以十六烷基三甲基溴化铵(CTAB)/苯乙烯/硝酸锌溶液/过硫酸钾组成的聚苯乙烯微乳液为模板,提出一种制备介孔氧化锌的简易方法,研究了煅烧温度对介孔氧化锌结构特性的影响,提出了介孔形成的可能机制.结果表明:煅烧温度较高时,所得介孔氧化锌的孔径较大,比表面积较小;当煅烧温度为 500℃时,所得纳米氧化锌的比表面积为 11.013 m2·g-1,孔容为0.135 cm3·g-1,介孔分布在40.2 nm左右.此外,光催化降解亚甲基蓝的实验表明所制备的介孔 ZnO 具有较高的光催化性能.
参考文献
| [1] | Pirkanniemi K;Sillanpaa M .Heterogeneous Water Phase Catalysis as an Environmental Application:a Review[J].Chemosphere,2002,48:1047-1060. |
| [2] | Yu J G;Yu X X .Hydrothermal Synthesis and Photocatalytic Activity of Zinc Oxide Hollow Sspheres[J].Environmental Science and Technology,2008,42:4902-4907. |
| [3] | Sakthivel S.;Neppolian B.;Shankar MV.;Arabindoo B.;Palanichamy M. Murugesan V. .Solar photocatalytic degradation of azo dye: comparison of photocatalytic efficiency of ZnO and TiO2[J].Solar Energy Materials and Solar Cells: An International Journal Devoted to Photovoltaic, Photothermal, and Photochemical Solar Energy Conversion,2003(1):65-82. |
| [4] | Akira Taguchi;Ferdi Schuth .Ordered mesoporous materials in catalysis[J].Microporous and Mesoporous Materials,2005(1):1-45. |
| [5] | Ferdi Schuth .Non-siliceous Mesostructured and Mesoporous Materials[J].Chemistry of Materials,2001(10):3184-3195. |
| [6] | Stein A .Advances in Microporous and Mesoporous Solids-highlights of Recent Progress[J].Advanced Materials,2003,15(10):763-775. |
| [7] | Clement Sanchez;Benedicte Lebeau;Frederic Chaput;Jean-Pierre Boilot .Optical Properties of Functional Hybrid Organic-Inorganic Nanocomposites[J].Advanced Materials,2003(23):1969-1994. |
| [8] | Y Xiao;L Li;Y Li .Synthesis of mesoporous ZnO nanowires through a simple in situ precipitation method[J].Nanotechnology,2005(6):671-674. |
| [9] | Lakshmi B B;Patrissi C J;Martin C R .Sol-gel Template Synthesis of Semiconductor Oxide Micro-and Nanostructures[J].Chemistry of Materials,1997,9(11):2544-2550. |
| [10] | Cambelli P;Gorbo P;Migliardini F .Potentialities and Limitations of Lean de-NOx Catalysts in Reducing Automotive Exhaust Emissions[J].Catalysis Today,2000,59(03):279-286. |
| [11] | Zhifeng Liu;Zhengguo Jin;Wei Li;Jijun Qiu .Assembly of ordered ZnO porous thin films by cooperative assembly method using polystyrene spheres and ultrafine ZnO particles[J].Materials Research Bulletin: An International Journal Reporting Research on Crystal Growth and Materials Preparation and Characterization,2006(1):119-127. |
| [12] | Daniel M.Lyons;Kevin M.Ryan;Michael A.Morris .Preparation of ordered mesoporous ceria with enhanced thermal stability[J].Journal of Materials Chemistry: An Interdisciplinary Journal dealing with Synthesis, Structures, Properties and Applications of Materials, Particulary Those Associated with Advanced Technology,2002(4):1207-1212. |
| [13] | Moon WJ.;Yu JH.;Choi GM. .The CO and H-2 gas selectivity of CuO-doped SnO2-ZnO composite gas sensor[J].Sensors and Actuators, B. Chemical,2002(3):464-470. |
| [14] | Jun Bao;Zhenlin Liu;Yi Zhang .Preparation of mesoporous Cu/ZnO catalyst and its application in low-temperature methanol synthesis[J].Catalysis Communications,2008(5):913-918. |
| [15] | 耿旺昌,赖小勇,李晓天.具有结晶孔壁介孔镁锌氧复合物[J].物理化学学报,2010(02):527-530. |
