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Materials 2016, 9(8), 656; doi:10.3390/ma9080656

Patterned Well-Aligned ZnO Nanorods Assisted with Polystyrene Monolayer by Oxygen Plasma Treatment

1
Department of Chemistry, Sungkyunkwan University, Suwon 16419, Korea
2
Institute of Basic Science, Sungkyunkwan University, Suwon 16419, Korea
*
Author to whom correspondence should be addressed.
Academic Editor: Giorgio Biasiol
Received: 27 May 2016 / Revised: 11 July 2016 / Accepted: 2 August 2016 / Published: 5 August 2016
(This article belongs to the Special Issue Selected Papers from ICASI 2016)
View Full-Text   |   Download PDF [2093 KB, uploaded 5 August 2016]   |  

Abstract

Zinc oxide is known as a promising material for sensing devices due to its piezoelectric properties. In particular, the alignment of ZnO nanostructures into ordered nanoarrays is expected to improve the device sensitivity due to the large surface area which can be utilized to capture significant quantities of gas particles. However, ZnO nanorods are difficult to grow on the quartz substrate with well-ordered shape. So, we investigated nanostructures by adjusting the interval distance of the arranged ZnO nanorods using polystyrene (PS) spheres of various sizes (800 nm, 1300 nm and 1600 nm). In addition, oxygen plasma treatment was used to specify the nucleation site of round, patterned ZnO nanorod growth. Therefore, ZnO nanorods were grown on a quartz substrate with a patterned polystyrene monolayer by the hydrothermal method after oxygen plasma treatment. The obtained ZnO nanostructures were characterized by X-ray diffraction (XRD) and field-emission scanning electron microscope (FE-SEM). View Full-Text
Keywords: ZnO nanorods; hydrothermal method; polystyrene monolayer; oxygen plasma treatment ZnO nanorods; hydrothermal method; polystyrene monolayer; oxygen plasma treatment
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Choi, H.J.; Lee, Y.-M.; Yu, J.-H.; Hwang, K.-H.; Boo, J.-H. Patterned Well-Aligned ZnO Nanorods Assisted with Polystyrene Monolayer by Oxygen Plasma Treatment. Materials 2016, 9, 656.

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