期刊
CARBON
卷 49, 期 9, 页码 2944-2949出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.carbon.2011.03.009
关键词
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资金
- NNSF of China [50902071, 61076067, 61006007]
- 973 Program (China) [2009CB930601]
- Science Foundation of Nanjing University of Posts and Telecommunications [NY208058]
- National Science Foundation for Post-doctoral Scientists of China [20100471354]
- Jiangsu Ordinary University [09KJB430008]
- State Key Laboratory of Bioelectronics, Southeast University [BJ209007]
- National Science Council Taiwan [NSC-99-2112-M-001-021-MY3, 99-2738-M-001-001]
- A-Star SERC, Singapore [072 101 0020]
- National Research Foundation Singapore, Singapore [NRF-CRP 2-2007-02]
- AcRF Tier 2 [ARC 10/10]
- MOE, Singapore [2010-T2-1-060]
Graphene-carbon nanotube (CNT) hybrid materials were synthesized by simple one-step chemical vapor deposition (CVD) using ethanol as precursor. On a copper foil decorated with silicon nanparticles (Si NPs), a graphene film grows uniformly on the substrate while CNTs sprout out from Si NPs to form a network on top. The density of CNTs can be controlled by the CVD growth temperature. As measured by scanning and transmission electron microscopy, the obtained CNTs exhibit bamboo-like multiple-wall structures. Electrical characterization shows that the graphene-CNT hybrids exhibit p-type field-effect characteristics and a significantly higher conductivity compared to a CVD grown pure graphene film. (C) 2011 Published by Elsevier Ltd.
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