球磨-固相烧结合成WS2六方纳米片及其摩擦学性能
Synthesis of Hexagonal WS2 Nanosheets by Ball-Milling and Solid State Reaction Process and Their Tribological Properties
摘 要
以硫粉和钨粉为原料, 通过球磨-固相烧结的方法合成WS2六方纳米片, 采用X 射线衍射仪(XRD)、扫描电镜(SEM)和透射电镜(TEM)对产物的物相、形貌和微观结构进行了表征, 根据试验结果提出了其可能的生长机理, 并通过摩擦试验对其摩擦磨损性能进行评价。结果表明: 制备WS2六方纳米片的最佳工艺条件为700 ℃保温1 h, 在该条件下合成的 WS2纳米片厚度均匀, 约为100 nm, 直径在1～2 μm;在基础油中添加了WS2六方纳米片后, 摩擦因数降低, 有效改善了基础油的摩擦学性能。
摩擦学性能
高能球磨
固相反应
hexagonal WS2 nanosheets
tribological property
high energy ball milling
solid state reaction
Abstract
Hexagonal WS2 nanosheets were successfully synthesized by ball-milling and solid-state reaction using W and S powders as raw materials. The phase, morphology and structure of products were investigated by X-ray diffractometry (XRD), scanning electron microscopy (SEM) and transmission electron microscopy (TEM). Then a possible formation mechanism of the hexagonal WS2 nanosheets was preliminarily proposed on the basis of the experimental results. The tribological properties of hexagonal WS2 nanosheets as a lubrication additive in paraffin base oil were investigated by friction testing. The results show that the best hexagonal WS2 nanosheets were prepared at condition of 700 ℃×1 h, which had uniform thickness of 100 nm with diameter around 1-2 μm. The friction coefficient declined when the hexagonal WS2 nanosheets were added into the base oil, so the hexagonal WS2 nanosheets can improve the tribological property of the base oil.
中图分类号 TG146.1
所属栏目 纳米材料
基金项目 国家自然科学基金资助项目(51275213);江苏省自然科学基金资助项目(BK2011534)
收稿日期 2013/12/23
修改稿日期 2014/9/1
网络出版日期
作者单位点击查看
备注池雯(1974-), 江苏常熟人, 讲师, 学士。
引用该论文: CHI Wen,WANG Huan,SI Qin,LI Chang-sheng. Synthesis of Hexagonal WS2 Nanosheets by Ball-Milling and Solid State Reaction Process and Their Tribological Properties[J]. Materials for mechancial engineering, 2014, 38(12): 87～91
池雯,王欢,司琴,李长生. 球磨-固相烧结合成WS2六方纳米片及其摩擦学性能[J]. 机械工程材料, 2014, 38(12): 87～91
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【3】JEONG S, HAN J H, JANG J T, et al. Transformative two-dimensional layered nanocrystals［J］.J Am Chem Soc, 2011, 133:14500-14503.
【4】RAO B G, RAMAKRISHNA MATTE H S S, RAO C N R. Decoration of few-layer graphene-like MoS2 and MoSe2 by noble metal nanoparticles［J］.J Clust Sci,2012,23:929–937.
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【6】FELDMAN Y, WASSERMAN E, SROLOVITZ D J, et al. High rate gas-phase growth of MoS2 nested inorganic fullerenes and nanotubes［J］.Science,1995,267:222-225.
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【8】晋跃,李长生,王木菊,等.WSe2纳米片的合成及其摩擦学性能研究［J］.真空科学与技术学报,2011,31(5):646-651.
【9】TANG Guo-gang, SUN Jian-rong, CHEN Wei, et al. Surfactant-assisted hydrothermal synthesis and tribological properties of flower-like MoS2 nanostructures［J］.Micro & Nano Letters,2013,8:164-168.
【10】唐国钢,李长生,唐华, 等.WS2纳米棒的合成及其摩擦学性能［J］.无机化学学报,2012,28(7):1368-1372.
【11】TANG Guo-gang, TANG Hua, LI Chang-sheng, et al. Surfactant-assisted hydrothermal synthesis and characterization of WS2 nanorods［J］.Materials Letters,2011,65:3457-3460.
【12】TANG Hua, CAO Ke-sheng, WU Qiong, et al. Synthesis and tribological properties of copper matrix solid self-lubricant composites reinforced with NbSe2 nanoparticles［J］.Cryst Res Technol, 2011,46(2):195-200.
【13】陈卫祥,涂江平,马晓春.无机类富勒烯过渡金属硫化物纳米材料的合成及其摩擦学应用研究进展［J］.摩擦学学报,2003,23(1):76-80.
【14】胡志立,李长生,唐华, 等.W掺杂NbSe2及其Cu基复合材料摩擦学性能研究［J］.无机化学学报,2013,29(4):767-773.
【15】TANG Guo-gang, WANG Yi-jiang, CHEN Wei, et al. Hydrothermal synthesis and characterization of novel flowerlike MoS2 hollow microspheres［J］.Materials Letters,2013,100:15-18.
【16】张波,田明亮,张裕恒.在层状超导体2H-NbSe2中的重入现象［J］.低温物理学报,2000,22(6):401-409.
【17】TONGAY S, ZHOU J, ATACA C, et al. Thermally driven crossover from indirect toward direct bandgap in 2D semiconductors: MoSe2 versus MoS2 ［J］.Nano Lett, 2012,12:5576-5580.
【18】WIBOWO R A, JUNG W H, AL-FARUQI M H, et al. Crystallization of Cu2ZnSnSe4 compound by solid state reaction using elemental powders［J］.Materials Chemistry and Physics,2010,124:1006-1010.
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