Fast economical synthesis of Fe-doped ZnO hierarchical nanostructures and their high gas-sensing performance

Yu Cai; Huiqing Fan; Mengmeng Xu; Qiang Li; Changbai Long

doi:10.1039/c3ce40915e

Fast economical synthesis of Fe-doped ZnO hierarchical nanostructures and their high gas-sensing performance

Yu Cai
, Huiqing Fan
, Mengmeng Xu
, Qiang Li
, Changbai Long

School of Materials Sience and Engineering

Northwestern Polytechnical University Xian

Research output: Contribution to journal › Article › peer-review

46 Scopus citations

Abstract

The Fe-doped ZnO with excellent porous features was successfully fabricated via a fast economical solution combustion synthesis. The morphology and the porous nature were characterized by SEM, TEM and BET-N₂ adsorption-desorption analysis. The results of XRD Rietveld refinements and Raman spectra demonstrate that the dopant was successfully incorporated into the nanostructure ZnO lattice. The gas-sensing tests show that the sensors based on Zn_0.97Fe_0.03O have high sensitivity, quick response, excellent selectivity and long-time stability for detecting ethanol vapor. AC impedance spectroscopy and DC electrical conductivity measurements were used to investigate the gas-sensing mechanism, and the results demonstrate that the O^- (300-400 °C) on the surface is the most reactive species with ethanol gas.

Original language	English
Pages (from-to)	7339-7345
Number of pages	7
Journal	CrystEngComm
Volume	15
Issue number	36
DOIs	https://doi.org/10.1039/c3ce40915e
State	Published - 28 Sep 2013

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title = "Fast economical synthesis of Fe-doped ZnO hierarchical nanostructures and their high gas-sensing performance",

abstract = "The Fe-doped ZnO with excellent porous features was successfully fabricated via a fast economical solution combustion synthesis. The morphology and the porous nature were characterized by SEM, TEM and BET-N2 adsorption-desorption analysis. The results of XRD Rietveld refinements and Raman spectra demonstrate that the dopant was successfully incorporated into the nanostructure ZnO lattice. The gas-sensing tests show that the sensors based on Zn0.97Fe0.03O have high sensitivity, quick response, excellent selectivity and long-time stability for detecting ethanol vapor. AC impedance spectroscopy and DC electrical conductivity measurements were used to investigate the gas-sensing mechanism, and the results demonstrate that the O- (300-400 °C) on the surface is the most reactive species with ethanol gas.",

author = "Yu Cai and Huiqing Fan and Mengmeng Xu and Qiang Li and Changbai Long",

year = "2013",

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doi = "10.1039/c3ce40915e",

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T1 - Fast economical synthesis of Fe-doped ZnO hierarchical nanostructures and their high gas-sensing performance

AU - Cai, Yu

AU - Fan, Huiqing

AU - Xu, Mengmeng

AU - Li, Qiang

AU - Long, Changbai

PY - 2013/9/28

Y1 - 2013/9/28

N2 - The Fe-doped ZnO with excellent porous features was successfully fabricated via a fast economical solution combustion synthesis. The morphology and the porous nature were characterized by SEM, TEM and BET-N2 adsorption-desorption analysis. The results of XRD Rietveld refinements and Raman spectra demonstrate that the dopant was successfully incorporated into the nanostructure ZnO lattice. The gas-sensing tests show that the sensors based on Zn0.97Fe0.03O have high sensitivity, quick response, excellent selectivity and long-time stability for detecting ethanol vapor. AC impedance spectroscopy and DC electrical conductivity measurements were used to investigate the gas-sensing mechanism, and the results demonstrate that the O- (300-400 °C) on the surface is the most reactive species with ethanol gas.

AB - The Fe-doped ZnO with excellent porous features was successfully fabricated via a fast economical solution combustion synthesis. The morphology and the porous nature were characterized by SEM, TEM and BET-N2 adsorption-desorption analysis. The results of XRD Rietveld refinements and Raman spectra demonstrate that the dopant was successfully incorporated into the nanostructure ZnO lattice. The gas-sensing tests show that the sensors based on Zn0.97Fe0.03O have high sensitivity, quick response, excellent selectivity and long-time stability for detecting ethanol vapor. AC impedance spectroscopy and DC electrical conductivity measurements were used to investigate the gas-sensing mechanism, and the results demonstrate that the O- (300-400 °C) on the surface is the most reactive species with ethanol gas.

UR - https://www.scopus.com/pages/publications/84882792386

U2 - 10.1039/c3ce40915e

DO - 10.1039/c3ce40915e

M3 - 文章

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SN - 1466-8033

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SP - 7339

EP - 7345

JO - CrystEngComm

JF - CrystEngComm

IS - 36

ER -

Fast economical synthesis of Fe-doped ZnO hierarchical nanostructures and their high gas-sensing performance

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