Characterization of Cl-doped n-type Cu2O prepared by electrodeposition

Xiaofei Han, Kunhee Han, Meng Tao

Research output: Contribution to journalArticle

34 Citations (Scopus)

Abstract

N-type doping of cuprous oxide (Cu2O) films by chlorine (Cl) during electrodeposition was reported by the authors recently. A more detailed study on the effects of doping conditions on electrical properties of Cl-doped Cu2O is presented in this paper. The resistivity of Cl-doped Cu 2O is affected by doping conditions, including Cu and Cl concentrations, different Cu and Cl precursors, complexing agent concentration, solution pH, and deposition temperature. It is believed that these conditions control the amount of Cl incorporated into the Cu2O films, thus the doping level. The lowest resistivity obtained so far is 7 Ω-cm, suitable for solar cell applications. Photocurrent-potential measurements verify the n-type conductivity of Cl-doped Cu2O. Scanning electron microscopy indicates a small grain size of around 100 nm in Cl-doped Cu2O. X-ray diffraction confirms Cu2O as the only detectable phase in the film.

Original languageEnglish (US)
Pages (from-to)5363-5367
Number of pages5
JournalThin Solid Films
Volume518
Issue number19
DOIs
StatePublished - Jul 30 2010
Externally publishedYes

Fingerprint

Chlorine
Electrodeposition
electrodeposition
chlorine
Doping (additives)
electrical resistivity
Photocurrents
Oxide films
photocurrents
oxide films
Solar cells
Electric properties
solar cells
grain size
electrical properties
X ray diffraction
conductivity
Scanning electron microscopy
scanning electron microscopy
diffraction

Keywords

  • Chlorine
  • Copper oxide
  • Doping
  • Electrodeposition
  • N-type

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Materials Chemistry
  • Metals and Alloys
  • Surfaces, Coatings and Films
  • Surfaces and Interfaces

Cite this

Characterization of Cl-doped n-type Cu2O prepared by electrodeposition. / Han, Xiaofei; Han, Kunhee; Tao, Meng.

In: Thin Solid Films, Vol. 518, No. 19, 30.07.2010, p. 5363-5367.

Research output: Contribution to journalArticle

Han, Xiaofei ; Han, Kunhee ; Tao, Meng. / Characterization of Cl-doped n-type Cu2O prepared by electrodeposition. In: Thin Solid Films. 2010 ; Vol. 518, No. 19. pp. 5363-5367.
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