Journal ArticleDOI
A study on composition, structure and optical properties of copper-poor CIGS thin film deposited by sequential sputtering of CuGa/In and In/(CuGa+In) precursors
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In this paper, the elemental composition uniformity of CIGS-based solar cells was analyzed with energy dispersive spectroscopy (EDS), X-ray photo-electron spectrography (XPS) and secondary ion mass spectrograms (SIMS).About:
This article is published in Journal of Crystal Growth.The article was published on 2012-11-15. It has received 35 citations till now. The article focuses on the topics: Copper indium gallium selenide solar cells & Thin film.read more
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Journal ArticleDOI
Revealing Surface Modifications of Potassium-Fluoride-Treated Cu(In,Ga)Se2: A Study of Material Structure, Chemistry, and Photovoltaic Performance
Jeffery A. Aguiar,Adam A. Stokes,Adam A. Stokes,Chun-Sheng Jiang,Toshihiro Aoki,Paul G. Kotula,Maulik K. Patel,Brian P. Gorman,Mowafak Al-Jassim +8 more
TL;DR: In this paper, the effects of alkali post-deposition treatments and device properties for polycrystalline thin film Cu(In,Ga)Se2 have been investigated by correlative analytical microscopy.
Journal ArticleDOI
Band gap engineering of tandem structured CIGS compound absorption layer fabricated by sputtering and selenization
TL;DR: In this article, a tandem CIGS absorption layer was fabricated by using three precursors of CuIn, In/CuGa/In, and CuGa onto the Mo-coated soda-lime glass (SLG) by the sequential sputtering of CIGIn, CuGa, and In targets.
Journal ArticleDOI
Hot injection synthesis of Cu(In, Ga)Se2 nanocrystals with tunable bandgap
TL;DR: In this article, the gallium content of CIGSe nanocrystals was varied such as 0.25, 0.50, and 0.75 to study their influence on the structural, morphological, compositional and optical properties of the nanocrystal.
Journal ArticleDOI
The effect of Cu concentration in the photovoltaic efficiency of CIGS solar cells prepared by co-evaporation technique
TL;DR: In this article, the structural and electrical properties of polycrystalline CIGS thin films have been studied by changing the Cu/(In ǫ+ǫ) ratio in the films.
Journal ArticleDOI
Effect of alkali doping on CIGS photovoltaic ceramic tiles
TL;DR: In this paper, the influence of alkali elements (Na, K) on the morphological, structural, and optoelectronic properties of CIGS ceramic tile solar cells was investigated.
References
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Optical Processes in Semiconductors
TL;DR: Optical processes in semiconductors as mentioned in this paper, Optical Process in Semiconductors (OPP), Optical Process of Semiconductor (OPS) and Optical Process (OPI)
Journal ArticleDOI
New world record efficiency for Cu(In,Ga)Se2 thin‐film solar cells beyond 20%
Philip Jackson,Dimitrios Hariskos,Erwin Lotter,Stefan Paetel,Roland Wuerz,Richard Menner,Wiltraud Wischmann,Michael Powalla +7 more
TL;DR: In this article, the authors presented a new certified world record efficiency of 20.1 and 20.3% for thin-film solar cells for the first time and analyzed the characteristics of solar cells on such a performance level and demonstrate a high degree of reproducibility.
Journal ArticleDOI
Progress toward 20% efficiency in Cu(In,Ga)Se2 polycrystalline thin‐film solar cells
Miguel A. Contreras,Brian Egaas,Kannan Ramanathan,J. F. Hiltner,A. B. Swartzlander,Falah S. Hasoon,Rommel Noufi +6 more
TL;DR: In this article, the authors reported an 18.8% total area conversion efficiency for a ZnO/CdS/Cu(In,Ga)Se2/Mo polycrystalline thin-film solar cell.
Journal ArticleDOI
Highly efficient Cu(In,Ga)Se2 solar cells grown on flexible polymer films
Adrian Chirila,Stephan Buecheler,Fabian Pianezzi,P. Bloesch,Christina Gretener,Alexander R. Uhl,C.M. Fella,Lukas Kranz,Julian Perrenoud,S. Seyrling,R. Verma,Shiro Nishiwaki,Yaroslav E. Romanyuk,G. Bilger,Ayodhya N. Tiwari +14 more
TL;DR: A strong composition gradient in the absorber layer is identified as the main reason for inferior performance and it is shown that, by adjusting it appropriately, very high efficiencies can be obtained.
Journal ArticleDOI
Solar cell efficiency tables (version 37)
TL;DR: Green et al. as discussed by the authors provided guidelines for the inclusion of results into these tables, which not only provides an authoritative summary of the current state of the art but also encourages researchers to seek independent confir-mation of results and to report results on a standardised basis.
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Cu(In, Ga)Se2 thin films prepared from stacked precursors by post-selenization process
Jian Wang,Jie Zhu,Long-long Liao +2 more