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Hydrogen sensing properties of ZnO nanorods: Effects of annealing, temperature and electrode structure

Identifieur interne : 000109 ( Main/Repository ); précédent : 000108; suivant : 000110

Hydrogen sensing properties of ZnO nanorods: Effects of annealing, temperature and electrode structure

Auteurs : RBID : Pascal:14-0088742

Descripteurs français

Pascal (Inist)
- Hydrogène, Recuit, Capteur de gaz.
Wicri :
- concept : Hydrogène.

English descriptors

KwdEn :
- Annealing, Gas sensors, Hydrogen.

Abstract

In this study, the hydrogen (H₂) sensing properties of vertically aligned zinc oxide (ZnO) nanorods were investigated depending on annealing, Pd coating, temperature and electrode structure. ZnO nanorods were fabricated by using hydrothermal method on a glass substrate and an indium tin oxide (ITO) coated glass substrate. In order to determine the effects of annealing on the H₂ sensor performance, the nanorods were heated at 500 °C in dry air. H₂ sensing measurements were done in the temperature range of 25-200 °C. It was found that, the sensor response of Pd coated ZnO nanorods were much higher than the uncoated nanorods due to the catalytic effect of Pd thin film. Moreover, the un-annealed samples showed better sensor response than the annealed samples due to the number of oxygen deficiency. In addition, the lateral electrode structure showed higher sensor response than the sandwich electrode structure.

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Pascal:14-0088742

Le document en format XML

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<s2>34450 Sariyer, Istanbul</s2>
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<country>Turquie</country>
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<author><name sortKey="Torun, Imren" uniqKey="Torun I">Imren Torun</name>
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<author><name sortKey="Kosemen, Arif" uniqKey="Kosemen A">Arif Kösemen</name>
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<author><name sortKey="Ozt Rk, Zafer Ziya" uniqKey="Ozt Rk Z">Zafer Ziya Özt Rk</name>
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<affiliation wicri:level="1"><inist:fA14 i1="04"><s1>TÜBITAK-Marmara Research Center, Materials Institute</s1>
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<seriesStmt><idno type="ISSN">0360-3199</idno>
<title level="j" type="abbreviated">Int. j. hydrogen energy</title>
<title level="j" type="main">International journal of hydrogen energy</title>
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<front><div type="abstract" xml:lang="en">In this study, the hydrogen (H<sub>2</sub>
) sensing properties of vertically aligned zinc oxide (ZnO) nanorods were investigated depending on annealing, Pd coating, temperature and electrode structure. ZnO nanorods were fabricated by using hydrothermal method on a glass substrate and an indium tin oxide (ITO) coated glass substrate. In order to determine the effects of annealing on the H<sub>2</sub>
 sensor performance, the nanorods were heated at 500 °C in dry air. H<sub>2</sub>
 sensing measurements were done in the temperature range of 25-200 °C. It was found that, the sensor response of Pd coated ZnO nanorods were much higher than the uncoated nanorods due to the catalytic effect of Pd thin film. Moreover, the un-annealed samples showed better sensor response than the annealed samples due to the number of oxygen deficiency. In addition, the lateral electrode structure showed higher sensor response than the sandwich electrode structure.</div>
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<fA11 i1="01" i2="1"><s1>ÖZTÜRK (Sadullah)</s1>
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<fA11 i1="02" i2="1"><s1>KILINC (Necmettin)</s1>
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<fA14 i1="03"><s1>Muş Alparslan University, Department of Physics</s1>
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<fA60><s1>P</s1>
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<fC01 i1="01" l="ENG"><s0>In this study, the hydrogen (H<sub>2</sub>
) sensing properties of vertically aligned zinc oxide (ZnO) nanorods were investigated depending on annealing, Pd coating, temperature and electrode structure. ZnO nanorods were fabricated by using hydrothermal method on a glass substrate and an indium tin oxide (ITO) coated glass substrate. In order to determine the effects of annealing on the H<sub>2</sub>
 sensor performance, the nanorods were heated at 500 °C in dry air. H<sub>2</sub>
 sensing measurements were done in the temperature range of 25-200 °C. It was found that, the sensor response of Pd coated ZnO nanorods were much higher than the uncoated nanorods due to the catalytic effect of Pd thin film. Moreover, the un-annealed samples showed better sensor response than the annealed samples due to the number of oxygen deficiency. In addition, the lateral electrode structure showed higher sensor response than the sandwich electrode structure.</s0>
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<fC02 i1="02" i2="X"><s0>230</s0>
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<s2>NC</s2>
<s5>01</s5>
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<s2>NC</s2>
<s5>01</s5>
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<s5>02</s5>
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<s5>02</s5>
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<s5>03</s5>
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</fN21>
<fN44 i1="01"><s1>OTO</s1>
</fN44>
<fN82><s1>OTO</s1>
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Hydrogen sensing properties of ZnO nanorods: Effects of annealing, temperature and electrode structure

Hydrogen sensing properties of ZnO nanorods: Effects of annealing, temperature and electrode structure

Descripteurs français

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

Links to Exploration step

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri