Fabrics coated with hot-iron-treated graphene oxide for a self-cleaning and mechanically robust water-oil separation material

Tao Gong; Jongwoon Kim; Ju Yeon Woo; Jin Hyeok Jang; Seung Eun Lee; Chang Soo Han

doi:10.1039/c7ra03127k

Fabrics coated with hot-iron-treated graphene oxide for a self-cleaning and mechanically robust water-oil separation material

Tao Gong
, Jongwoon Kim
, Ju Yeon Woo
, Jin Hyeok Jang
, Seung Eun Lee
, Chang Soo Han^*

^*Corresponding author for this work

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

12 Citations (Scopus)

Abstract

A simple method was reported to fabricate self-cleaning and water-oil separation fabrics sprayed with hot-iron-treated graphene oxide (GO). The GO solution was prepared with a modified Hummers' method and coated on the fabrics by spraying or soaking method. A 160 °C hot iron was pressed at the surface of the fabrics to make it flat, dry, thermally reduced in part, and strongly bonded. Afterward, the fabrics were thermally reduced at 250 °C for 20 minutes in an oven. The reduced graphene oxide (rGO) coated fabrics exhibited a superhydrophobic nature with a water contact angle of 129.4°, through which water could barely permeate the fabrics, in contrast to oil and organic solvents of low polarity. Additionally, this rGO fabric presented outstanding mechanical properties as well as a reusable stability.

Original language	English
Pages (from-to)	25796-25802
Number of pages	7
Journal	RSC Advances
Volume	7
Issue number	42
DOIs	https://doi.org/10.1039/c7ra03127k
Publication status	Published - 2017

Bibliographical note

Funding Information:
This work was supported by the Center for Advanced Soft Electronics and Basic Science Research Program through the National Research Foundation (NRF), funded by the Ministry of Science, ICT and Future Planning (MSIP) in Korea.

ASJC Scopus subject areas

General Chemistry
General Chemical Engineering

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10.1039/c7ra03127k

Cite this

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title = "Fabrics coated with hot-iron-treated graphene oxide for a self-cleaning and mechanically robust water-oil separation material",

abstract = "A simple method was reported to fabricate self-cleaning and water-oil separation fabrics sprayed with hot-iron-treated graphene oxide (GO). The GO solution was prepared with a modified Hummers' method and coated on the fabrics by spraying or soaking method. A 160 °C hot iron was pressed at the surface of the fabrics to make it flat, dry, thermally reduced in part, and strongly bonded. Afterward, the fabrics were thermally reduced at 250 °C for 20 minutes in an oven. The reduced graphene oxide (rGO) coated fabrics exhibited a superhydrophobic nature with a water contact angle of 129.4°, through which water could barely permeate the fabrics, in contrast to oil and organic solvents of low polarity. Additionally, this rGO fabric presented outstanding mechanical properties as well as a reusable stability.",

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AU - Gong, Tao

AU - Kim, Jongwoon

AU - Woo, Ju Yeon

AU - Jang, Jin Hyeok

AU - Lee, Seung Eun

AU - Han, Chang Soo

N1 - Funding Information: This work was supported by the Center for Advanced Soft Electronics and Basic Science Research Program through the National Research Foundation (NRF), funded by the Ministry of Science, ICT and Future Planning (MSIP) in Korea.

PY - 2017

Y1 - 2017

N2 - A simple method was reported to fabricate self-cleaning and water-oil separation fabrics sprayed with hot-iron-treated graphene oxide (GO). The GO solution was prepared with a modified Hummers' method and coated on the fabrics by spraying or soaking method. A 160 °C hot iron was pressed at the surface of the fabrics to make it flat, dry, thermally reduced in part, and strongly bonded. Afterward, the fabrics were thermally reduced at 250 °C for 20 minutes in an oven. The reduced graphene oxide (rGO) coated fabrics exhibited a superhydrophobic nature with a water contact angle of 129.4°, through which water could barely permeate the fabrics, in contrast to oil and organic solvents of low polarity. Additionally, this rGO fabric presented outstanding mechanical properties as well as a reusable stability.

AB - A simple method was reported to fabricate self-cleaning and water-oil separation fabrics sprayed with hot-iron-treated graphene oxide (GO). The GO solution was prepared with a modified Hummers' method and coated on the fabrics by spraying or soaking method. A 160 °C hot iron was pressed at the surface of the fabrics to make it flat, dry, thermally reduced in part, and strongly bonded. Afterward, the fabrics were thermally reduced at 250 °C for 20 minutes in an oven. The reduced graphene oxide (rGO) coated fabrics exhibited a superhydrophobic nature with a water contact angle of 129.4°, through which water could barely permeate the fabrics, in contrast to oil and organic solvents of low polarity. Additionally, this rGO fabric presented outstanding mechanical properties as well as a reusable stability.

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Fabrics coated with hot-iron-treated graphene oxide for a self-cleaning and mechanically robust water-oil separation material

Abstract

Bibliographical note

ASJC Scopus subject areas

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