Preparation and field emission study of low-dimensional ZnS arrays and tubules

Monika, Rajesh Kumar, R. P. Chauhan, R. Kumar, S. K. Chakarvarti

Research output: Contribution to journalArticlepeer-review

9 Scopus citations

Abstract

In the present work, freestanding ZnS nanotipped arrays and hollow tubules have been generated using an electrodeposition technique via template synthesis. The structures and morphologies of the arrays and tubules were investigated using X-ray diffraction and scanning electron microscopy, respectively. Electron field emission properties of the ZnS nanotipped arrays and tubules have been studied in a good vacuum condition at room temperature and current–voltage characteristics were found to follow the Fowler–Nordheim theory.

It is found that ZnS tubules show good electron field emission properties at low voltage with large field enhancement factor compared to ZnS solid arrays. Optical properties of such synthesised structures were also studied using ultraviolet–visible spectrophotometery.

Original languageEnglish
Pages (from-to)126-134
Number of pages9
JournalJournal of Experimental Nanoscience
Volume10
Issue number2
DOIs
StatePublished - 20 Jan 2015
Externally publishedYes

Bibliographical note

Publisher Copyright:
© 2013, © 2013 Taylor & Francis.

Keywords

  • ZnS tubules
  • electrodeposition
  • field emission
  • template synthesis

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