Wettability and photocatalysis of CF4 plasma etched titania films of honeycomb structure

Do Yeon Kim; Jung Jae Park; Jong Gun Lee; Maikel F.A.M. Van Hest; Sam S. Yoon

doi:10.1016/j.ceramint.2013.04.094

Wettability and photocatalysis of CF₄ plasma etched titania films of honeycomb structure

Do Yeon Kim, Jung Jae Park, Jong Gun Lee, Maikel F.A.M. Van Hest, Sam S. Yoon

School of Mechanical Engineering

Research output: Contribution to journal › Article › peer-review

5 Citations (Scopus)

Abstract

We prepared titania films by aerosol deposition (AD), in which titania powder is supersonically accelerated for deposition onto a substrate. These AD titania films exhibited hydrophilicity and photocatalysis under UV exposure. However, after surface modification by CF₄ plasma-etching, the films showed higher hydrophilicity and lower photocatalytic effect. After sufficient modification, they exhibited superhydrophilicity, which was induced by the presence of fluorine. This type of surface modification is useful for promoting hydrophilicity under no UV light exposure.

Original language	English
Pages (from-to)	9737-9742
Number of pages	6
Journal	Ceramics International
Volume	39
Issue number	8
DOIs	https://doi.org/10.1016/j.ceramint.2013.04.094
Publication status	Published - 2013 Dec

Keywords

Aerosol deposition
CF etching
D. TiO
Superhydrophilic
UV-light

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Ceramics and Composites
Process Chemistry and Technology
Surfaces, Coatings and Films
Materials Chemistry

Access to Document

10.1016/j.ceramint.2013.04.094

Cite this

@article{12dbc4c50bbb4a57944684670bf942b2,

title = "Wettability and photocatalysis of CF4 plasma etched titania films of honeycomb structure",

abstract = "We prepared titania films by aerosol deposition (AD), in which titania powder is supersonically accelerated for deposition onto a substrate. These AD titania films exhibited hydrophilicity and photocatalysis under UV exposure. However, after surface modification by CF4 plasma-etching, the films showed higher hydrophilicity and lower photocatalytic effect. After sufficient modification, they exhibited superhydrophilicity, which was induced by the presence of fluorine. This type of surface modification is useful for promoting hydrophilicity under no UV light exposure.",

keywords = "Aerosol deposition, CF etching, D. TiO, Superhydrophilic, UV-light",

author = "Kim, {Do Yeon} and Park, {Jung Jae} and Lee, {Jong Gun} and {Van Hest}, {Maikel F.A.M.} and Yoon, {Sam S.}",

note = "Funding Information: This work was supported by the Center for Inorganic Photovoltaic Materials ( NRF-2013-0001169 ) funded by the Korean government (MEST) , 2010K000969 , B551179-08-03-00 , and KUCE Crimson Professorship.",

year = "2013",

month = dec,

doi = "10.1016/j.ceramint.2013.04.094",

language = "English",

volume = "39",

pages = "9737--9742",

journal = "Ceramics International",

issn = "0272-8842",

publisher = "Elsevier Limited",

number = "8",

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TY - JOUR

T1 - Wettability and photocatalysis of CF4 plasma etched titania films of honeycomb structure

AU - Kim, Do Yeon

AU - Park, Jung Jae

AU - Lee, Jong Gun

AU - Van Hest, Maikel F.A.M.

AU - Yoon, Sam S.

N1 - Funding Information: This work was supported by the Center for Inorganic Photovoltaic Materials ( NRF-2013-0001169 ) funded by the Korean government (MEST) , 2010K000969 , B551179-08-03-00 , and KUCE Crimson Professorship.

PY - 2013/12

Y1 - 2013/12

N2 - We prepared titania films by aerosol deposition (AD), in which titania powder is supersonically accelerated for deposition onto a substrate. These AD titania films exhibited hydrophilicity and photocatalysis under UV exposure. However, after surface modification by CF4 plasma-etching, the films showed higher hydrophilicity and lower photocatalytic effect. After sufficient modification, they exhibited superhydrophilicity, which was induced by the presence of fluorine. This type of surface modification is useful for promoting hydrophilicity under no UV light exposure.

AB - We prepared titania films by aerosol deposition (AD), in which titania powder is supersonically accelerated for deposition onto a substrate. These AD titania films exhibited hydrophilicity and photocatalysis under UV exposure. However, after surface modification by CF4 plasma-etching, the films showed higher hydrophilicity and lower photocatalytic effect. After sufficient modification, they exhibited superhydrophilicity, which was induced by the presence of fluorine. This type of surface modification is useful for promoting hydrophilicity under no UV light exposure.

KW - Aerosol deposition

KW - CF etching

KW - D. TiO

KW - Superhydrophilic

KW - UV-light

UR - http://www.scopus.com/inward/record.url?scp=84883748590&partnerID=8YFLogxK

U2 - 10.1016/j.ceramint.2013.04.094

DO - 10.1016/j.ceramint.2013.04.094

M3 - Article

AN - SCOPUS:84883748590

SN - 0272-8842

VL - 39

SP - 9737

EP - 9742

JO - Ceramics International

JF - Ceramics International

IS - 8

ER -