Influence of hydrothermal treatment on morphology and properties of ZnO nanostructures

Xinyi Chen; Alan M. C. Ng; Aleksandra B. Djurišić; Chi Chung Ling; Wai Kin Chan

doi:10.1117/12.907879

29 February 2012 Influence of hydrothermal treatment on morphology and properties of ZnO nanostructures

Xinyi Chen, Alan M. C. Ng, Aleksandra B. Djurišić, Chi Chung Ling, Wai Kin Chan

Proceedings Volume 8263, Oxide-based Materials and Devices III; 82631J (2012) https://doi.org/10.1117/12.907879
Event: SPIE OPTO, 2012, San Francisco, California, United States

Abstract

Hydrothermal treatment at low temperature (~150 ºC) was performed on different ZnO nanostructures grown on different substrates such as Si and ITO/glass. The water vapor environment and the high pressure of water vapor at that temperature were expected to improve the optical properties of ZnO nanorods. Under such mild condition, no significant morphology changes are expected. However, significant changes were observed in both morphology and optical properties. The morphology of ZnO nanostructures has been changed in various ways, depending on the growth conditions of ZnO nanostructures as well as the substrates. In the terms of optical properties, the increase of photoluminescence (PL) intensity was observed and the UV to visible ratio of ZnO PL spectra was also improved in some cases, while in others there has been no improvement. Hydrothermal treatment was also performed on zinc oxide precursor on Si substrates to study the possible Si contamination during the procedure. Zinc nitrate solution in ethanol was used as the precursor. As a result, an increase of the intensity of the broad peak around 430 nm which is related to silicon oxide was obtained.

Citation Download Citation

Xinyi Chen, Alan M. C. Ng, Aleksandra B. Djurišić, Chi Chung Ling, and Wai Kin Chan "Influence of hydrothermal treatment on morphology and properties of ZnO nanostructures", Proc. SPIE 8263, Oxide-based Materials and Devices III, 82631J (29 February 2012); https://doi.org/10.1117/12.907879

ACCESS THE FULL ARTICLE

INSTITUTIONAL
Select your institution to access the SPIE Digital Library.

SELECT YOUR INSTITUTION

PERSONAL
Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.

PERSONAL SIGN IN

No SPIE Account? Create one

PURCHASE THIS CONTENT

SUBSCRIBE TO DIGITAL LIBRARY

50 downloads per 1-year subscription

Members: $195

Non-members: $335 ADD TO CART

25 downloads per 1 - year subscription

Members: $145

Non-members: $250 ADD TO CART

PURCHASE SINGLE ARTICLE

Includes PDF, HTML & Video, when available