以Zn粉为原料,在CuE(E=S, Se)微米球的辅助下,采用化学气相沉积(CVD)法在Si衬底上成功制备出微米级ZnE(E=S, Se)网状晶须.用XRD,EDS,SEM和PL谱分别对产物的结构、成分、形貌和结晶质量进行了测试和分析.结果表明:生长的ZnS和ZnSe微米晶须均为立方闪锌矿结构,长度达300 μm以上,具有接近理想化学计量比的成分和较高的结晶质量.ZnE微米晶须的生长符合氧化还原反应下的气-液-固生长机制,Cu3Zn合金充当了实际的微米晶须生长催化剂,在晶须生长过程中Cu3Zn合金汇聚在一起使ZnE微米晶须形成交叉网状结构.
参考文献
| [1] | X. T. Zhang;Z. Liu;K. M. Ip;Y. P. Leung;Quan Li;S. K. Hark .Luminescence of ZnSe nanowires grown by metalorganic vapor phase deposition under different pressures[J].Journal of Applied Physics,2004(10):5752-5755. |
| [2] | X. T. Zhang;Z. Liu;Y. P. Leung;Quan Li;S. K. Hark .Growth and luminescence of zinc-blende-structured ZnSe nanowires by metal-organic chemical vapor deposition[J].Applied physics letters,2003(26):5533-5535. |
| [3] | Lv RT.;Cao CB.;Zhai HZ.;Wang DZ.;Liu SY.;Zhu HS. .Growth and characterization of single-crystal ZnSe nanorods via surfactant soft-template method[J].Solid State Communications,2004(3/4):241-245. |
| [4] | Leung YP;Liu Z;Hark SK .Changes in morphology and growth rate of quasi-one-dimensional ZnSe nanowires on GaAs (100) substrates by metalorganic chemical vapor deposition[J].Journal of Crystal Growth,2005(3/4):248-257. |
| [5] | Chan SK;Cai Y;Sou IK;Wang N .MBE-grown Au-island-catalyzed ZnSe nanowires[J].Journal of Crystal Growth,2005(1/4):146-150. |
| [6] | Zhu YC.;Bando Y. .Preparation and photoluminescence of single-crystal zinc selenide nanowires[J].Chemical Physics Letters,2003(3-4):367-370. |
| [7] | Wang W Z;Geng Y;Yan P et al.Synthesis and Characterization of MSe (M=Zn,Cd) Nanorods by a New Solvothermal Method[J].Inor.Chem.Comm,1999,2(03):83-85. |
| [8] | Zhang XT;Ip KM;Li Q;Hark SK .Photoluminescence of Ag-doped ZnSe nanowires synthesized by metalorganic chemical vapor deposition[J].Applied physics letters,2005(20):3114-1-3114-3-0. |
| [9] | Deng H;Chen C;Peng Q;Li YD .Formation of transition-metal sulfide microspheres or microtubes[J].Materials Chemistry and Physics,2006(2/3):224-229. |
| [10] | 徐晟 .胶体粒子的液相合成与修饰[D].北京:清华大学,2005. |
| [11] | 李焕勇,介万奇,熊鹏,付红志.一维ZnE（E=S,Se）纳米结构的气相合成[J].稀有金属材料与工程,2007(z2):279-282. |
| [12] | Westrum E F;Stolen S;Gronvold F .Thermodynamics of Copper SulfidesⅡ.Heat Capacity and Thermodynamics from 5 to 780.5K.Enthalpy of Decomposition[J].Journal of Chemical Thermodynamics,1987,19:1199-1208. |
| [13] | Stolen S;Fjellvag H;Gronvold F et al.Heat Capacity,Structural and Thermodynamics Properties of Synthetic Klockmannite CuSe at Temperature from 5K to 652.7K.Enthalpy of Decomposition[J].Journal of Chemical Thermodynamics,1996,28:753-766. |
| [14] | 王向阳,钱(纁),蔡以超,何莉,肖红涛.以S、Se为原料的CVD ZnS、CVD ZnSe的化学反应分析[J].人工晶体学报,2005(04):700-703. |
| [15] | 吴振玉,杨富国,方正.ZnS纳米微粒的光谱特性研究[J].安徽化工,2002(02):28. |
| [16] | Khosravi A A;Kundu M;Jatwa L et al.Green Luminescence from Copper Doped Zinc Sulphide Quantum Particles[J].Applied Physics Letters,1995,67(18):2702-2704. |
| [17] | Green-light-emitting ZnSe nanowires fabricated via vapor phase growth[J].Applied Physics Letters,2003(19):3330-3332. |
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