Highly sensitive and selective ethanol and acetone gas sensors by adding some dopants (Mn, Fe, Co, Ni) onto hexagonal ZnO plates
1 mol% Mn-, Fe-, Co- and Ni-doped and single phase hexagonal ZnO plates have been synthesized via a simple low temperature hydrothermal method using d -ribose as a template. The influence of the dopant species on the structural, optical and sensing properties was studied using X-ray diffraction (XRD...
Saved in:
Published in | RSC advances Vol. 6; no. 1; pp. 7838 - 7845 |
---|---|
Main Authors | , , , |
Format | Journal Article |
Language | English |
Published |
01.01.2016
|
Subjects | |
Online Access | Get full text |
Cover
Loading…
Summary: | 1 mol% Mn-, Fe-, Co- and Ni-doped and single phase hexagonal ZnO plates have been synthesized
via
a simple low temperature hydrothermal method using
d
-ribose as a template. The influence of the dopant species on the structural, optical and sensing properties was studied using X-ray diffraction (XRD), scanning electron microscopy (SEM), UV-vis spectroscopy, photoluminescence (PL) and a gas sensor characterization system. The results show that the dopant species have a significant effect on the morphology, crystallite size, photoluminescence and sensing properties. Co-doped ZnO shows the highest response, of 570, and selectivity to 300 ppm ethanol, compared to the other sensors. In addition, the Mn- and Ni-doped ZnO sensors show a selective response to acetone in the presence of CO and ethanol, while Fe-doped ZnO shows no considerable response to CO, ethanol and acetone gases.
1 mol% Mn-, Fe-, Co- and Ni-doped and single phase hexagonal ZnO plates have been synthesized
via
a simple low temperature hydrothermal method using
d
-ribose as a template. |
---|---|
Bibliography: | ObjectType-Article-1 SourceType-Scholarly Journals-1 ObjectType-Feature-2 content type line 23 |
ISSN: | 2046-2069 2046-2069 |
DOI: | 10.1039/c5ra24169c |