Electrically-charged recyclable graphene flakes entangled with electrospun nanofibers for the adsorption of organics for water purification

Seongpil An; Hong Seok Jo; Kyo Yong Song; Mukund G. Mali; Salem S. Al-Deyab; Suk Goo Yoon

doi:10.1039/c5nr05005g

Electrically-charged recyclable graphene flakes entangled with electrospun nanofibers for the adsorption of organics for water purification

Seongpil An, Hong Seok Jo, Kyo Yong Song, Mukund G. Mali, Salem S. Al-Deyab, Suk Goo Yoon

School of Mechanical Engineering

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

21 Citations (Scopus)

Abstract

Graphene flakes were entrapped between nylon 6 nanofiber layers and the resulting assembly was used as a recyclable water purification membrane. Water purification was achieved via adsorption of the model organic pollutant (methylene blue; MB) on the surface of the graphene component. Desorption of these MB molecules was achieved by applying high voltage, which increased the removal efficiency of the recycled membrane. The adsorption and desorption mechanisms were evaluated in detail. The material characteristics of the membrane were analyzed by scanning electron microscopy, Raman, UV-visible, and Fourier transform infrared analyses.

Original language	English
Pages (from-to)	19170-19177
Number of pages	8
Journal	Nanoscale
Volume	7
Issue number	45
DOIs	https://doi.org/10.1039/c5nr05005g
Publication status	Published - 2015 Dec 7

ASJC Scopus subject areas

Materials Science(all)

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abstract = "Graphene flakes were entrapped between nylon 6 nanofiber layers and the resulting assembly was used as a recyclable water purification membrane. Water purification was achieved via adsorption of the model organic pollutant (methylene blue; MB) on the surface of the graphene component. Desorption of these MB molecules was achieved by applying high voltage, which increased the removal efficiency of the recycled membrane. The adsorption and desorption mechanisms were evaluated in detail. The material characteristics of the membrane were analyzed by scanning electron microscopy, Raman, UV-visible, and Fourier transform infrared analyses.",

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AU - An, Seongpil

AU - Jo, Hong Seok

AU - Song, Kyo Yong

AU - Mali, Mukund G.

AU - Al-Deyab, Salem S.

AU - Yoon, Suk Goo

PY - 2015/12/7

Y1 - 2015/12/7

N2 - Graphene flakes were entrapped between nylon 6 nanofiber layers and the resulting assembly was used as a recyclable water purification membrane. Water purification was achieved via adsorption of the model organic pollutant (methylene blue; MB) on the surface of the graphene component. Desorption of these MB molecules was achieved by applying high voltage, which increased the removal efficiency of the recycled membrane. The adsorption and desorption mechanisms were evaluated in detail. The material characteristics of the membrane were analyzed by scanning electron microscopy, Raman, UV-visible, and Fourier transform infrared analyses.

AB - Graphene flakes were entrapped between nylon 6 nanofiber layers and the resulting assembly was used as a recyclable water purification membrane. Water purification was achieved via adsorption of the model organic pollutant (methylene blue; MB) on the surface of the graphene component. Desorption of these MB molecules was achieved by applying high voltage, which increased the removal efficiency of the recycled membrane. The adsorption and desorption mechanisms were evaluated in detail. The material characteristics of the membrane were analyzed by scanning electron microscopy, Raman, UV-visible, and Fourier transform infrared analyses.

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Electrically-charged recyclable graphene flakes entangled with electrospun nanofibers for the adsorption of organics for water purification

Abstract

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