| [16] | Wang Z J;Li Z Y;Zhang H N .Improved Photocatalytic Activity of Meseporous ZnO-SnO2 Coupled Nanofibers[J].Catalyst Communication,2009,11:257-260. |
| [17] | Naszályi L;Bosc F;Ayral A .Sol-gel-derived Mesoporous SiO2/ZnO Active Coating and Development of Multifunetional Ceramic Membranes[J].Separation and Purification Technology,2008,59:304-309. |
| [18] | van den Berg MWE;Polarz S;Tkachenko OP;Klementiev KV;Bandyopadhyay M;Khodeir L;Gies H;Muhler M;Grunert W .Cu/ZnO aggregates in siliceous mesoporous matrices: Development of a new model methanol synthesis catalyst[J].Journal of Catalysis,2006(2):446-455. |
| [19] | Yoon D H;Choi G M .Micrestructure and CO Gas Sensing Properties of Porous ZnO Produced by Starch Addition[J].Sensors and Actuators B: Chemical,1997,45(03):251-257. |
| [20] | Jiu J.;Kurumada K.;Tanigaki M. .Preparation of nanoporous ZnO using copolymer gel template[J].Materials Chemistry and Physics,2003(1):93-98. |
| [21] | Wagner T;Waitz T;Roggenbuck J;Froba M;Kohl CD;Tiemann M .Ordered mesoporous ZnO for gas sensing[J].Thin Solid Films: An International Journal on the Science and Technology of Thin and Thick Films,2007(23):8360-8363. |
| [22] | Ugelstad J;Hansen F K;Lange S .Emulsion Polymerization of Styrene with Sodium Hexadecyl Sulphate/Hexadecanol Mixtures as Emulsifiers.Initiation in Monomer Droplets[J].Die Makromolekulare Chemie,1974,175:507-521. |
| [23] | Tang P L;Sudol E D;Silebi C A et al.Miniemulsion Polymerization-A Comparative Study of Preparative Variables[J].Journal of Applied Polymer Science,1991,43:1059-1066. |
| [24] | Yumin Liu;Lv Hua;Shuangqing Li .Photocatalytic degradation of Reactive Brilliant Blue KN-R by TiO2/UV process[J].Desalination: The International Journal on the Science and Technology of Desalting and Water Purification,2010(1/3):48-53. |
| [25] | R.Y.Hong;J.H.Li;LL.Chen .Synthesis,surface modification and photocatalytic property of ZnO nanoparticles[J].Powder Technology: An International Journal on the Science and Technology of Wet and Dry Particulate Systems,2009(3):426-432. |
| [26] | Sreethawong, T;Chavadej, S;Ngamsinlapasathian, S;Yoshikawa, S .Sol-gel synthesis of mesoporous assembly of Nd2O3 nanocrystals with the aid of structure-directing surfactant[J].Solid state sciences,2008(1):20-25. |
| [27] | Kresge C T;Leonowiez M E;Roth W J et al.Ordered Mesoperous Molecular Sieves Synthesized by a Liquid-crystal Template Mechanism[J].Lett Nat,1992,359:710-712. |
| [28] | Sicard L.;Lebeau B.;Patarin J.;Zana R. .Study of the mechanism of formation of a mesostructured hexagonal alumina by means of fluorescence probing techniques[J].Langmuir: The ACS Journal of Surfaces and Colloids,2002(1):74-82. |
| [29] | Ohtani B;Ogawa Y;Nishimoto S I .Photocatalytic Activity of Amorphous-anatase Mixture of Titanium(Ⅳ)Oxide Particles Suspended in Aqueous Solutions[J].Journal of Physical Chemistry B,1997,101:3746-3752. |
| [30] | Chen Shifu;Zhao Wei;Zhang Sujuan .Preparation,characterization and photocatalytic activity of N-containing ZnO powder[J].Chemical engineering journal,2009(2/3):263-269. |
| [31] | 石建稳,陈少华,王淑梅.多孔纳米氧化钛的制备及其光催化降解罗丹明B[J].人工晶体学报,2010(01):158-162. |
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