Autor: |
Sharma, Himani, Kaushik, Vishakha, Avasthi, D. V., Shukla, A. K., Vankar, V. D. |
Předmět: |
|
Zdroj: |
AIP Conference Proceedings; 6/25/2012, Vol. 1451 Issue 1, p58-60, 3p |
Abstrakt: |
The gas sensing characteristics of ZnO nanowires (NWs) coated with different thickness of CuO film have been investigated. ZnO NWs were grown on Si/SiO2 by hydrothermal method and CuO films were deposited by thermal evaporation. It has been found that ZnO NWs exhibit characteristic n-type behavior upto a CuO thickness of 50 nm; whereas at higher thickness the samples show p-type behavior (typical of CuO). At a CuO thickness of 10 nm the sensitivity towards H2S was 500% more as compared to pure ZnO NWs films. In addition, the operating temperature was reduced to 200°C. [ABSTRACT FROM AUTHOR] |
Databáze: |
Complementary Index |
Externí odkaz: |
|