Room temperature reduction of graphene oxide by formic acid catalyzed by platinum nanoparticles
Graphene oxide (GO) was reduced by stirring the solution contaning GO sheets with platinum (Pt) nanoparticles and formic acid at room temperature for 72 h. The resulting reduced graphene oxide-Pt (RGO-Pt) nanocomposites were characterized, and it was found that the Pt nanoparticles of size 4–6 nm we...
| Main Authors: | , , , , |
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| Other Authors: | |
| Format: | Journal Article |
| Language: | English |
| Published: |
2014
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| Subjects: | |
| Online Access: | https://hdl.handle.net/10356/102548 http://hdl.handle.net/10220/19062 |
| _version_ | 1826127657123708928 |
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| author | Wang, Yinjie Liu, Jincheng Liu, Lei Zhang, Tong Sun, Darren Delai |
| author2 | School of Civil and Environmental Engineering |
| author_facet | School of Civil and Environmental Engineering Wang, Yinjie Liu, Jincheng Liu, Lei Zhang, Tong Sun, Darren Delai |
| author_sort | Wang, Yinjie |
| collection | NTU |
| description | Graphene oxide (GO) was reduced by stirring the solution contaning GO sheets with platinum (Pt) nanoparticles and formic acid at room temperature for 72 h. The resulting reduced graphene oxide-Pt (RGO-Pt) nanocomposites were characterized, and it was found that the Pt nanoparticles of size 4–6 nm were anchored onto the RGO sheets. The reduction of GO was facilitated by formic acid catalysed by the Pt nanoparticles. The reduction level of the GO sheets was related to the pH of the mixed solution, and higher pH would induce higher reduction level of the GO sheets. The RGO-Pt nanocomposites synthesized at pH 4 and pH 7 exhibit large electrochemically active surface area of 49.45 m2/g and 56.78 m2/g, and high I f /I b ratio of 2.36 and 2.87 indicating high electrocatalytic activities. This paper presents a new energy efficient way to reduce GO and produce RGO-Pt for fuel cell and other applications. |
| first_indexed | 2024-10-01T07:12:28Z |
| format | Journal Article |
| id | ntu-10356/102548 |
| institution | Nanyang Technological University |
| language | English |
| last_indexed | 2024-10-01T07:12:28Z |
| publishDate | 2014 |
| record_format | dspace |
| spelling | ntu-10356/1025482020-03-07T11:45:53Z Room temperature reduction of graphene oxide by formic acid catalyzed by platinum nanoparticles Wang, Yinjie Liu, Jincheng Liu, Lei Zhang, Tong Sun, Darren Delai School of Civil and Environmental Engineering DRNTU::Engineering::Civil engineering Graphene oxide (GO) was reduced by stirring the solution contaning GO sheets with platinum (Pt) nanoparticles and formic acid at room temperature for 72 h. The resulting reduced graphene oxide-Pt (RGO-Pt) nanocomposites were characterized, and it was found that the Pt nanoparticles of size 4–6 nm were anchored onto the RGO sheets. The reduction of GO was facilitated by formic acid catalysed by the Pt nanoparticles. The reduction level of the GO sheets was related to the pH of the mixed solution, and higher pH would induce higher reduction level of the GO sheets. The RGO-Pt nanocomposites synthesized at pH 4 and pH 7 exhibit large electrochemically active surface area of 49.45 m2/g and 56.78 m2/g, and high I f /I b ratio of 2.36 and 2.87 indicating high electrocatalytic activities. This paper presents a new energy efficient way to reduce GO and produce RGO-Pt for fuel cell and other applications. 2014-04-01T07:18:56Z 2019-12-06T20:56:49Z 2014-04-01T07:18:56Z 2019-12-06T20:56:49Z 2013 2013 Journal Article Wang, Y., Liu, J., Liu, L., Zhang, T., & Sun, D. D. (2013). Room Temperature Reduction of Graphene Oxide by Formic Acid Catalyzed by Platinum Nanoparticles. Journal of Nanoscience and Nanotechnology, 13(4), 2967-2973. 1533-4880 https://hdl.handle.net/10356/102548 http://hdl.handle.net/10220/19062 10.1166/jnn.2013.7380 en Journal of nanoscience and nanotechnology © 2013 American Scientific Publishers. |
| spellingShingle | DRNTU::Engineering::Civil engineering Wang, Yinjie Liu, Jincheng Liu, Lei Zhang, Tong Sun, Darren Delai Room temperature reduction of graphene oxide by formic acid catalyzed by platinum nanoparticles |
| title | Room temperature reduction of graphene oxide by formic acid catalyzed by platinum nanoparticles |
| title_full | Room temperature reduction of graphene oxide by formic acid catalyzed by platinum nanoparticles |
| title_fullStr | Room temperature reduction of graphene oxide by formic acid catalyzed by platinum nanoparticles |
| title_full_unstemmed | Room temperature reduction of graphene oxide by formic acid catalyzed by platinum nanoparticles |
| title_short | Room temperature reduction of graphene oxide by formic acid catalyzed by platinum nanoparticles |
| title_sort | room temperature reduction of graphene oxide by formic acid catalyzed by platinum nanoparticles |
| topic | DRNTU::Engineering::Civil engineering |
| url | https://hdl.handle.net/10356/102548 http://hdl.handle.net/10220/19062 |
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