Enhanced gas-sensing performance of Au-modified ZnO nanoparticles synthesized using bamboo cellulose as a template

• Autorzy: Li, Y. , Zhao, F.-X. , Lian, X.-X.
• Języki publikacji: EN

Abstrakty

EN

Au-modified ZnO (Au/ZnO) nanoparticles (NPs) synthesized using bamboo cellulose template and calcination process were characterized using X-ray diffraction, field-emission scanning electron microscopy, and transmission electron microscopy. The gas-sensing performance of Au/ZnO NPs based sensors was also examined. The results indicated that the Au/ZnO NPs exhibited enhanced gas-sensing performance compared with that of pure ZnO. The response of the Au/ZnO NPs to 100 ppm ethanol (50) at 240 °C was nearly 2.7 times higher than that to acetone (18.4) and approximately 12.5 times higher than that to benzene (4.1), carbon monoxide (1.6), hydrogen (1.6), and methane (1.8), respectively, which demonstrated their higher selectivity to ethanol versus other gases. This high response to ethanol could be attributed to the small size, Schottky barrier, and catalysis.

Słowa kluczowe

EN

zinc oxide; gas-sensing; ethanol sensor; Au modification

• Czasopismo: Materials Science Poland
• Rocznik: 2016
• Tom: Vol. 34, No. 4
• Strony: 708--714
• Opis fizyczny: Bibliogr. 28 poz., rys.

Twórcy

autor

Li, Y.

• College of Science, Civil Aviation University of China, Tianjin 300300, PR China,

autor

Zhao, F.-X.

• College of Science, Civil Aviation University of China, Tianjin 300300, PR China

autor

Lian, X.-X.

• College of Science, Civil Aviation University of China, Tianjin 300300, PR China

Bibliografia

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Uwagi

Opracowanie ze środków MNiSW w ramach umowy 812/P-DUN/2016 na
działalność upowszechniającą naukę (zadania 2017).

Identyfikatory

DOI

10.1515/msp-2016-0107