以糠醇为碳源,正硅酸乙酯为硅源,含氢硅油(PMHS)为结构助剂制备碳化硅前驱体,通过溶胶-凝胶法和碳热还原法制备出高比表面积多孔碳化硅,采用XRD、FTIR、SEM、HRTEM和BET对所制备的样品进行表征.结果表明,所得碳化硅具有高的比表面积130m2/g；含氢硅油的特殊结构有利于形成多孔碳化硅,且对碳化硅样品的比表面积、孔容起着至关重要的影响.
参考文献
| [1] | Shen GZ;Bando Y;Ye CH;Liu BD;Golberg D .Synthesis, characterization and field-emission properties of bamboo-like beta-SiC nanowires[J].Nanotechnology,2006(14):3468-3472. |
| [2] | Pol VG;Pol SV;Gedanken A;Lim SH;Zhong Z;Lin J .Thermal decomposition of commercial silicone oil to produce high yield high surface area SiC nanorods[J].The journal of physical chemistry, B. Condensed matter, materials, surfaces, interfaces & biophysical,2006(23):11237-11240. |
| [3] | Yant J;Wang AJ;Kim DP .Preparation of ordered mesoporous SiC from preceramic polymer templated by nanoporous silica[J].The journal of physical chemistry, B. Condensed matter, materials, surfaces, interfaces & biophysical,2006(11):5429-5433. |
| [4] | N. Keller;C. Pham-Huu .Influence of the preparation conditions on the synthesis of high surface area SiC for use as a heterogeneous catalyst support[J].Journal of Materials Science,1999(13):3189-3202. |
| [5] | Cheng F;Kelly SM;Lefebvre F;Clark S;Supplit R;Bradley JS .Preparation of a mesoporous silicon aluminium nitride via a non-aqueous sol-gel route[J].Journal of Materials Chemistry: An Interdisciplinary Journal dealing with Synthesis, Structures, Properties and Applications of Materials, Particulary Those Associated with Advanced Technology,2005(7):772-777. |
| [6] | Jin G Q;Guo X Y .Synthesis and characterization of mesoporous silicon carbide[J].Microporous and Mesoporous Materials,2003,60(1-3):207. |
| [7] | Vilas G.Pol;Swati V.Pol;Aharon Gedanken .Novel Synthesis of High Surface Area Silicon Carbide by RAPET (Reactions under Autogenic Pressure at Elevated Temperature) of Organosilanes[J].Chemistry of Materials,2005(7):1797-1802. |
| [8] | Lu A H;Schmidt W;Kiefer W et al.High surface area mesoporous SiC synthesized via nanocasting and carbothermal reduction process[J].Journal of Materials Science,2005,40(18):5091. |
| [9] | Jean-Mario Nhut;Ricardo Vieira;Laurie Pesant;Jean-Philippe Tessonnier;Nicolas Keller;Gaby Ehret;Cuong Pham-Huu;Marc J. Ledoux .Synthesis and catalytic uses of carbon and silicon carbide nanostructures[J].Catalysis Today,2002(1):11-32. |
| [10] | Zheng Y;Zheng Y;Wang R;Wei KW .Synthesis and characterization of high surface area silicon carbide by dynamic vacuum carbothermal reduction[J].Journal of Materials Science,2008(15):5331-5335. |
| [11] | Guo X Y;Jin G Q .Pore-size control in the sol-gel synthesis of mesoporous silicon carbide[J].Journal of Materials Science,2005,40(05):1301. |
| [12] | Bette V;Mortreux A;Lehrmann C W et al.Direct Zndiamine promoted reduction of CNO and CNN bonds by polymethylhydrosiloxane in methanol[J].Chemical Communications,2003,3(03):332. |
| [13] | Yang, DJ;Li, JP;Xu, Y;Wu, D;Sun, YH;Zhu, HY;Deng, F .Direct formation of hydrophobic silica-based micro/mesoporous hybrids from polymethylhydrosiloxane and tetraethoxysilane[J].Microporous and Mesoporous Materials,2006(1/3):180-186. |
| [14] | Won-Seon Seo;Kunihito Koumoto;Shigeo Aria .Morphology and stacking faults of β-silicon carbide whisker synthesized by carbothermal reduction[J].Journal of the American Ceramic Society,2000(10):2584-2592. |
| [15] | Sing K S W;Everett D H;Haul R A W et al.Reporting physisorption data for gas/solid systems with special reference to the determination of surface area and porosity[J].Pure and Applied Chemistry,1985,57(04):603. |
| [16] | Barrett E P;Joyner L G;Halenda P P .The determination of pore volume and area distributions in porous substances.Ⅰ.Computations from nitrogen isotherms[J].Journal of the American Chemical Society,1951,73(01):373. |
| [17] | Jianfeng Yao;Huanting Wang;Xinyi Zhang;Wei Zhu;Jinping Wei;Yi-Bing Cheng .Role of Pores in the Carbothermal Reduction of Carbon-Silica Nanocomposites into Silicon Carbide Nanostructures[J].The journal of physical chemistry, C. Nanomaterials and interfaces,2007(2):636-641. |
| [18] | Wang K;Yao JF;Wang HT;Cheng YB .Effect of seeding on formation of silicon carbide nanostructures from mesoporous silica-carbon nanocomposites[J].Nanotechnology,2008(17):175605-1-175605-8-0. |
| [19] | Zhang XJ;Ma TY;Yuan ZY .Nanostructured titania-diphosphonate hybrid materials with a porous hierarchy[J].European journal of inorganic chemistry,2008(17):2721-2726. |
| [20] | Lawrence N J;Drew M D;Bushell S M .Polymethylhydrosiloxane:A versatile reducing agent for organic synthesis[J].Journal of the Chemical Society,Perkin Transactions,1999,23:3381. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%