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Tetrahedral chalcopyrite quantum dots for solar-cell applications

Ojajarvi, Juho; Rasanen, Esa; Sadewasser, Sascha; Lehmann, Sebastian LU ; Wagner, Philipp and Lux-Steiner, Martha Ch. (2011) In Applied Physics Letters 99(11).
Abstract
Chalcopyrite structures are candidates for efficient intermediate-band solar cells in thin-film technology. Here, we examine a material combination of CuInSe2 dots embedded in CuGaS2 matrix and show that epitaxial growth leads to distinctive tetrahedral nanostructures. Our model calculations provide us with the optimal nanodot size to reach the maximum efficiency-in principle up to 61%. The optimal quantum dot satisfies the known physical constraints, and it is in excellent qualitative agreement with our grown samples. (C) 2011 American Institute of Physics. [doi:10.1063/1.3640225]
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author
organization
publishing date
type
Contribution to journal
publication status
published
subject
in
Applied Physics Letters
volume
99
issue
11
publisher
American Institute of Physics
external identifiers
  • wos:000295034400024
  • scopus:80053211289
ISSN
0003-6951
DOI
10.1063/1.3640225
language
English
LU publication?
yes
id
7ac6ad40-97a4-4505-a940-55f2ede1fb0d (old id 2180256)
date added to LUP
2011-10-25 09:06:19
date last changed
2017-01-01 03:18:35
@article{7ac6ad40-97a4-4505-a940-55f2ede1fb0d,
  abstract     = {Chalcopyrite structures are candidates for efficient intermediate-band solar cells in thin-film technology. Here, we examine a material combination of CuInSe2 dots embedded in CuGaS2 matrix and show that epitaxial growth leads to distinctive tetrahedral nanostructures. Our model calculations provide us with the optimal nanodot size to reach the maximum efficiency-in principle up to 61%. The optimal quantum dot satisfies the known physical constraints, and it is in excellent qualitative agreement with our grown samples. (C) 2011 American Institute of Physics. [doi:10.1063/1.3640225]},
  articleno    = {3640225},
  author       = {Ojajarvi, Juho and Rasanen, Esa and Sadewasser, Sascha and Lehmann, Sebastian and Wagner, Philipp and Lux-Steiner, Martha Ch.},
  issn         = {0003-6951},
  language     = {eng},
  number       = {11},
  publisher    = {American Institute of Physics},
  series       = {Applied Physics Letters},
  title        = {Tetrahedral chalcopyrite quantum dots for solar-cell applications},
  url          = {http://dx.doi.org/10.1063/1.3640225},
  volume       = {99},
  year         = {2011},
}