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3. Controlling the Growth of ZnO-SiO2 Nanostructures Using Pt-Coated Si Substrate

Author

Peguit, Amber Dea Marie V., primary, Candidato, Rolando T., additional, Vequizo, Reynaldo M., additional, Odarve, Majvell Kay G., additional, Sambo, Bianca Rae B., additional, Bagsican, Filchito Renè G., additional, Gambe, Jess E., additional, Paylaga, Giovanni G., additional, Jabian, Marven E., additional, and Alguno, Arnold C., additional

Published
2014
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5. Controlling the Growth of ZnO-SiO2 Nanostructures Using Pt-Coated Si Substrate

Author

Peguit, Amber Dea Marie V., Candidato, Rolando T., Vequizo, Reynaldo M., Odarve, Majvell Kay G., Sambo, Bianca Rae B., Bagsican, Filchito Renè G., Gambe, Jess E., Paylaga, Giovanni G., Jabian, Marven E., and Alguno, Arnold C.

Abstract

ZnO-SiO2 nanostructures were grown on both bare Si and Pt-coated Si substrates via chemical bath deposition (CBD). The grown nanostructures were characterized using Scanning Electron Microscope with Energy Dispersive X-ray Spectroscopy (SEM-EDS), Fourier Transform Infrared (FTIR) measurement and Ultraviolet-Visible (UV-Vis) absorption spectroscopy. Surface morphology results revealed that Pt-coated Si substrate have promoted the growth of ZnO-SiO2 nanostructures by providing more active sites for nucleation thus formation ZnO-SiO2 nanostructures were observed. It is believed that SiO2 will adhere to the non-polar sides of the grown ZnO nanostructures. This result is manifested in the FTIR spectra which showed a pronounced peak corresponding to ZnO-SiO2 grown on bare Si suggesting that more Si-O bonds are present. However, Pt-coating did not significantly affect the band gap of the grown ZnO-SiO2 nanostructures.

Published
2014
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