Studying reduction of graphene oxide with magnetic measurements

Soo Whan Kim; Hyun Kyung Kim; Kyujoon Lee; Kwang Chul Roh; Joong Tark Han; Kwang Bum Kim; Sunghun Lee; Myung Hwa Jung

doi:10.1016/j.carbon.2018.10.068

Studying reduction of graphene oxide with magnetic measurements

Soo Whan Kim, Hyun Kyung Kim, Kyujoon Lee, Kwang Chul Roh, Joong Tark Han, Kwang Bum Kim, Sunghun Lee, Myung Hwa Jung

Department of Materials Science and Engineering

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

28 Citations (Scopus)

Abstract

The reduction of graphene oxide is one of the most facile methods to fabricate a large amount of graphene. The reduction rate is generally examined by various spectroscopic techniques, but each technique is applied for different purposes. Herein, we demonstrate the correlation between spectroscopic results and magnetic data, which plays an important role in determining the quality of reduced graphene oxides. The magnetic signals are related with the carbon-oxygen functional groups analyzed by spectroscopic tools. Especially, highly reduced sample exhibits the diamagnetic property similar to graphene-like materials. This report can provide an insight to determine the reduction rate of graphene oxides by using simple magnetic measurements.

Original language	English
Pages (from-to)	373-378
Number of pages	6
Journal	Carbon
Volume	142
DOIs	https://doi.org/10.1016/j.carbon.2018.10.068
Publication status	Published - 2019 Feb

Bibliographical note

Funding Information:
This work was supported by the National Research Foundation of Korea (NRF) grant funded by the Korea government (MEST) (No. 2014R1A2A1A1105401 , 2017R1A2B3007918 , and 20 18R1D1A1B07048109 ).

Publisher Copyright:
© 2018 Elsevier Ltd

All Science Journal Classification (ASJC) codes

Chemistry(all)
Materials Science(all)

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10.1016/j.carbon.2018.10.068

Cite this

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title = "Studying reduction of graphene oxide with magnetic measurements",

abstract = "The reduction of graphene oxide is one of the most facile methods to fabricate a large amount of graphene. The reduction rate is generally examined by various spectroscopic techniques, but each technique is applied for different purposes. Herein, we demonstrate the correlation between spectroscopic results and magnetic data, which plays an important role in determining the quality of reduced graphene oxides. The magnetic signals are related with the carbon-oxygen functional groups analyzed by spectroscopic tools. Especially, highly reduced sample exhibits the diamagnetic property similar to graphene-like materials. This report can provide an insight to determine the reduction rate of graphene oxides by using simple magnetic measurements.",

author = "Kim, {Soo Whan} and Kim, {Hyun Kyung} and Kyujoon Lee and Roh, {Kwang Chul} and Han, {Joong Tark} and Kim, {Kwang Bum} and Sunghun Lee and Jung, {Myung Hwa}",

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AU - Lee, Kyujoon

AU - Roh, Kwang Chul

AU - Han, Joong Tark

AU - Kim, Kwang Bum

AU - Lee, Sunghun

AU - Jung, Myung Hwa

N1 - Funding Information: This work was supported by the National Research Foundation of Korea (NRF) grant funded by the Korea government (MEST) (No. 2014R1A2A1A1105401 , 2017R1A2B3007918 , and 20 18R1D1A1B07048109 ). Publisher Copyright: © 2018 Elsevier Ltd

PY - 2019/2

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N2 - The reduction of graphene oxide is one of the most facile methods to fabricate a large amount of graphene. The reduction rate is generally examined by various spectroscopic techniques, but each technique is applied for different purposes. Herein, we demonstrate the correlation between spectroscopic results and magnetic data, which plays an important role in determining the quality of reduced graphene oxides. The magnetic signals are related with the carbon-oxygen functional groups analyzed by spectroscopic tools. Especially, highly reduced sample exhibits the diamagnetic property similar to graphene-like materials. This report can provide an insight to determine the reduction rate of graphene oxides by using simple magnetic measurements.

AB - The reduction of graphene oxide is one of the most facile methods to fabricate a large amount of graphene. The reduction rate is generally examined by various spectroscopic techniques, but each technique is applied for different purposes. Herein, we demonstrate the correlation between spectroscopic results and magnetic data, which plays an important role in determining the quality of reduced graphene oxides. The magnetic signals are related with the carbon-oxygen functional groups analyzed by spectroscopic tools. Especially, highly reduced sample exhibits the diamagnetic property similar to graphene-like materials. This report can provide an insight to determine the reduction rate of graphene oxides by using simple magnetic measurements.

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Studying reduction of graphene oxide with magnetic measurements

Abstract

Bibliographical note

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