Ag nanoparticles decorated ZnO tip-likenanowire for improving gas sensing applications

A. Ramos-Carrazco, J. V. Lopez-Fernandez, R. Rangel-Segura, J. R. Noriega, D. Berman-Mendoza, R. Garcia-Gutierrez, A. Vera-Marquina, R. Gomez-Fuentes, G. Valenzuela-Hernandez*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

The growth of Ag NPs decorated ZnO tip-like nanowires was obtained by a combination of the chemical vapor deposition and the micro-spraying methods. ZnO growth was analyzed by a two-level factorial experimental design with temperature, pressure, and zinc mass as the main parameters. The process of Ag NPs synthesis by electrolysis and their transport to the semiconductor surface using micro-spraying is presented in detail. By means of electrical and X-ray photoelectron spectroscopy, the potential of Ag NPs decorated ZnO tip-like nanowires to be used an active layer in gas sensor is demonstrated.

Original languageEnglish
Pages (from-to)331-343
Number of pages13
JournalJournal of Ovonic Research
Volume19
Issue number3
DOIs
StatePublished - 1 May 2023

Bibliographical note

Publisher Copyright:
© 2023, S.C. Virtual Company of Phisics S.R.L. All rights reserved.

Keywords

  • Chemical vapor deposition
  • Gas sensor
  • Silver nanoparticles
  • Zinc oxide

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