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Journal of Zhejiang University SCIENCE A 2008 Vol.9 No.7 P.981~987

http://doi.org/10.1631/jzus.A0720089


Fibrous TiO2 prepared by chemical vapor deposition using activated carbon fibers as template via adsorption, hydrolysis and calcinations


Author(s):  Hui-na YANG, Li-fen LIU, Feng-lin YANG, Jimmy C. YU

Affiliation(s):  School of Chemical Engineering, Dalian University of Technology, Dalian 116023, China; more

Corresponding email(s):   yuzhe25521@yahoo.com.cn

Key Words:  Chemical vapor deposition (CVD), Porous material, Activated carbon fiber (ACF)


Hui-na YANG, Li-fen LIU, Feng-lin YANG, Jimmy C. YU. Fibrous TiO2 prepared by chemical vapor deposition using activated carbon fibers as template via adsorption, hydrolysis and calcinations[J]. Journal of Zhejiang University Science A, 2008, 9(7): 981~987.

@article{title="Fibrous TiO2 prepared by chemical vapor deposition using activated carbon fibers as template via adsorption, hydrolysis and calcinations",
author="Hui-na YANG, Li-fen LIU, Feng-lin YANG, Jimmy C. YU",
journal="Journal of Zhejiang University Science A",
volume="9",
number="7",
pages="981~987",
year="2008",
publisher="Zhejiang University Press & Springer",
doi="10.1631/jzus.A0720089"
}

%0 Journal Article
%T Fibrous TiO2 prepared by chemical vapor deposition using activated carbon fibers as template via adsorption, hydrolysis and calcinations
%A Hui-na YANG
%A Li-fen LIU
%A Feng-lin YANG
%A Jimmy C. YU
%J Journal of Zhejiang University SCIENCE A
%V 9
%N 7
%P 981~987
%@ 1673-565X
%D 2008
%I Zhejiang University Press & Springer
%DOI 10.1631/jzus.A0720089

TY - JOUR
T1 - Fibrous TiO2 prepared by chemical vapor deposition using activated carbon fibers as template via adsorption, hydrolysis and calcinations
A1 - Hui-na YANG
A1 - Li-fen LIU
A1 - Feng-lin YANG
A1 - Jimmy C. YU
J0 - Journal of Zhejiang University Science A
VL - 9
IS - 7
SP - 981
EP - 987
%@ 1673-565X
Y1 - 2008
PB - Zhejiang University Press & Springer
ER -
DOI - 10.1631/jzus.A0720089


Abstract: 
TiO2 fibers were prepared via alternatively introducing water vapor and Ti precursor carried by N2 to an APCVD (chemical vapor deposition under atmospheric pressure) reactor at ≤200 °C. Activated carbon fibers (ACFs) were used as templates for deposition and later removed by calcinations. The obtained catalysts were characterized by scanning electron microscopy (SEM), transmission electron microscopy (TEM), Brunauer, Emmett and Teller (BET) and X-ray diffraction (XRD) analysis. The pores within TiO2 fibers included micro-range and meso-range, e.g., 7 nm, and the specific surface areas for TiO2 fibers were 141 m2/g and 148 m2/g for samples deposited at 100 °C and 200 °C (using ACF1700 as template), respectively. The deposition temperature significantly influenced TiO2 morphology. The special advantages of this technique for preparing porous nano-material include no consumption of organic solvent in the process and easy control of deposition conditions and speeds.

Darkslateblue:Affiliate; Royal Blue:Author; Turquoise:Article

Reference

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