以WO3和硫为原料,采用机械活化法制备了2H-WS2纳米片；采用XRD、SEM、TEM等手段研究了反应温度、保温时间及退火条件对产物的影响,并分析了反应过程和机理.结果表明:此方法的硫化过程为一步式反应,球磨对这一过程起到了重要的作用；球磨后的WS2纳米片退火时会发生非典型的自组装,此过程受到退火温度的制约；球磨可以限制退火时薄片的聚合长大,从而得到均匀有序、厚度约30 nm的WS2纳米片.
参考文献
| [1] | R. TENNE .Inorganic nanotubes and fullerene-like nanoparticles[J].Nature nanotechnology,2006(2):103-111. |
| [2] | Russell R. Chianelli;Gilles Berhault;Brenda Torres .Unsupported transition metal sulfide catalysts: 100 years of science and application[J].Catalysis Today,2009(3/4):275-286. |
| [3] | Feng CQ;Huang LF;Guo ZP;Liu HK .Synthesis of tungsten disulfide (WS2) nanoflakes for lithium ion battery application[J].Electrochemistry communications,2007(1):119-122. |
| [4] | A. Rothschild;S. R. Cohen;R. Tenne .WS_(2) nanotubes as tips in scanning probe microscopy[J].Applied physics letters,1999(25):4025-4027. |
| [5] | Ye LN;Wu CZ;Guo W;Xie Y .MoS2 hierarchical hollow cubic cages assembled by bilayers: one-step synthesis and their electrochemical hydrogen storage properties[J].Chemical communications,2006(45):4738-4740. |
| [6] | Ballif C.;Levy F.;Regula M. .Optical and electrical properties of semiconducting WS_2 thin films: From macroscopic to local probe measurements[J].Solar Energy Materials and Solar Cells: An International Journal Devoted to Photovoltaic, Photothermal, and Photochemical Solar Energy Conversion,1999(2):189-207. |
| [7] | 郑遗凡,宋旭春,刘波,韩贵,徐铸德.嵌套球形层状封闭结构纳米二硫化钨的合成与机理探讨[J].无机材料学报,2004(03):653-656. |
| [8] | Zelenski CM.;Dorhout PK. .Template synthesis of near-monodisperse microscale nanofibers and nanotubules of MoS2[J].Journal of the American Chemical Society,1998(4):734-742. |
| [9] | Jifen Wu;Xun Fu .A low-temperature solvothermal method to prepare hollow spherical WS_2 nanoparticles modified by TOA[J].Materials Letters,2007(21):4332-4335. |
| [10] | Remskar,M;Mrzel,A;Skraba,Z;Jesih,A;Ceh,M;Demsar,J;Stadelmann,P;Levy,F;Mihailovic,D .Self-assembly of subnanometer-diameter single-wall MoS2 nanotubes.[J].Science,2001(5516):479-481. |
| [11] | Ellmer K .Preparation routes based on magnetron sputtering for tungsten disulfide (WS2) films for thin-film solar cells[J].Physica status solidi, B. Basic research,2008(9):1745-1760. |
| [12] | Feldman Y;Wasserman E;Srolovitz DJ;Tenne R .HIGH-RATE, GAS-PHASE GROWTH OF MOS2 NESTED INORGANIC FULLERENES AND NANOTUBES[J].Science,1995(5195):222-225. |
| [13] | Y. Feldman;A. Zak .New reactor for production of tungsten disulfide hollow onion-like (inorganic fullerene-like) nanoparticles[J].Solid state sciences,2000(6):663-672. |
| [14] | Yan CL;Xue DF .Novel self-assembled MgO nanosheet and its precursors[J].The journal of physical chemistry, B. Condensed matter, materials, surfaces, interfaces & biophysical,2005(25):12358-12361. |
| [15] | Xu AW;Antonietti M;Colfen H;Fang YP .Uniform hexagonal plates of vaterite CaCO3 mesocrystals formed by biomimetic mineralization[J].Advanced functional materials,2006(7):903-908. |
| [16] | A.Margolin;R.Rosentsveig;A.Albu-Yaron;R.Popovitz-Biro;R.Tenne .Study of the growth mechanism of WS_2 nanotubes produced by a fluidized bed reactor[J].Journal of Materials Chemistry: An Interdisciplinary Journal dealing with Synthesis, Structures, Properties and Applications of Materials, Particulary Those Associated with Advanced Technology,2004(4):617-624. |
| [17] | 曾一,赵鹏,王跃峰,杨龙,彭世玉.气相反应条件对合成高纯度富勒烯结构二硫化钼的影响[J].中国钨业,2008(01):42-44. |
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%