Solution growth of ZnO sub-micro rods enhanced by electric field

• Autorzy: Pisarkiewicz T. , Kenig T. , Rydosz A. , Maziarz W.
• Konferencja: Conference “Optical Fibers and Their Applications” in Białowieża, Styczeń 2011
• Języki publikacji: EN

Abstrakty

EN

Recently the one-dimensional ZnO nanostructures have attracted much attention in gas sensor applications owing to their increased role of the surface. The authors have obtained ZnO rods of sub-micron size using the solution growth method with the growth temperature below 100.C. Investigations indicate that the rods have a well-defined hexagonal morphology and a wurtzite structure. The best uniformity and alignment of the sub-micron crystals was however obtained when electrodeposition from aqueous solution was developed. Sizes of these rods depend on the growth parameters. Moreover electrodeposition leads to a faster growth rate of ZnO sub-micron rods (2 hrs) as compared to the growth from solution (8 hrs). After electrodeposition the rods can be easily reoriented in external electric fields by using substrates with electrodes of appropriate geometry and configuration (dielectrophoretic effect). This enables the preparation of samples which can be used in gas sensor technology.

Słowa kluczowe

EN

nanowires; electrodeposition; dielectrophoretic effect; zinc oxide

• Wydawca: Polska Akademia Nauk, Wydział IV Nauk Technicznych
• Czasopismo: Bulletin of the Polish Academy of Sciences. Technical Sciences
• Rocznik: 2011
• Tom: Vol. 59, nr 4
• Strony: 425--428
• Opis fizyczny: Bibliogr. 15 poz., rys., tab.

Twórcy

autor

Pisarkiewicz T.

autor

Kenig T.

autor

Rydosz A.

autor

Maziarz W.

• Department of Electronics, AGH University of Science and Technology, 30 Mickiewicza Ave., 30-059 Krakow, Poland,

Bibliografia

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