以AgNO3和 NH4VO3为原料,采用水热法,通过调控反应体系pH值,制备了β-AgVO3纳米线、亚微米线及微米棒.采用X射线衍射(XRD)和场发射扫描电子显微镜(FE-SEM)对样品的组成和表面形貌进行了表征.紫外-可见光吸收测试表明所制得的不同尺寸的β-AgVO3一维材料均具有较宽的紫外-可见光吸收范围,通过计算得出β-AgVO3纳米线、亚微米线及微米棒的光学带隙分别为2.21 eV,2.17 eV和2.12 eV.
参考文献
| [1] | Amy L. Linsebigler;Guangquan Lu;John T. Yates Jr. .Photocatalysis on TiO_2 Surfaces: Principles, Mechanisms, and Selected Results[J].Chemical Reviews,1995(3):735-758. |
| [2] | Fujishima A;Honda K .Electrochemical Photolysis of Water a Semiconductor[J].Nature,1972,238(5358):37-40. |
| [3] | 王竹梅,李月明,夏光华,江向平,左建林.TiO_2纳米管阵列的制备及其光催化性能研究[J].人工晶体学报,2009(06):1410-1415. |
| [4] | 吴玉程,宋林云,李云,李勇,李广海,郑治祥.Ce掺杂TiO2纳米粉体的制备及其光催化性能研究[J].人工晶体学报,2008(02):427-430. |
| [5] | Zhou L;Wang W;Zhang L et al.Single-crystalline BiVO4 Microtubes with Square Cross-sections:Microstructure,Growth Mechanism,and Photocatalytic Property[J].Journal of Physical Chemistry C,2007,111(37):13659-13664. |
| [6] | Ren, L;Jin, L;Wang, JB;Yang, F;Qiu, MQ;Yu, Y .Template-free synthesis of BiVO4 nanostructures: I. Nanotubes with hexagonal cross sections by oriented attachment and their photocatalytic property for water splitting under visible light[J].Nanotechnology,2009(11):115603-1-115603-9-0. |
| [7] | Chao-Ming Huang;Guan-Ting Pan;Yu-Chu M. Li .Crystalline phases and photocatalytic activities of hydrothermal synthesis Ag3VO4 and Ag4V2O7 under visible light irradiation[J].Applied Catalysis, A. General: An International Journal Devoted to Catalytic Science and Its Applications,2009(2):164-172. |
| [8] | Huang, C.-M.;Cheng, K.-W.;Pan, G.-T.;Chang, W.-S.;Yang, T.C.-K. .CTAB-assisted hydrothermal synthesis of silver vanadates and their photocatalytic characterization[J].Chemical Engineering Science,2010(1):148-152. |
| [9] | 汤育欣,陶杰,陶海军,吴涛,王玲,张焱焱,李转利,田西林.透明TiO2纳米管/FT0电极制备及表征[J].物理化学学报,2008(06):1120-1126. |
| [10] | 王智宇,唐培松,蒋玉龙,樊先平,钱国栋,洪樟连.量子尺寸纳米TiO2的荧光及漫反射光谱[J].稀有金属材料与工程,2004(z1):162-165. |
| [11] | Brus L .Electronic Wave Functions in Semiconductor Clusters:Experiment and Theory[J].Journal of Physical Chemistry,1986,90(12):2555-2560. |
| [12] | Encai Hao;Shuyou Li;Ryan C. Bailey;Shengli Zou;George C. Schatz;Joseph T. Hupp .Optical Properties of Metal Nanoshells[J].The journal of physical chemistry, B. Condensed matter, materials, surfaces, interfaces & biophysical,2004(4):1224-1229. |
| [13] | Ho, CM;Yu, JC;Kwong, T;Mak, AC;Lai, SY .Morphology-controllable synthesis of mesoporous CeO2 nano- and microstructures[J].Chemistry of Materials,2005(17):4514-4522. |
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