采用浓乳液聚合方法制备出多孔聚合物结构材料作为模板,通过溶胶-凝胶法,将异丙醇钛的异丙醇溶液多次浸泡聚合物泡孔材料制备出了尺寸为毫米级的多孔氧化钛陶瓷材料.考察了多孔性的聚合物模板的孔径对所制备陶瓷孔径的影响,以及不同聚合物模板体系对陶瓷结构的影响,并采用扫描电子显微镜对所制备的陶瓷材料进行了形态表征.结果表明,通过调节浓乳液体系分散相的体积分数以及改变聚合物模板体系均可以有效地调节所制备的多孔陶瓷的形态结构.
参考文献
[1] | Kay A.;Gratzel M. .LOW COST PHOTOVOLTAIC MODULES BASED ON DYE SENSITIZED NANOCRYSTALLINE TITANIUM DIOXIDE AND CARBON POWDER[J].Solar Energy Materials and Solar Cells: An International Journal Devoted to Photovoltaic, Photothermal, and Photochemical Solar Energy Conversion,1996(1):99-117. |
[2] | MILLS A;HUNTE S L .An overview of semiconductor photocatalysis[J].Journal of Photochemistry and Photobiology A:Chemistry,1997,108:1-35. |
[3] | Kramer E.;Goltner C.;Antonietti M.;Forster S. .Synthesis of nanoporous silica with new pore morphologies by templating the assemblies of ionic block copolymers[J].Langmuir: The ACS Journal of Surfaces and Colloids,1998(8):2027-2031. |
[4] | Zhi-Guo Shi;Yu-Qi Feng;Li Xu;Shi-Lu Da;Yao-Yao Ren .Synthesis of a silica monolith with textural pores and ordered mesopores[J].Microporous and Mesoporous Materials,2004(1/3):55-59. |
[5] | Velev OD.;Kaler EW. .Structured porous materials via colloidal crystal templating: From inorganic oxides to metals[J].Advanced Materials,2000(7):531-534. |
[6] | Steven J. Limmer;Seana Seraji;Yun Wu;Tammy P. Chou;Carolyn Nguyen;Guozhong Cao .Template-Based Growth of Various Oxide Nanorods by Sol-Gel Electrophoresis[J].Advanced functional materials,2002(1):59-64. |
[7] | Rachel A. Caruso;Markus Antonietti .Silica Films with Bimodal Pore Structure Prepared by Using Membranes as Templates and Amphiphiles as Porogens[J].Advanced functional materials,2002(4):307-312. |
[8] | Brinda B.Lakshmi;Peter K.Dorhout;Charles R.Martin .Sol-gel template synthesis of semiconductor nanostructures[J].Chemistry of Materials,1997(3):857-862. |
[9] | WANG D;CARUSO R A;CARUSO F .Synthesis of macroporous titania and inorganic composite materials from coated colloidal spheres a novel route to tune pore morphology[J].CHEMISTRY OF MATERIALS,2001,13:364-371. |
[10] | Hideki Maekawa;Jordi Esquena;Samuel Bishop;Conxita Solans;Bradley F. Chmelka .Meso/Macroporous Inorganic Oxide Monoliths from Polymer Foams[J].Advanced Materials,2003(7/8):591-596. |
[11] | Caruso RA.;Schattka JH. .Cellulose acetate templates for porous inorganic network fabrication[J].Advanced Materials,2000(24):1921-1923. |
[12] | 杜中杰,张晨,励杭泉.反相浓乳液方法制备聚苯乙烯/二乙烯基苯结构型泡孔聚合物[J].高等学校化学学报,2002(08):1614-1617. |
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