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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Patel, Mehulkumar Feng, Wenchun Savaram, Keerthi Khoshi, M. Reza Huang, Ruiming Sun, Jing Rabie, Emann Flach, Carol Mendelsohn, Richard Garfunkel, Eric He, Huixin |
| Description | Country affiliation: United States Author Affiliation: Patel M ( Chemistry Department, Rutgers University, 73 Warren Street, Newark, NJ, 07102, USA.); Feng W ( Department of Chemical Engineering, University of Michigan, 2800 Plymouth Road, Ann Arbor, MI, 48109, USA.); Savaram K ( Chemistry Department, Rutgers University, 73 Warren Street, Newark, NJ, 07102, USA.); Khoshi MR ( Chemistry Department, Rutgers University, 73 Warren Street, Newark, NJ, 07102, USA.); Huang R ( Chemistry Department, Rutgers University, 73 Warren Street, Newark, NJ, 07102, USA.); Sun J ( Chemistry Department, Rutgers University, 73 Warren Street, Newark, NJ, 07102, USA.); Rabie E ( Chemistry Department, Rutgers University, 73 Warren Street, Newark, NJ, 07102, USA.); Flach C ( Chemistry Department, Rutgers University, 73 Warren Street, Newark, NJ, 07102, USA.); Mendelsohn R ( Chemistry Department, Rutgers University, 73 Warren Street, Newark, NJ, 07102, USA.); Garfunkel E ( Department of Chemistry and Chemical Biology, Rutgers University, 610 Taylor Rd, Piscataway, NJ, 08854, USA.); He H ( Chemistry Department, Rutgers University, 73 Warren Street, Newark, NJ, 07102, USA.) |
| Abstract | The unique properties of a holey graphene sheet, referred to as a graphene sheet with nanoholes in its basal plane, lead to wide range of applications that cannot be achieved by its nonporous counterpart. However, the large-scale solution-based production requires graphene oxide (GO) or reduced GO (rGO) as the starting materials, which take hours to days for fabrication. Here, an unexpected discovery that GO with or without holes can be controllably, directly, and rapidly (tens of seconds) fabricated from graphite powder via a one-step-one-pot microwave assisted reaction with a production yield of 120 wt% of graphite is reported. Furthermore, a fast and low temperature approach is developed for simultaneous nitrogen (N) doping and reduction of GO sheets. The N-doped holey rGO sheets demonstrate remarkable electrocatalytic capabilities for the electrochemical oxygen reduction reaction. The existence of the nanoholes provides a 'short cut' for efficient mass transport and dramatically increases edges and surface area, therefore, creates more catalytic centers. The capability of rapid fabrication and N-doping as well as reduction of holey GO can lead to development of an efficient catalyst that can replace previous coin metals for energy generation and storage, such as fuel cells and metal-air batteries. |
| File Format | HTM / HTML |
| ISSN | 16136810 |
| Issue Number | 27 |
| Journal | Small |
| Volume Number | 11 |
| e-ISSN | 16136829 |
| Language | English |
| Publisher | Wiley-VCH |
| Publisher Date | 2015-07-15 |
| Publisher Place | Germany |
| Access Restriction | One Nation One Subscription (ONOS) |
| Content Type | Text |
| Resource Type | Article |
| Subject | Chemistry Nanoscience and Nanotechnology Medicine Biomaterials Engineering Biotechnology |
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