The DOI matches its Crossref record; 5 of the 5 references it cites were found in a registry or an index.
Electrical and Spectroscopic Characterizations of Ultra-Large Reduced Graphene Oxide Monolayers
Abstract
Ultra large and single-layer graphene oxide sheets (up to millimeter in lateral size) are obtained by a modified Hummers’ method, where we replace the first aggressive oxidation process with a short sonication step in H 2 SO 4 solutions. The lateral size of obtained GO sheets can be adjusted by the sonication period: it decreases with the increasing sonication time. The thin-film electrodes made from ultra large reduced GO sheets exhibit lower sheet resistance compared with those from small-size reduced GO sheets. Moreover, the transistor devices made from these single-layer GO sheets after 800 °C thermal reduction exhibit the effective hole mobility ranged between 4 and 12 cm 2 /(V s). Raman spectroscopic results suggest that the enhancement in mobility at a higher-mobility regime is well explained by the graphitization of GO rather than the removal of functional groups. The ratio between the 2D and G peak areas, I (2D)/ I (G), is well correlated to the effective hole mobility values in reduced GO sheets.
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Cites
Two-dimensional gas of massless Dirac fermions in graphene
Novoselov, K. S., Geim, A. K., Morozov, S. V., Jiang, D., Katsnelson, M. I., Grigorieva, I. V., Dubonos, S. V., & Firsov, A. A. (2005) · Nature · doi:10.1038/nature04233 · Cited by 21,611
Superior Thermal Conductivity of Single-Layer Graphene
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Experimental observation of the quantum Hall effect and Berry's phase in graphene
Zhang, Y., Tan, Y.-W., Stormer, H. L., & Kim, P. (2005) · Nature · doi:10.1038/nature04235 · Cited by 13,435
Graphene-based composite materials
Stankovich, S., Dikin, D. A., Dommett, G. H. B., Kohlhaas, K. M., Zimney, E. J., Stach, E. A., Piner, R. D., Nguyen, S. T., & Ruoff, R. S. (2006) · Nature · doi:10.1038/nature04969 · Cited by 12,922
Two-dimensional atomic crystals
Novoselov, K. S., Jiang, D., Schedin, F., Booth, T. J., Khotkevich, V. V., Morozov, S. V., & Geim, A. K. (2005) · Proceedings of the National Academy of Sciences · doi:10.1073/pnas.0502848102 · Cited by 11,788
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Self-citationEfficient Preparation of Large-Area Graphene Oxide Sheets for Transparent Conductive Films
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Self-citationHigh-quality graphene via microwave reduction of solution-exfoliated graphene oxide
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Metadata
- Authors
- Su, C.-Y., Xu, Y., Zhang, W., Zhao, J., Tang, X., Tsai, C.-H., & Li, L.-J.
- Venue
- Chemistry of Materials
- Publisher
- American Chemical Society (ACS)
- Published
- 2009-11-11
- Volume
- 21
- Issue
- 23
- Pages
- 5674-5680
- ISSN
- 0897-4756 (ISSN-L)
- 1520-5002
- OpenAlex
- W2021973838
- Cited by
- 508
- References
- 5
- FWCI
- 16.59
- Type
- journal article
- Language
- en
- Open access
- closed
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