Fabrication and optical properties of Ti-doped W18O 49nanorods using a modified plasma-arc gas-condensation technique

Cherng Yuh Su, Hsuan Ching Lin, Chung Kwei Lin

Research output: Contribution to journalArticle

18 Citations (Scopus)

Abstract

In this study, Ti-doped W18 O49 nanorods were prepared without any templates or catalysts using a modified plasma-arc gas-condensation technique. Structure investigations were conducted and the optical properties of the as-prepared nanorods were characterized by field emission gun scanning electron microscope, high-resolution transmission electron microscope, x-ray diffractometer, x-ray photoelectron spectroscope, micro-Raman, and ultraviolet (UV)-visible spectrometers. The experimental results showed that the diameter and the length of the as-prepared nanorods were approximately 20 nm and 3 μm, respectively. The as-prepared nanorods exhibited W18 O49 structures and characteristic Raman peaks could be observed. UV-visible absorption investigations revealed that Ti-doped W18 O49 nanorods exhibited a redshift phenomenon when compared with the pure Ti O2 and W O3.

Original languageEnglish
Pages (from-to)2170-2174
Number of pages5
JournalJournal of Vacuum Science and Technology B: Microelectronics and Nanometer Structures
Volume27
Issue number5
DOIs
Publication statusPublished - 2009
Externally publishedYes

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Electrical and Electronic Engineering

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