Laser direct synthesis of graphene on quartz |
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| Affiliation: | 1. School of Mechanical Engineering, Birck Nanotechnology Center, Purdue University, West Lafayette, IN 47907, USA;2. School of Electrical and Computer Engineering, Birck Nanotechnology Center, Purdue University, West Lafayette, IN 47907, USA;1. Department of Materials Science and Engineering, 800 W. Campbell Road, RL10, University of Texas at Dallas, Richardson, TX 75080, USA;2. School of Electrical and Computer Engineering and Birck Nanotechnology Center, Purdue University, West Lafayette, IN 47907, USA;1. Chongqing Key Laboratory of Multi-scale Manufacturing Technology, Chongqing Institute of Green and Intelligent Technology, Chinese Academy of Sciences, Chongqing 400714, PR China;2. University of Chinese Academy of Sciences, Beijing 100049, PR China;1. Division of Materials Science and Engineering, Hanyang University, Seoul 133-791, Republic of Korea;2. Department of Materials Science and Engineering, Korea National University of Transportation, 50 Daehak-ro, Chungju, Chungbuk 380-702, Republic of Korea |
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| Abstract: | We demonstrate a laser-based technique to directly synthesize few layer graphene on quartz substrates without using any metal catalyst. In our approach, a photoresist S-1805 (from Shipley Comp.) film coated on quartz wafers was heated, and then decomposed, by irradiation of a continuous-wave laser. The carbon atoms from the photoresist were dissolved in the molten quartz, and then extracted to form graphene when the temperature of the quartz was decreased. Raman spectroscopy shows the as-produced graphene is two to three layers thick. This laser-based method will provide a new approach and platform for applications of graphene-based devices. |
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