Copper doped zinc oxide micro- and nanostructures for room-temperature sensorial applications

Author

Lupan, Oleg ; Cretu, Viorica ; Sontea, Victor ; Railean, Serghei ; Ghimpu, Lidia ; Tiginyanu, Ion ; Rudzevich, Yauheni ; Yuqing Lin ; Lee Chow

Author_Institution

Dept. of Microelectron. & Biomed. Eng., Tech. Univ. of Moldova Chisinau, Chisinau, Moldova

Volume

1

fYear

2013

fDate

14-16 Oct. 2013

Firstpage

41

Lastpage

44

Abstract

Detection of hydrogen gas is important for safety reasons. To obtain improved hydrogen sensing performances for miniaturized sensors, copper doping in zinc oxide micro- and nanostructures were investigated. Samples were grown by hydrothermal technique at relatively low temperature and studied by X-ray diffraction, micro-Raman, SEM and sensorial techniques. It is found evidence on the improvement of the sensorial properties due to copper-doping in zinc oxide rods-like structures.

Keywords

III-V semiconductors; Raman spectroscopy; X-ray diffraction; copper; crystal growth from solution; gas sensors; hydrogen; microsensors; nanosensors; nanostructured materials; scanning electron microscopy; zinc compounds; H₂; SEM; X-ray diffraction; ZnO:Cu; hydrogen gas detection; hydrothermal technique; microRaman spectoscopy; microstructure sensor; nanostructure sensor; temperature 293 K to 298 K; Copper; Doping; Hydrogen; Nanostructures; Temperature sensors; Zinc oxide;

fLanguage

English

Publisher

ieee

Conference_Titel

Semiconductor Conference (CAS), 2013 International

Conference_Location

Sinaia

ISSN

1545-827X

Print_ISBN

978-1-4673-5670-1

Electronic_ISBN

1545-827X

Type

conf

DOI

10.1109/SMICND.2013.6688082

Filename

6688082