11 September 2013 Six not-so-easy pieces in intermediate band solar cell research
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J. of Photonics for Energy, 3(1), 031299 (2013). doi:10.1117/1.JPE.3.031299
Abstract
The concept of intermediate band solar cell (IBSC) is, apparently, simple to grasp. However, since the idea was proposed, our understanding has improved and some concepts can now be explained more clearly than when the concept was initially introduced. Clarifying these concepts is important, even if they are well known for the advanced researcher, so that research efforts can be driven in the right direction from the start. The six pieces of this work are: Does a miniband need to be formed when the IBSC is implemented with quantum dots? What are the problems for each of the main practical approaches that exist today? What are the simplest experimental techniques to demonstrate whether an IBSC is working as such or not? What is the issue with the absorption coefficient overlap and the Mott’s transition? What would the best system be, if any?
Antonio Marti Vega, Elisa Antolin, Pablo G. Linares, Iñigo Ramiro, Irene Artacho, Esther López, Estela Hernández, Manuel J. Mendes, Alexander V. Mellor, Ignacio Tobías, David F. Marron, César Tablero, Ana B. Cristóbal, Christopher G. Bailey, Maria Gonzalez, Michael K. Yakes, Matthew P. Lumb, Robert J. Walters, Antonio Luque, "Six not-so-easy pieces in intermediate band solar cell research," Journal of Photonics for Energy 3(1), 031299 (11 September 2013). http://dx.doi.org/10.1117/1.JPE.3.031299
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KEYWORDS
Absorption

Electrons

Solar cells

Semiconductors

Gallium arsenide

Solar energy

Electron holes

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