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The evolution of surface charge on graphene oxide during the reduction and its application in electroanalysis
Open accessAbstract
A series of reduced graphene oxide (RGO) colloids with different amounts of surface charges was prepared. The change in surface charge at different pH values was detected by zeta potential measurement, and the evolution of oxygen-containing functional groups attached to the RGOs was analysed by Fourier-transform infrared spectroscopy and ultraviolet-visible absorption spectroscopy. Results showed that the edge phenolic hydroxyl and carboxyl groups made more contributions to the negative surface charge compared with the basal-plane hydroxyl and epoxy groups. Electrical impedance spectroscopy results proved that the surface charge of RGOs significantly affected their electrochemical properties. Furthermore, GO and RGOs (graphene oxide materials) were also used to construct electrochemical sensors for quantitive measurement of Cu2+ by differential pulse anodic stripping voltammetry. The results revealed that the increase in negative surface charge on RGO enhanced its electrocatalytic activity for Cu2+ reduction. Thus, considering that studies on the properties of graphene oxide materials can be simplified by the surface charge, its analysis is an important means of material characterisation. (C) 2013 Elsevier Ltd. All rights reserved.
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“Although GOs tend to aggregate due to negative charge and van der Waals forces49,50, nanosized GOs have a high salt tolerance and weakened van der Waals forces between layers, resulting in a greater dispersion stability and lower aggregation compared to microsized GOs51.”
From Bioengineered liver crosslinked with nano-graphene oxide enables efficient liver regeneration via MMP suppression and immunomodulation (2023) · cites this paper as [49]
Citations
Cites
Electric Field Effect in Atomically Thin Carbon Films
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Self-citationPreparation of Graphitic Oxide
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Synthesis of graphene-based nanosheets via chemical reduction of exfoliated graphite oxide
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Superior Thermal Conductivity of Single-Layer Graphene
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Experimental observation of the quantum Hall effect and Berry's phase in graphene
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Self-citationThe chemistry of graphene oxide
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Processable aqueous dispersions of graphene nanosheets
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The reduction of graphene oxide
Pei, S., & Cheng, H. (2011) · Carbon · doi:10.1016/j.carbon.2011.11.010 · Cited by 5,281
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Cited by
Kim, D.-H., Kim, M.-J., Kwak, S.-Y., Jeong, J., Choi, D., Choi, S. W., Ryu, J., & Kang, K.-S. (2023) · Nature Communications · doi:10.1038/s41467-023-35941-2 · Cited by 53
Metadata
- Authors
- Li, M.-J., Liu, C.-M., Xie, Y.-B., Cao, H.-B., Zhao, H., & Zhang, Y.
- Affiliations
- Chinese Academy of Sciences (CN)
- Tianjin University (CN)
- Venue
- Carbon
- Publisher
- Elsevier BV
- Published
- 2014-01
- Volume
- 66
- Pages
- 302-311
- ISSN
- 0008-6223 (ISSN-L)
- OpenAlex
- W2059350595
- Cited by
- 202
- References
- 46
- Citations by year
- 2026: 24 · 2025: 29 · 2024: 15 · 2023: 18 · 2022: 14 · 2021: 16 · 2020: 20 · 2019: 15 · 2018: 13 · 2017: 7 · 2016: 14 · 2015: 11 · 2014: 6
- FWCI
- 4.66
- Type
- journal article
- Language
- en
- Open access
- green
- ir.ipe.ac.cn
- Licence
- cc-by-nc-sa
- www.elsevier.com/tdm/userlicense/1.0/ (tdm)
- Locations
- Carbon (publishedVersion)
- Institute of Process Engineering, CAS Institutional Repository (submittedVersion, cc-by-nc-sa)
- Funders
- National Natural Science Foundation of China (51102238, 51108441)
- Topics
- Physical Sciences › Materials Science › Materials Chemistry › Graphene research and applications
- Physical Sciences › Chemistry › Electrochemistry › Electrochemical Analysis and Applications
- Physical Sciences › Chemistry › Analytical Chemistry › Electrochemical sensors and biosensors
- Keywords
- reduced graphene oxide, graphene oxide, surface charge, zeta potential, oxygen-containing functional groups, phenolic hydroxyl groups, carboxyl groups, electrochemical sensor, copper ion detection, anodic stripping voltammetry, electrocatalytic activity
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Bibliographic data: Semantic Scholar, OpenAlex, Crossref.
Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.
