Au-nanoparticles-decorated MWCNTs demonstrating enhanced fluorescence and Raman spectroscopy.

Autor: Sharma, Himani, Kaushik, Vishakha, Avasthi, D. V., Shukla, A. K., Vankar, V. D.
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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