通过固相反应法合成了一系列不同尺寸的K2La2Ti3O10,考察了原料TiO2粒径对固相反应速率及产物尺寸、形貌的影响,得到了不同粒径下原料的最佳配比;以降解甲基橙为探针考察其光催化性能.结果表明:减小原料粒径,反应温度降低、速率加快;有利于合成小尺寸、大比表面积(可达11.83 m2·g-1)的层状K2La2Ti3O10,而且光催化性能提高.
参考文献
| [1] | Kazunari Domen;JunkoN.Kondo;Michikazu Hara;Tsuyoshi Takata .Photo- and Mechano-Catalytic Overall Water Splitting Reactions to Form Hydrogen and Oxygen on Heterogeneous Catalysts[J].Bulletin of the Chemical Society of Japan,2000(6):1307-1331. |
| [2] | 郭宪吉,侯文华,颜其洁,陈懿.层柱过渡金属氧化物[J].科学通报,2002(22):1681-1689. |
| [3] | 吴季怀,林煜,黄妙良,林建明,黄昀,殷澍,佐藤次雄.层状纳米光催化复合材料HNbWO6/Pt的合成及性质[J].催化学报,2001(02):209-211. |
| [4] | 王文峰.太阳能光解水制氢的研究进展[J].无机化学学报,2001(05):618-626. |
| [5] | Wenfeng Shangguan;Kozo Inoue;Akira Yoshida .Synthesis of silica-pillared layered titanium niobium oxide[J].Chemical communications,1998(7):779-780. |
| [6] | Wenhua Hou;Jun Ma;Qijie Yan.Highly thermostable,porous,layered titanoniobate pillared by silica[J].Journal of the Chemical Society,Chemical Communications,1993:1144-1145. |
| [7] | Soofin Cheng;Tzun-Chin Wang .Pillared of layered titanate by poly oxocations of aluminum[J].Inorganic Chemistry,1989,28(07):1283-1289. |
| [8] | Yashao Chen;Wenhua Hou;Canxiong Guo.Syntheis and characterization of porous chromia - pillared layered titanoniobate[J].Journal of the Chemical Society Dalton Transactions,1997:359-362. |
| [9] | 侯文华;颜其洁;傅献彩 .氧化铝柱层状铌酸盐的制备[J].化学学报,1994,52:872-876. |
| [10] | 陈新,王海,侯文华,颜其洁.新型中孔L氧化硅柱层状锰钛酸的合成[J].无机化学学报,2002(06):550-553. |
| [11] | Tsuneo Matsuda;Masako Udagawa;Isao Kunou .Photochemical reduction of nitrate to ammouia using layered hydrous titanate/cadmium sulphide nanocomposites[J].Journal of Catalysis,1997,168:26-34. |
| [12] | 汪学广,侯文华,颜其洁.氧化铬柱层状三氧化钼的合成[J].化学学报,2000(06):688-691. |
| [13] | 张莉莉,杨娟,张维光,陆路德,杨绪杰,汪信.硬脂酸法制备超细K2La2Ti3O10及其酸交换性质研究[J].无机化学学报,2003(11):1217-1221. |
| [14] | Raymond E. Schaak;Thomas E. Mallouk .Self-assembly of Tiled Perovskite Monolayer and Multilayer Thin Films[J].Chemistry of Materials,2000(9):2513-2516. |
| [15] | Raymond E. Schaak;Thomas E. Mallouk .Prying Apart Ruddlesden-Popper Phases: Exfoliation into Sheets and Nanotubes for Assembly of Perovskite THin Films[J].Chemistry of Materials,2000(11):3427-3434. |
| [16] | Song-Ho Byeon;Hyo-Jin Nam .Neutron DIffraction and FT-Raman Study of Ion-Exchangeable Layered Titanates and Niobates[J].Chemistry of Materials,2000(6):1771-1778. |
| [17] | Gopalakrishnan J;Vasadeva Bhat .A2Ln2Ti3O10(A=K or Rb,Ln=La or rare earth):A new series of layered perovskites exhibition ion exchange[J].Journal of Inorganic Chemistry,1987,26:4329-4331. |
| [18] | Juan Yang;Dan Li;Hengzhi Wang et al.Effect of particle size of staring material TiO2 on morphology and properties of layered titanate[J].Materials Letters,2001,50:230-235. |
| [19] | 杨娟 .超细层状钛酸盐和复合纳米TiO<,2>的制备及性质研究[D].南京理工大学,2002. |
| [20] | Nalwa H S.Handbook of Nanostyuctured Materials and Nanotechnology[M].San Diego:Academic Press,1999:131-138. |
| [21] | Fang M M;Kim C H;Mallouk T E et al.Diletric properties of the lamellar niobates and titanonibates AM2Nb3O10 and ATiNbO5 (A = H,K,M = Ca,Pb),and their condensation producta Ca4Nb4O19 and TiNb2O9[J].CHEMISTRY OF MATERIALS,1999,11:1519-1525. |
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%