以正硅酸乙酯(TEOS)与蔗糖为原料,采用溶胶-凝胶法制备碳硅干凝胶,利用过量的碳源作为造孔剂,在氩气气氛1500℃下进行碳热还原反应合成出新型双孔的SiC.用XRD、SEM、TEM和低温N2吸附-脱附等手段对合成的样品进行表征,结果表明:合成的样品为"刺球"状双孔的新型碳化硅,这种两种孔分别是"刺"碳化硅晶体上的孔(孔半径约为2～6nm)和"刺"与"刺"之间的隙间孔(孔半径约为6～40nm).其比表面积为113m2/g,孔体积为0.38m3/g.
参考文献
| [1] | Bao X;Nangerjo M R;Edirisinghe M J .[J].Journal of Materials Science,2000,35:4365-4372. |
| [2] | 陈志军;王军;李效东 .[J].功能材畔,2005,36(06):846-848. |
| [3] | 吴行,陈家钊,涂铭旌.SiC/Ni复合型电磁屏蔽涂料的研究[J].功能材料,2001(04):368-369,374. |
| [4] | Okada K;Kato H;Nakajima K .[J].JOURNAL OF THE AMERICAN CHEMICAL SOCIETY,1994,77:1691-1693. |
| [5] | 吴宏鹏,洪彦若,孙家林.逆反应烧结制备碳化硅/氮化硅复合材料的工艺[J].硅酸盐学报,2005(01):1-6. |
| [6] | 刘岩,黄政仁,董绍明,姚秀敏,江东亮.碳化硅泡沫陶瓷浆料成分与烧结性能[J].无机材料学报,2005(02):305-309. |
| [7] | Huu C P;Bouchy C;Dintzer T et al.[J].Applied Catalysis A:General,1999,180:385-397. |
| [8] | Keller N;Huu C P;Ledoux M J et al.[J].Applied Catalysis A:General,2001,217:205-217. |
| [9] | Keller N;Huu C P;Claude E .[J].Applied Catalysis A:General,2002,234:191-205. |
| [10] | Keller N;Keller V;Garin F et al.[J].Materials Letters,2004,58:970-974. |
| [11] | Pascaline L;Behreng M;Huu C P et al.[J].CATALYSIS TODAY,2004,91:53-57. |
| [12] | Lianos L.;Deranlot C.;Aires EJCS.;Massardier J.;Bertolini JC.;Berthet A. .Properties of Pd deposited on SiC(0001) single crystal surfaces[J].Journal of Catalysis,1998(1):129-136. |
| [13] | Pesant L;Matta J;Garin F;Ledoux MJ;Bernhardt P;Pham C;Pham-Huu C .A high-performance Pt/P-SiC catalyst for catalytic combustion of model carbon particles (CPs)[J].Applied Catalysis, A. General: An International Journal Devoted to Catalytic Science and Its Applications,2004(1):21-27. |
| [14] | Tsubaki N;Zhang Y;Sun S et al.[J].Catalysis Communications,2001,2:311-315. |
| [15] | Barrett E P;Joyner G;Halenda P et al.[J].Journal of the American Chemical Society,1951,73:373-380. |
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