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Applied Physics A

, Volume 109, Issue 2, pp 299–306 | Cite as

Effects of silicon nanowires length on solar cells photovoltaic properties

  • M. Farangi
  • M. ZahedifarEmail author
  • M. R. Mozdianfard
  • M. H. Pakzamir
Article

Abstract

Silicon nanowires (SiNWs) were produced by an electroless method on FZ-Si (100) wafer, in HF/AgNO3 solution. The influence of etching time and temperature on SiNWs morphology were studied using FESEM images. Optical properties were also investigated by optical absorption spectroscopy and low-temperature photoluminescence at 4.2 K. Considering their role as active regions, photovoltaic properties of SiNWs solar cells were studied for their different lengths. Photovoltaic measurements were taken in 1 sun condition under AM 1.5 illumination supplied by a solar simulator. Measurements indicated a reduction in efficiency as SiNWs length increased, which might be attributed to increased dangling states on nanowires surfaces.

Keywords

Solar Cell Photovoltaic Property Optical Absorption Spectroscopy SiNWs Array Silver Nanoclusters 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

Notes

Acknowledgements

The authors gratefully acknowledge the financial support of research council, at the University of Kashan, and Prof. V.F. Gremenok of ‘Belarusian Academy of Science’ for his technical assistance with photoluminescence measurements.

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Copyright information

© Springer-Verlag 2012

Authors and Affiliations

  • M. Farangi
    • 2
  • M. Zahedifar
    • 1
    • 2
    Email author
  • M. R. Mozdianfard
    • 2
    • 3
  • M. H. Pakzamir
    • 2
  1. 1.Faculty of PhysicsUniversity of KashanKashanIran
  2. 2.Institute of Nanoscience and NanotechnologyUniversity of KashanKashanIran
  3. 3.Chem. Eng. Dep.University of KashanKashanIran

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