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Journal of Renewable and Sustainable Energy / Volume 4 / Issue 1 / SPECIAL TOPIC: SELECTED PAPERS FROM THE PHOTOVOLTAIC TECHNICAL CONFERENCE, AIX EN PROVENCE, FRANCE, 2011

J. Renewable Sustainable Energy 4, 011605 (2012); http://dx.doi.org/10.1063/1.3670409 (5 pages)

Electrodeposition of stoichiometric CdTe thin film for photovoltaic application

H. Y. Ueng1 and S. Y. Yang2

1Department of Electronic Engineering, Chang Gung University, Tao-Yuan 333 Taiwan
2Department of Information Management, Fortune Institute of Technology, Kaohsiung, Taiwan

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(Received 10 August 2011; accepted 16 November 2011; published online 8 February 2012)

Theoretical model based on the Buler-Volmer equation was developed to obtain the potential of perfect stoichiometry (PPS) under a variety of deposited conditions, and results were confirmed experimentally. It also shows that the stoichiometric deviation of CdTe thin film can be controlled accurately. The simulation of electrodeposited process for CdTe was conditioned in the acidic electrolyte containing reducible ions of Cd2+ and HTeO2+. Based on the simulated predictions, well-connected granular CdTe thin films were deposited at PPS. Due to near stoichiometric sample shows slightly p-type, the concentration of HTeO2+ ion was then decrease to reach more intrinsic condition under the PPS applied. Particularly, the p-type, near i-type and n type of CdTe thin films can be electrodeposited se-quentially. The thickness of each layers deposited was achieved by varying the applied potential with different deposited time.

© 2012 American Institute of Physics

Article Outline

  1. INTRODUCTION
  2. EXPERIMENTAL
  3. RESULTS AND DISCUSSION
  4. CONCLUSION

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KEYWORDS, PACS, and IPC

Keywords

cadmium compounds, electrodeposition, electrolytes, II-VI semiconductors, semiconductor thin films, solar cells, stoichiometry

PACS

International Patent Classification (IPC)

  • C25D

    Processes for the electrolytic or electrophoretic production of coatings; Electroforming; Joining workpieces by electrolysis; Apparatus therefor

  • H01L27/142

    Energy conversion devices

  • H01L31/04

    Adapted as conversion devices

  • H02N6/00

    Generators in which light radiation is directly converted into electrical energy

ARTICLE DATA

Digital Object Identifier
http://dx.doi.org/10.1063/1.3670409

PUBLICATION DATA

ISSN

1941-7012 (online)

Publisher

$abstract.society.value is a Member of CrossRef American Institute of Physics

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