欢迎登录材料期刊网

材料期刊网

高级检索

以钨酸钠为钨源,水和乙醇混合溶液为溶剂,聚环氧乙烷-聚环氧丙烷-聚环氧乙烷三嵌段共聚物(P123)为结构导向剂和致孔剂,采用前驱体路线和溶剂热法合成了具有特殊形貌的介孔WO3,同时讨论了不同温度和时间对样品形貌的影响.利用XRD、SEM、TEM、N2吸附-脱附、UV和TG等手段对样品进行了分析表征.研究结果表明,所合成的WO3材料具有介孔结构和较大的比表面积,溶剂热时间的增加和反应温度的升高,均有利于WO3晶粒的长大和形貌的变化.材料对罗丹明B染料水溶液呈现了较好的吸附性能,去除率最高可达93.13%.

参考文献

[1] Rajakovic V N,Mintova S,Senker J,et al.Synthesis and Chatacterization of V-and Ti-substituted Mesoporous Materials[J].Mater Sci Eng,2003,23:817-821.
[2] SONG Xiaolan,QU Peng,WANG Haibo,et al.Synthesis,Characterazition,Assembly and Application of Mesoporous Material[J].Chinese Mater Rev,2004,18(10):28-30(in Chinese).宋晓岚,曲鹏,王海波,等.介孔材料的制备、表征、组装及其应用[J].材料导报,2004,18(10):28-30.
[3] Kim H,Cho J.Superior Lithium Electroactive Mesoporous Si@Carbon Core-Shell Nanowires for Lithium Battery Anode Material[J].Nano Lett,2008,8:3688-3691.
[4] Beck S J,Vartuli J C,Roth W J,et al.Ordered Mesoporous Molecular Sieves Synthesized by a Liquid-crystal Template Mechanism[J].Nature,1992,359:710-712.
[5] Santato C,Odziemkowski M,Ulmann M,et al.Crystallographically Oriented Mesoporous WO3 Films:Synthesis,Characterization,and Applications[J].J Am Chem Soc,2001,123:10639-10649.
[6] JI Tianhao,HOU Shaofan,DU Haiyan,et al.Preparation and Characterization of Hexagonal WO3 Nanobelts[J].Chinese J Inorg Chem,2009,25 (5):818-822 (in Chinese).嵇天浩,侯少凡,杜海燕,等.六方相WO3纳米带的制备与表征[J].无机化学学报,2009,25(5):818-822.
[7] Grilli M L,Bartolomeo E D,Traversa E.NOx Sensors Based on Interfacing Yttria Stabilized Zirconia with p and n-Type Semiconducting Oxides[J].Key Eng Mater,2001,206-213:1243-1246.
[8] Tritthart U,Gey W,Gavrily A.Nature of the Optical Absorption Band in Amorphous Hx WO3 Thin Films[J].Electrochem Commun,1999,44(18):3039-3049.
[9] Khan M H,Cole J A,Vogel D V,et al.Method for the Production of a Purified MoO3 Composition:US Patent[P],1998-10-13.
[10] Sun M,Xu N,Cao Y W,et al.Preparation,Microstructure and Photochromism of a New Nanocrystaline WO3 Film[J].Mater Sci Lett,2000,19 (16):1407-1409.
[11] SONG Xuchun,WANG Yun,LIN Shen,et al.Selected-Control Synthesis and Photoluminescence Properties of Tungsten Oxide Nanowires and Nanoparticles[J].Rare Met Mater Eng,2007,36 (3):9-12 (in Chinese).宋旭春,王芸,林深,等.氧化钨纳米颗粒和纳米线的选择合成及光致发光研究[J].稀有金属材料与工程,2007,36(3):9-12.
[12] Wei X L,Shen P K.Electrochromics of Single Crystalline WO3·H2O Nanorods[J].Electrochem Commun,2006,8:293-298.
[13] LI Wenzhang,LI Jie,WANG Xuan,et al.Photoelectrochemical Properties of Cubic Tungsten Trioxide Films Obtained by the Polymeric Precursor Method[J].Acta Phys-Chim Sin,2010,26 (9):2343-2348 (in Chinese).李文章,李洁,王旋,等.聚合物前驱体法制备立方相WO3薄膜的光电化学性质[J].物理化学学报,2010,26(9):2343-2348.
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:
  • 1
    0%
  • 2
    0%
  • 3
    0%
  • 4
    0%
  • 5
    0%