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Hydrothermal synthesis of WO 3 nanorod s: structure, growth and gas sensing properties

SHIXIU CAO1, HUI CHEN1,*

Affiliation

  1. Research institute for new material technology, Chongqing University of Arts and Science, Chongqing , 402160, Chin a

Abstract

U nique WO 3 nanorod s w ere synt hesized successfully via a novel one step hydrothermal method with the assistance of potassium sulfate K 2 SO 4 The WO 3 nanorod s had uniform size with diameters around 30 nm and length up to 100~250nm. Moreover, it was surprisingly noticed that the K 2 SO 4 played a key factor on fabrications of WO 3 nanorod s . A possible growth mechanism of th e WO 3 nanorod s was also proposed. We found that the WO 3 nanorod s show ed excellent gas sensing performances towards ethanol The facile preparation method and the improved properties derived from the one dimensional structures of nanorod s are significant in the synthesis and future applications of functional nanomaterials..

Keywords

WO 3 Hydrothermal Microstructure Crystal growth Se nsors.

Citation

SHIXIU CAO, HUI CHEN, Hydrothermal synthesis of WO 3 nanorod s: structure, growth and gas sensing properties, Optoelectronics and Advanced Materials - Rapid Communications, 12, 11-12, November-December 2018, pp.749-753 (2018).

Submitted at: April 27, 2018

Accepted at: Nov. 29, 2018