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3D Graphene Foam as a Monolithic and Macroporous Carbon Electrode for Electrochemical Sensing
Abstract
Graphene, a single-atom-thick monolayer of sp(2) carbon atoms perfectly arranged in a honeycomb lattice, is an emerging sensing material because of its extraordinary properties, such as exceptionally high specific surface area, electrical conductivity, and electrochemical potential window. In this study, we demonstrate that three-dimensional (3D), macroporous, highly conductive, and monolithic graphene foam synthesized by chemical vapor deposition represents a novel architecture for electrochemical electrodes. Being employed as an electrochemical sensor for detection of dopamine, 3D graphene electrode exhibits remarkable sensitivity (619.6 μA mM(-1) cm(-2)) and lower detection limit (25 nM at a signal-to-noise ratio of 5.6), with linear response up to ∼25 μM. And the oxidation peak of dopamine can be easily distinguished from that of uric acid - a common interferent to dopamine detection. We envision that the graphene foam provides a promising platform for the development of electrochemical sensors as well as other applications, such as energy storage and conversion.
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Cited by
Electrochemistry of Graphene and Related Materials
Ambrosi, A., Chua, C. K., Bonanni, A., & Pumera, M. (2014) · Chemical Reviews · doi:10.1021/cr500023c · Cited by 1,208
Graphene-Based Electrochemical Sensors
Wu, S., He, Q., Tan, C., Wang, Y., & Zhang, H. (2013) · Small · doi:10.1002/smll.201202896 · Cited by 628
Self-citationLow‐Density Open Cellular Sponges as Functional Materials
Jiang, S., Agarwal, S., & Greiner, A. (2017) · Angewandte Chemie International Edition · doi:10.1002/anie.201700684 · Cited by 217
Novel graphene electrode for retinal implants: an in vivo biocompatibility study
Nguyen, D., Valet, M., Dégardin, J., Boucherit, L., Illa, X., de la Cruz, J., del Corro, E., Bousquet, J., Garrido, J. A., Hébert, C., et al. (2021) · Frontiers in Neuroscience · doi:10.3389/fnins.2021.615256 · Cited by 36
Metadata
- Authors
- Dong, X., Wang, X., Wang, L., Song, H., Zhang, H., Huang, W., & Chen, P.
- Venue
- ACS Applied Materials & Interfaces
- Publisher
- American Chemical Society (ACS)
- Published
- 2012-05-21
- Volume
- 4
- Issue
- 6
- Pages
- 3129-3133
- ISSN
- 1944-8244 (ISSN-L)
- 1944-8252
- OpenAlex
- W1989260522
- Cited by
- 320
- References
- 0
- FWCI
- 18.92
- Type
- journal article
- Language
- en
- Open access
- closed
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- Dong, X., Wang, X., Wang, L., Song, H., Zhang, H., Huang, W., & Chen, P. (2012). 3D Graphene Foam as a Monolithic and Macroporous Carbon Electrode for Electrochemical Sensing. ACS Applied Materials & Interfaces. https://doi.org/10.1021/am300459m
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