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善良的Man

金虫 (小有名气)

[求助] 求助,帮忙翻一下摘要,写的不太好,顺便帮忙润色下,谢谢

本论文旨在探索纳米材料硫化镍的制备方法,研究其微结构、生长机理和光学性质。利用大环多胺辅助液相法合成均匀硫化镍纳米花。并对其微结构、反应形成机理及光学性质进行了探讨。
首先,依据文献合成水溶性固态大环多胺六甲基-1,4,8,11-四氮环十四-4,11-二烯(CT),在CT辅助下液相法合成均匀硫化镍纳米花。用 X-射线衍射(XRD)、X-射线光电子能谱(XPS)、扫描电子显微镜(SEM)、透射电子显微镜(TEM)和选区电子衍射(SAED)对样品的结构、成份和形貌进行了表征。结果显示,硫化镍纳米花的尺寸大多在5.5-6.5μm,由直径为160-350nm,长至2μm的纳米棒组成,且这些纳米棒是沿平面生长的单晶。其次,时间演化和对比实验提供并确认了纳米花形成是扩散限制聚集机理(DLA),这种机理可能控制了不同的纳米结构。同时实验结果说明花状微结构强烈地依赖于反应条件,比如反应物和CT的浓度。另外,光学研究表明,晶体具有不完整性的存在。
这种方法打开了一条硫化镍材料形貌生成新的途径,很可能作为一种普适的合成方法用来构筑其他的具有新奇形貌和复杂形式的金属硫族化合物半导体微纳材料。
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灿灿妹

至尊木虫 (著名写手)

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善良的Man: 金币+50, 翻译EPI+1, ★★★★★最佳答案, 多谢您的帮助以及建议,辛苦了! 2015-05-28 09:26:33
Firstly, water-soluble macrocyclic polyamine hexamethyl-1,4,8,11-tetraazacyclotridecyl -4,11-diene(CT) was synthesized on the basis of the literature to assist the liquid method to prepare homogeneous nickel sulfide nanoflower. The structure, composition and morphology of the sample was charactered by XRD, XPS, SEM, TEM and SAED. The results showed that nickel sulfide nanoflower, whose size was  distributed in 5.5-6.5μm, was composed by nanorod with  diameter was 160-350nm and  length was 2μm, a single crystal that growed along the plane. Next, the diffusion limited aggregation mechanism (DLA)of nanoflower formation, which might  control different nanostructures, was provided and comfirmed by time evolution and contrast experiment. Meanwhile, the experimental results showed that flower-like microstructure depended strongly on reaction conditions, such as reactant and CT concentration. Furthermore, optical studies have shown that crystal has the existance of imperfection.
This method opened a new way of material morphology generated of nickel sulfide, and might be used as a universal synthetic method to construct metal chalcogenide compounds semiconductor micro-nano material with novel morphology and complicated form.
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3楼2015-05-28 00:05:03
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灿灿妹

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This paper was aimed at exploring preparation methods of nickel sulfide
nano-materials and investigating its microstructures,growth mechanism
and optical property at the same time.  Homogeneous nickel sulfide nanoflower was synthesized based on macrocyclic polyamine assisted liquid method, the  microstructures,growth mechanism and optical property of which were discussed.(中文第一段两句话可以组合一下,有点重复啰嗦的赶脚
执此一生,只为一人,天涯海角,惟愿君安
2楼2015-05-27 23:17:46
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