以聚乙烯吡咯烷酮(PVP)为模板,硝酸锌和氢氧化钠为原材料,采用湿化学法,在室温(25℃)下,搅拌2h合成了大量生长有序的片层花状氧化锌.讨论了物料比、时间和反应温度等条件对合成材料形貌和结构的影响.采用X射线衍射、扫描电子显微镜和高分辨透射电子显微镜(HRTEM)对其晶体结构和形态进行了表征.此外,实验中发现,花状氧化锌对罗丹明B染料有显著的光催化降解特性,在紫外光照射140 min,罗丹明B的降解率达到98.6%.
参考文献
[1] | Hagfeldt A,Boschloo G,Sun L C,et al.Dye-Sensitized Solar Cells[J].Chem Rev,2010,110(11):6595-6663. |
[2] | Ahmad R,Tripathy N,Hahn Y B.High-Performance Cholesterol Sensor Based on the Solution-Gated Field Effect Transistor Fabricated with ZnO Nanorods[J].Biosen Bioelectron,2013,45(15):281-286. |
[3] | Shi Q,Wang Z L,Liu Y L,et al.Single-Phased Emission-Tunable Mg-Doped ZnO Phosphors for White LEDs[J].J Alloys Compd,2013,553(15):172-176. |
[4] | Xu S,Wang Z L.One-Dimensional ZnO Nanostructures:Solution Growth and Functional Properties[J].Nano Res,2011,4(11):1013-1098. |
[5] | Yu L G,Zhang G M,Li S Q,et al.Fabrication of Arrays of Zinc Oxide Nanorods and Nanotubes in Aqueous Solution under an External Voltage[J].J Cryst Growth,2007,299(1):184-188. |
[6] | Sun Y,Ndifor-Angwafor N G,Riley D J,et al.Synthesis and Photoluminescence of Ultra-Thin ZnO Nanowire/Nanotube Arrays Formed by Hydrothermal Growth[J].Chem Phys Lett,2006,431(4-6):352-357. |
[7] | Liu J,Xu L L,Wei B,et al.One-step Hydrothermal Synthesis and Optical Properties of Aluminium Doped ZnO Hexagonal Nanoplates on a Zinc Substrate[J].Cryst Eng Comm,2011,13(5):1283-1286. |
[8] | Wang X Z,Liu W,Liu J R,et al.Synthesis of Nestlike ZnO Hierarchically Porous Structures and Analysis of Their Gas Sensing Properties[J].ACS Appl Mater Interfaces,2012,4(2):817-825. |
[9] | Feng J J,Liao Q C,Wang A J,et al.Mannite Supported Hydrothermal Synthesis of Hollow Flower-Like ZnO Structures forz Photocatalytic Applications[J].Cryst Eng Comm,2011,13(12):4202-4210. |
[10] | Wang Y X,Li X Y,Lu G,et al.Highly Oriented 1-D ZnO Nanorod Arrays on Zinc Foil:Direct Growth from Substrate,Optical Properties and Photocatalytic Activities[J].J Phys Chem C,2008,112(19):7332-7336. |
[11] | Stankovic A,Dimitrijevic S,Uskokovic D.Influence of Size Scale and Morphology on Antibacterial Properties of ZnO Powders Hydrothemally Synthesized Using Different Surface Stabilizing Agents[J].Colloid Surf B,2013,102:21-28. |
[12] | Gu P F,Wang X D,Li T,et al.Synthesis,Characterization and Photoluminescence of ZnO Spindles by Polyvinylpyrrolidone-Assisted Low-Temperature Wet-Chemistry Process[J].J Cryst Growth,2012,338(1):162-165. |
[13] | Zeng J H,Jin B B,Wang Y F.Facet Enhanced Photocatalytic Effect with Uniform Single-Crystalline Zinc Oxide Nanodisks[J].Chem Phys Lett,2009,472(1/3):90-95. |
[14] | Wang A J,Liao Q C,Feng J J,et al.Apple Pectin-Mediated Green Synthesis of Hollow Double-Caged Peanut-Like ZnO Hierarchical Superstructures and Photocatalytic Applications[J].Cryst Eng Comm,2012,14(1):256-263. |
[15] | Chang J,Waclawik E R.Facet-Controlled Self-Assembly of ZnO Nanocrystals by Non-Hydrolytic Aminolysis and Their Photodegradation Activities[J].Cryst Eng Comm,2012,14 (11):4041-4048. |
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%