采用聚丙烯酰胺凝胶法制备高浓度Al掺杂ZnO(AZO)前驱体(x(Al)=5.5mol％、6.5mol％),研究煅烧工艺对AZO粉体光学性能的影响.结果表明:随着煅烧温度升高,Al在ZnO中的固溶度降低.当煅烧温度为750℃时,生成ZnAl2O4相.提高煅烧温度,粉体的紫外吸收峰从366 nm红移至373 nm;延长煅烧时间,紫外吸收峰发生蓝移,吸收强度明显增大.室温下AZO粉体光致发光(PL)光谱主要由354 nm的紫外发射峰、406 nm的近边紫外发射峰和430 nm的蓝光发射峰组成.
参考文献
| [1] | Wahab Rizawan,Ansari S G,Kim Y S,et al.Low temperature solution synthesis and character-ization of ZnO nano-flowers.Materials Research Bulletin,2007,42(9):1640-1648. |
| [2] | 张霞,焦宝祥,孙芳芳.ZnO基荧光粉的制备及荧光光谱分析.量子电子学报,2010,27(6):661-664. |
| [3] | 李玲,白建双,金志探,等.掺杂对纳米ZnO粉体紫外-可见光吸收性能的影响.华南理工大学学报:自然科学版,2004,32(6):41-44. |
| [4] | Yu Y S,Kim G Y,Min B H,et al.Optical characteristic of Ge doped ZnO compound.Journal of the European Ceramic Society,2004,24(6):1865-1868. |
| [5] | Yousefi Ramin,Kamaluddin Burhanuddin.The effects of annealing temperature on structural and optical properties of S-doped ZnO nanobelts.Solid State Science,2010,12(2):252-256. |
| [6] | He Jr H,Lao Chang S,Chen Lin J,et al.Large-Scale Ni-doped ZnO nanowire arrays and electrical and optical properties.Journal of American Chemical society,2005,127(47):16376-16377. |
| [7] | Qu Xiu-rong,Lv Shu-chen,Bai Li-na,et al.Electronic structure and optical properties of Sn-doped ZnO.Physica B:Condensed Matter,2012,407(2):268-270. |
| [8] | Rajeswari Yougamalar N,Chandra Bose A.Absorption-emission study of hydrotherapy grown Al:ZnO nanostructures.Journal of Alloys and Compounds,2011,509(34):8493-8500. |
| [9] | Liang Yuan-chang.Microstructure and optical properties of electrodeposited Al-doped ZnO nanosheets.Ceramics International,2012,35(1):119-124. |
| [10] | Zhang Yu-long,Yang Ye,Zhao Jun-hua,et al.Optical and electrical properties of aluminum doped zinc oxide nanoparficles.Journal of Material Society,2011,46(3):774-780. |
| [11] | Wang Xiao-feng,Wang Ri-chu,Peng Chao-qun,et al.Growth of BeO nanograins sythesized by polycrylamide gel route.Journal of the Material Society Technology,2011,27(2):147-152. |
| [12] | Wu Song-quan,Liu Yu-yan,He Li-na,et al.Preparation of β-Sphodumenne-Based glass-ceramic powder by polyacrylamine gel process.Materials Letters,2004,58(22/23):2772-2775. |
| [13] | Kunar K,Rarnamoorthy K,Koinkar P M,et al.A novel way of modifying nano grain size by solution concentration in the growth of ZnAl2O4 thin films.Journal of Nanoparticle Research,2007,9(2):331-335. |
| [14] | Wang Xing-ming,Bai Xue,Duan Hua-ying,et al.Preparation of Al-doped ZnO sputter target by hot pressing.Transactions of Nonferrous Metals Society of China,2011,21(7):1550-1556. |
| [15] | Serier H,Demourgues A,Majimel J,et al.Infrared absorptive properties of Al-doped ZnO divided powder.Journal of Solid State Chemistry,2011,184(6):1523-1529. |
| [16] | Rajeswari Yougamalar N,Chandra Bose A.Burstein-Mess shift and room temperature near bandedge luminescence in lithium-doped zinc oxide.Applied Physics A,2011,103(1):33-42. |
| [17] | 陈航,邓宏,戴丽萍,等.掺Cd对ZnO薄膜光学性能的影响.人工晶体学报,2008,37(1):213-217. |
| [18] | Davide Cozzoli P,Lucia Curri,Angela Agostiano A.ZnO nanocrystals by non-hydrolytic rout:synthesis and characterization.Journal of Physical Chemical B,107(20):4756-4762. |
| [19] | Piticescu Robert R,Piticescu Roxana M,Monty Claude J.Synthsis of Al-doped ZnO nanomaterials with controlled luminescence.Journal of the European Ceramic Society,2006(26):2979-2983. |
| [20] | Zeng Hai-bo,Duan Guo-tao,Li Yue,et al.Blue luminescence of ZnO nanoparticles based on non-equilibrium processes:defect origins and emission controls.Advance Function Materials,2010,20(4):561-572. |
| [21] | Bai S N,Tsai H H,Tseng T Y.Structural and optical properties of Al-doped ZnO nanowires synthesized by hydrothermal method.Thin Solid Films,2007,516(2/4):155-158. |
| [22] | Chen K J,Fang T H,Huang F Y,et al.The crystallization and physical properties of Al-doped ZnO nanoparticles.Applied Surface Science,254(18):5791-5795. |
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