Issue 25, 2013
From the journal:

Journal of Materials Chemistry A

Synthesis of mesoporous carbon fibers with a high adsorption capacity for bulky dye molecules

Yan Dong,a   Huiming Lin,*a   Qumei Jin,a   Lei Li,a   Dan Wang,a   Dan Zhoua  and  Fengyu Qu*a  

* Corresponding authors

a Key Laboratory for Photonic and Electronic Bandgap Materials, Ministry of Education, College of Chemistry and Chemical Engineering, Harbin Normal University, Harbin 150025, P. R. China
E-mail: qufengyuchem@yahoo.com.cn, hiuminglin@gmail.com
Fax: +86 0451 88060653
Tel: +86 0451 88060653

Abstract

The mesoporous carbon fibers, of about 400 to 900 nm in diameter, have been synthesized by an electrospinning method with PF resin and PVP as carbon sources and triblock copolymer Pluronic P123 and tetraethyl orthosilicate (TEOS) as mesoporous templates. All materials have large surface areas (1215–2092 m2 g−1), high pore volumes (0.66–1.37 cm3 g−1), and mesoporous structure (with pore sizes of 2.31–2.64, 3.79–3.86, and 5.68–5.70 nm). The adsorption capability of four dyes, methylthionine chloride, methyl orange, rhodamine B, and congo red have been investigated. All the adsorption isotherms fit the typical Langmuir adsorption model well. The mesoporous carbon fibers show high adsorption capacity for these bulky dye molecules. The adsorption amount is mainly determined by the surface area, pore size and the structure/size matching between adsorbent and adsorbate. With the highest BET surface area, C-3.5 (with 3.5 g TEOS) exhibits the highest adsorption amount (1044 mg g−1).

Graphical abstract: Synthesis of mesoporous carbon fibers with a high adsorption capacity for bulky dye molecules

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Article information

DOI
https://doi.org/10.1039/C3TA10787F
Article type
Paper
Submitted
23 Feb 2013
Accepted
11 Apr 2013
First published
11 Apr 2013

J. Mater. Chem. A, 2013,1, 7391-7398

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Synthesis of mesoporous carbon fibers with a high adsorption capacity for bulky dye molecules

Y. Dong, H. Lin, Q. Jin, L. Li, D. Wang, D. Zhou and F. Qu, J. Mater. Chem. A, 2013, 1, 7391 DOI: 10.1039/C3TA10787F

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