Biotemplated synthesis of novel porous SiC |
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| Authors: | AR Maddocks AT Harris |
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| Affiliation: | 1. State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210093, PR China;2. Department of Chemistry, Hong Kong Baptist University, Kowloon Tong, Kowloon, Hong Kong, PR China;1. Key Laboratory of Applied Chemistry, Yanshan University, Qinhuangdao 066004, China;2. State Key Laboratory of Metal Matrix Composites, Shanghai Jiaotong University, Shanghai 200240, China;3. Beidaihe Center Experiment Station, Chinese Academy of Fishery Science, 066100 Beidaihe, China;1. College of Materials Science and Engineering, Zhejiang University of Technology, Hangzhou, 310014, China;2. Institute of Optoelectronic Materials and Devices, China Jiliang University, Hangzhou, 310018, China;1. Department of Chemistry, Inha University, 100 Inharo, Incheon 402-751, Republic of Korea;2. Department of Organic Materials and Fiber Engineering, Chonbuk National University, Jeonju 561-756, Republic of Korea;3. Department of BIN Convergence Technology, Chonbuk National University, Jeonju 561-756, Republic of Korea;1. Materials Science and Engineering, Stanford University, Stanford, CA 94305, United States;2. Stanford Institute for Materials and Energy Science, SLAC National Accelerator Laboratory, Menlo Park, CA 94025, United States;3. Chemical Engineering, Stanford University, Stanford, CA 94305, United States;1. College of Chemical Engineering and Materials Science, Quanzhou Normal University, Quanzhou 362000, Fujian Province, China;2. College of Chemistry and Materials Science, Shanghai Normal University, 100 Guilin Road, Shanghai 200234, China;3. Departamento de Quimica Organica, Universidad de Cordoba, Campus de Rabanales, Edificio Marie Curie (C-3), Ctra Nnal IV-A, Km. 396, E-14014 Cordoba, Spain;4. People’s Friendship University of Russia (RUDN University), 6 Miklukho-Maklaya str., 117198 Moscow, Russia;5. Shanghai Key Laboratory of Tissue Engineering, Ninth People’s Hospital, Shanghai Jiao Tong University School of Medicine, 639 Zhizaoju Road, Shanghai 200011, China |
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| Abstract: | Amorphous silicon carbide with unique porous structures was synthesised from three biological templates (egg shell membrane, butterfly wing and sea urchin skeleton) using liquid phase infiltration with polycarbosilane at atmospheric pressure followed by heating to 1000 °C under N2. The structure and porosity of the preform was largely reproduced in the final material, although with egg shell membrane the cellular structure of the preform was compromised after infiltration and heating. The SiC yield of the final material was linearly correlated with the number of infiltration steps in the case of egg shell membrane and butterfly wing. Infiltration of the sea urchin shell was unsuccessful. |
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