurentiu Fara (Polytechnic University of Bucharest, Romania)and Masafumi Yamaguchi (Toyota Technological Institute, Japan)
DOI: 10.4018/978-1-4666-1927-2.ch011
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Abstract
The Intermediate Band Solar Cell (IBSC) is a novel photovoltaic device with the potential of surpassing the efficiency limit of conventional solar cells. It is based on a new class of materials characterized by the insertion of a collection of energy levels within the material bandgap. These levels act as the so-called Intermediate Band (IB) and cause a larger portion of the solar spectrum to be useful for photovoltaic conversion. Sub-bandgap photons can ideally be collected via two-step absorption mechanisms through the IB and thus enhance the photogenerated current without a significant voltage degradation. In this chapter, the authors show the state of the art of the modeling and simulation within the IBSC research field.
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