Issue 13, 2014

In–Ga–Zn oxide nanoparticles acting as an oxide semiconductor material synthesized via a coprecipitation-based method

Abstract

Indium–gallium–zinc oxide (IGZO) nanoparticles that can act as an oxide semiconductor were successfully synthesized using a coprecipitation method via the hydrolysis of urea in aqueous media containing ethylene glycol. The resulting IGZO precursor nanoparticles contain crystalline indium hydroxide and zinc–gallium carbonate. Sintering the precursor nanoparticles at temperatures higher than 300 °C provides amorphous IGZO nanoparticles, while poly-crystalline IGZO nanoparticles are obtained at temperatures above 700 °C. Poly-crystalline IGZO ink was prepared using the IGZO nanoparticles for the fabrication of a thin film transistor (TFT). Annealing at temperatures higher than 400 °C for 30 min gives the desired TFT switching properties due to the removal of the organic fraction contained in the ink.

Graphical abstract: In–Ga–Zn oxide nanoparticles acting as an oxide semiconductor material synthesized via a coprecipitation-based method

Supplementary files

Article information

Article type
Paper
Submitted
04 Oct 2013
Accepted
10 Jan 2014
First published
13 Jan 2014

J. Mater. Chem. C, 2014,2, 2448-2454

In–Ga–Zn oxide nanoparticles acting as an oxide semiconductor material synthesized via a coprecipitation-based method

N. Fukuda, Y. Watanabe, S. Uemura, Y. Yoshida, T. Nakamura and H. Ushijima, J. Mater. Chem. C, 2014, 2, 2448 DOI: 10.1039/C3TC31944J

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