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  5. Highly Ordered Large-Area Colloid Templates for Nanostructured TiO<SUB>2</SUB> Thin Film Gas Sensors

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Article
en
2012

Highly Ordered Large-Area Colloid Templates for Nanostructured TiO<SUB>2</SUB> Thin Film Gas Sensors

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0 Files

en
2012
Vol 12 (4)
Vol. 12
DOI: 10.1166/jnn.2012.5589

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Ho Won Jang
Ho Won Jang

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Hi Gyu Moon
Young-Seok Shim
Do Hong Kim
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Abstract

We report a novel process that uses highly ordered colloidal templating to fabricate nanostructured TiO2 thin film gas sensors. An O2 plasma treatment is used to decrease the contact angle of a water droplet on a SiO2/Si substrate from 46 degrees to 3 degrees. The formation of this hydrophilic surface enhances the adhesion of polystyrene microspheres to the substrate during the spin coating of the colloidal solution, leading to a large-area colloid template of closely packed monolayer microspheres on the substrates. Embossed TiO2 thin film gas sensors fabricated through highly ordered colloidal templating using O2 plasma exhibit substantially enhanced gas sensing performance as compared to those without surface treatments prior to colloidal templating.

How to cite this publication

Hi Gyu Moon, Young-Seok Shim, Do Hong Kim, Ho Won Jang, Seunghee Han, Hyung‐Ho Park, Soek-Jin Yoon (2012). Highly Ordered Large-Area Colloid Templates for Nanostructured TiO<SUB>2</SUB> Thin Film Gas Sensors. , 12(4), DOI: https://doi.org/10.1166/jnn.2012.5589.

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Publication Details

Type

Article

Year

2012

Authors

7

Datasets

0

Total Files

0

Language

en

DOI

https://doi.org/10.1166/jnn.2012.5589

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