Electrochemical Fabrication of Cadmium Chalcogenide Microdiode Arrays

Abstract

Arrays containing greater than 10(exp 9) 2000A-diameter CdSe or graded CdSe/CdTe cylinders have been electrochemically synthesized within the pores of Anopore(tm) membranes. The alumina template suppresses the 'cauliflower' morphology that is typically observed in electrodeposited CdSe and CdTe films, although X-ray diffraction reveals the materials to be of poor crystallinity. The Anopore membrane template can be removed by treatment with aqueous 1M NaOH, resulting in an array of free-standing CdSe or CdSe/CdTe wires. Current-voltage data show that the Ni/CdSe array is rectifying, with a rectification ratio of 1000 at + or - 2 V.... Nanoparticles, Nanosemiconductors.

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Document Details

Document Type
Technical Report
Publication Date
Apr 09, 1993
Accession Number
ADA263169

Entities

People

  • Charles J. Brumlik
  • Charles R. Martin
  • Dean Palmer
  • Jonathan D. Klein
  • Michael J. Sailor
  • Robert Herrick

Organizations

  • Colorado State University

Tags

Communities of Interest

  • Advanced Electronics

DTIC Thesaurus Topics

  • Chemistry
  • Detectors
  • Diffraction
  • Electrodeposition
  • Electron Microscopes
  • Electroplating
  • Films
  • Materials
  • Materials Processing
  • Membranes
  • Nanoparticles
  • Scanning Electron Microscopes
  • Semiconductors
  • Template Patterns
  • United States
  • X Rays
  • X-Ray Diffraction

Fields of Study

  • Materials science

Readers

  • Electrochemical Engineering/ Fuel Cell Technologies
  • Thin Film Deposition Science.

Technology Areas

  • Biotechnology