A novel buffering technique for aqueous processing of zinc oxide nanostructures and interfaces, and corresponding improvement of electrodeposited ZnO-Cu2O photovoltaics

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Musselman_novel buffering.pdf
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2011
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Musselmann, Kevin
Marin, Andrew
Wisnet, Andreas
Scheu, Christina
MacManus-Driscoll, Judith
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Advanced Functional Materials. 2011, 21(3), pp. 573-582. ISSN 1616-301X. Available under: doi: 10.1002/adfm.201001956
Zusammenfassung

A novel buffering method is presented to improve the stability of zinc oxide processed in aqueous solutions. By buffering the aqueous solution with a suitable quantity of sacrifi cial zinc species, the dissolution of functional zinc oxide structures and the formation of unwanted impurities can be prevented. The method is demonstrated for ZnO fi lms and nanowires processed in aqueous solutions used for the selective etching of mesoporous anodic alumina templates and the electrochemical deposition of Cu 2 O. In both cases, improved ZnO stability is observed with the buffering method. ZnO-Cu 2 O heterojunction solar cells (bilayer and nanowire cells) synthesized using both traditional and buffered deposition methods are characterized by impedance spectroscopy and solar simulation measurements. Buffering the Cu 2 O deposition solution is found to reduce unwanted recombination at the heterojunction and improve the photovoltaic performance.

Zusammenfassung in einer weiteren Sprache
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530 Physik
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zinc oxide, anodic alumina, electrodeposition, impedance spectroscopy, photovoltaic
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ISO 690MUSSELMANN, Kevin, Andrew MARIN, Andreas WISNET, Christina SCHEU, Judith MACMANUS-DRISCOLL, Lukas SCHMIDT-MENDE, 2011. A novel buffering technique for aqueous processing of zinc oxide nanostructures and interfaces, and corresponding improvement of electrodeposited ZnO-Cu2O photovoltaics. In: Advanced Functional Materials. 2011, 21(3), pp. 573-582. ISSN 1616-301X. Available under: doi: 10.1002/adfm.201001956
BibTex
@article{Musselmann2011novel-17971,
  year={2011},
  doi={10.1002/adfm.201001956},
  title={A novel buffering technique for aqueous processing of zinc oxide nanostructures and interfaces, and corresponding improvement of electrodeposited ZnO-Cu2O photovoltaics},
  number={3},
  volume={21},
  issn={1616-301X},
  journal={Advanced Functional Materials},
  pages={573--582},
  author={Musselmann, Kevin and Marin, Andrew and Wisnet, Andreas and Scheu, Christina and MacManus-Driscoll, Judith and Schmidt-Mende, Lukas}
}
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