Intermediate Band Solar Cell with Extreme Broadband Spectrum Quantum Efficiency

Datas Medina, Alejandro and López Estrada, Esther and Ramiro Gonzalez, Iñigo and Antolín Fernández, Elisa and Martí Vega, Antonio and Luque López, Antonio and Ramaki, R. and Shoji, Y. and Sogabe, T. and Okada, Y. (2015). Intermediate Band Solar Cell with Extreme Broadband Spectrum Quantum Efficiency. "Physical Review Letters", v. 114 (n. 15); pp. 1-4. ISSN 0031-9007. https://doi.org/10.1103/PhysRevLett.114.157701.

Description

Title: Intermediate Band Solar Cell with Extreme Broadband Spectrum Quantum Efficiency
Author/s:
  • Datas Medina, Alejandro
  • López Estrada, Esther
  • Ramiro Gonzalez, Iñigo
  • Antolín Fernández, Elisa
  • Martí Vega, Antonio
  • Luque López, Antonio
  • Ramaki, R.
  • Shoji, Y.
  • Sogabe, T.
  • Okada, Y.
Item Type: Article
Título de Revista/Publicación: Physical Review Letters
Date: 16 April 2015
Volume: 114
Subjects:
Faculty: Instituto de Energía Solar (IES) (UPM)
Department: Electrónica Física
UPM's Research Group: Silicio y Nuevos Conceptos para Células Solares
Creative Commons Licenses: None

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Abstract

We report, for the first time, about an intermediate band solar cell implemented with InAs/AlGaAs quantum dots whose photoresponse expands from 250 to ~ 6000  nm. To our knowledge, this is the broadest quantum efficiency reported to date for a solar cell and demonstrates that the intermediate band solar cell is capable of producing photocurrent when illuminated with photons whose energy equals the energy of the lowest band gap. We show experimental evidence indicating that this result is in agreement with the theory of the intermediate band solar cell, according to which the generation recombination between the intermediate band and the valence band makes this photocurrent detectable.

Funding Projects

TypeCodeAcronymLeaderTitle
FP7283798NGCPVAntonio Luque LópezA new generation of concentrator photovoltaic cells, modules and systems

More information

Item ID: 34965
DC Identifier: http://oa.upm.es/34965/
OAI Identifier: oai:oa.upm.es:34965
DOI: 10.1103/PhysRevLett.114.157701
Official URL: http://journals.aps.org/prl/abstract/10.1103/PhysRevLett.114.157701
Deposited by: Prof. Antonio Luque López
Deposited on: 21 Apr 2015 08:02
Last Modified: 30 May 2019 16:44
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