Fabrication of 3D macroporous structures of II-VI and III-V semiconductors using electrochemical deposition

Yi Cheng Lee, Tsung Jung Kuo, Chih Jung Hsu, Ya Wen Su, Chia Chun Chen

Research output: Contribution to journalArticle

44 Citations (Scopus)

Abstract

Close-packed three-dimensional (3D) arrays of silica spheres assembled on an indium tin oxide (ITO) substrate surface have been prepared using sedimentation in the solution. Both galvanostatic and potentiostatic electrochemical depositions have been tested to infiltrate six different semiconductors, ZnSe, PbSe, CdSe, CdS, CdTe, and GaAs, onto the 3D silica arrays. The detailed studies of deposition parameters such as current density, deposition time, concentrations of electrolytes, solvents, and temperatures were performed to ensure the quality of resulting semiconductor films on the arrays. Followed by the removal of the silica arrays, 3D macroporous structures made from those semiconductors were obtained, and the structures exhibited 3D periodicity and uniformity. Clear diffraction peaks at ∼1350 nm of CdSe and CdS macroporous films were observed.

Original languageEnglish
Pages (from-to)9942-9946
Number of pages5
JournalLangmuir
Volume18
Issue number25
DOIs
Publication statusPublished - Dec 10 2002
Externally publishedYes

Fingerprint

Silicon Dioxide
Silica
Semiconductor materials
Fabrication
fabrication
silicon dioxide
Tin oxides
Sedimentation
Indium
Electrolytes
Current density
Diffraction
indium oxides
tin oxides
periodic variations
electrolytes
Substrates
current density
III-V semiconductors
diffraction

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Colloid and Surface Chemistry

Cite this

Fabrication of 3D macroporous structures of II-VI and III-V semiconductors using electrochemical deposition. / Lee, Yi Cheng; Kuo, Tsung Jung; Hsu, Chih Jung; Su, Ya Wen; Chen, Chia Chun.

In: Langmuir, Vol. 18, No. 25, 10.12.2002, p. 9942-9946.

Research output: Contribution to journalArticle

Lee, Yi Cheng ; Kuo, Tsung Jung ; Hsu, Chih Jung ; Su, Ya Wen ; Chen, Chia Chun. / Fabrication of 3D macroporous structures of II-VI and III-V semiconductors using electrochemical deposition. In: Langmuir. 2002 ; Vol. 18, No. 25. pp. 9942-9946.
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