Preparation of SiC Hollow Spheres from SiO2@PPy Core/Shell Structure

Chem. J. Chinese Universities ›› 2006, Vol. 27 ›› Issue (1): 23.

• Contents • Previous Articles Next Articles

Preparation of SiC Hollow Spheres from SiO₂@PPy Core/Shell Structure

ZHU Yu-Fang¹, FANG Ying², LIU Ya-Yun², SHI Jian-Lin¹

1. State Key Laboratory of High Performance Ceramics and Superfine Microstructures, Shanghai Institute of Ceramics,
Chinese Academy of Sciences, Shanghai 200050, China;
2. College of Materials Science and Engineering, Nanjing University of Technology, Nanjing 210009, China

Received:2005-04-11 Online:2006-01-10 Published:2006-01-10
Contact: SHI Jian-Lin, E-mail: jlshi@sunm.shcnc.ac.cn

Abstract

Abstract:

AbstractA SiO₂@PPy core/shell structure was synthesized by performing the polymerization of pyrrole monomers around SiO₂ spheres. For the first time, the SiC hollow spheres with a high surface area was prepared from the SiO₂@PPy with a core/shell structure by using a carbothermal reduction reaction technique. The preparation process and the structures of the products were characterized with XRD, TEM, SEM, N₂ adsorption-desorption isotherms and XPS. The results indicate that β-SiC hollow spheres with a specific surface area of 101.3 m²/g could be prepared from the SiO₂@PPy with a core/shell structure.

Key words: KeywordsCore/shell structure; SiC; Hollow spheres; Carbothermal reduction reaction

CLC Number:

O612.4

TrendMD:

ZHU Yu-Fang, FANG Ying, LIU Ya-Yun, SHI Jian-Lin. Preparation of SiC Hollow Spheres from SiO₂@PPy Core/Shell Structure[J]. Chem. J. Chinese Universities, 2006, 27(1): 23.

[1]	LI Wen-Jun, GUO Yan-Chuan, CHEN Li-Juan. Synthesis, Characterization and Morphology Variety of Carbon Micro-coils [J]. Chem. J. Chinese Universities, 2005, 26(9): 1589.
[2]	ZHANG Xiong-Wei, CHU Wei, ZHUANG Hui-Xiang, XU Shi-Wei . Modification of Multi-walled Carbon Nanotubes and Its Performance for Hydrogen Storage [J]. Chem. J. Chinese Universities, 2005, 26(3): 493.
[3]	CAO Ya-Li, JIA Dian-Zeng, LIU Lang, FAN Zhao-Tian . Synthesis of Cd(OH)₂ Nanorods by Solid-state Chemical Reaction at Room Temperature [J]. Chem. J. Chinese Universities, 2004, 25(9): 1601.
[4]	ZHUANG Jing, DENG Zhao-Xiang, LIANG Jia-He, LI Ya-Dong. Synthesis and Characterization of β-PbO₂Nanorods and Pb₃O₄Nanocrystallites [J]. Chem. J. Chinese Universities, 2002, 23(7): 1223.
[5]	QI Kai, YANG Zhen-Zhong, YANG Yun-Xin, ZHAO De-Lu. Surfactant-template Synthesis of Mesoporous Silica Monolith via Fast Sol-gel Process [J]. Chem. J. Chinese Universities, 2002, 23(2): 339.
[6]	CUI AiLi, CHEN RenZheng, WEI JingZhi, LI LongTu . Surface Modification of Ultra-fine Barium Titanate [J]. Chem. J. Chinese Universities, 2001, 22(12): 2065.
[7]	CUI Ai-Li, WANG Ting-Jie, JIN Yong, SUN Mu . Thermodynamic Research on the Coating Process of Silica Nano Film on Titanate Particles Surface [J]. Chem. J. Chinese Universities, 2001, 22(9): 1543.
[8]	YANG Zhan-Hong, WU Hao-Qing, LI Jing, LI Xin-Hai . Purification of Carbon NanotubesOxidation Method by Using Electrochemistry [J]. Chem. J. Chinese Universities, 2001, 22(3): 446.
[9]	LIN Yu-Lan, WANG Ting-Jie, QIN Cao, YANG Jun, JIN Yong . Organic Modification on the Sub-micron Particles of TiO₂ Pre-coated with SiO₂ and Al₂O₃ [J]. Chem. J. Chinese Universities, 2001, 22(1): 104.
[10]	CUI Ai-Li, WANG Ting-Jie, JIN Yong . The Dynamic Model of the Coating Process of Silicon Dioxide Nonafilm on Titanium Dioxide Particles [J]. Chem. J. Chinese Universities, 2000, 21(10): 1560.
[11]	DU Yi-Bo, LI Feng, HE Jing, David G. EVANS, DUAN Xue, WANG Zuo-Xin . A Study of the Intercalation Reactions of 4-(Methylmercapto)-aniline with α-Zirconium Phosphate [J]. Chem. J. Chinese Universities, 1998, 19(11): 1711.
[12]	CUI Ai-Li, WANG Ting-Jie, JIN Yong, XIAO Shuai-Gang, GE Xu-Dong . Mechanism and Structure Analysis of TiO₂ Surface Coated with SiO₂ and Al₂O₃ [J]. Chem. J. Chinese Universities, 1998, 19(11): 1727.
[13]	WANG Ying-Xia, MENG Xian-Ping, LI Neng, ZHANG Wan-Jing, LIN Bing-Xiong, LIU Xi-Yao. Non-framework Cation Locations in Zeolite Beta [J]. Chem. J. Chinese Universities, 1998, 19(8): 1185.
[14]	LIU Zhong-Yi, WANG Li-Wei, WANG Zi-Chen, ZHAO Jing-Zhe, YANG Hua, ZHAO Mu-Yu, ZHAO Dong-Mei. Preparation of Porous SiO₂ with High Specific Surface Area by Sodium Silicate [J]. Chem. J. Chinese Universities, 1998, 19(5): 770.

Preparation of SiC Hollow Spheres from SiO₂@PPy Core/Shell Structure

PDF (PC)

Knowledge

Abstract

Cite this article

share this article

References

Related Articles 14

Recommended Articles

Metrics

Comments