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Direct self-assembly of CTAB-capped Au nanotriangles
  • ISSN号:0253-9837
  • 期刊名称:《催化学报》
  • 时间:0
  • 分类:O647.2[理学—物理化学;理学—化学] TB383[一般工业技术—材料科学与工程]
  • 作者机构:[1]State Key Laboratory of Electroanalytical Chemistry, and Jilin Province Key Laboratory of Low Carbon Chemical Power, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, China, [2]College of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen 518060, China, [3]University of Chinese Academy of Sciences, Beijing 100049, China
  • 相关基金:Dr. Mattew R. Jones and Prof. Paul Alivisatos from UC Berkeley are appreciated for the valuable discussion about the self-assembly mechanism. This work was supported by the National Basic Research Program of China (973 Program, Nos. 2012CB932800 and 2014CB932700), National Natural Science Foundation of China (Nos. 21422307, 21303180, 21433003, 21503212, and 21503211), the "Recruitment Program of Global youth Experts" of China, Shenzhen Science and Technology Foundation (No. JCYJ20140418182819116), and the Natural Science Foundation of SZU (No. 201447).
中文摘要:

浓密地收拾行李并且命令 suprastructures 是展出宽广应用的 nanomaterials 的新类型。cetyltrimethylammonium 溴化物(CTAB ) 直接自己组装形成 suprastructures 的盖住的金 nanotriangles 被改变温度系统地调查并且倾斜在汇编进程使用的硅晶片的角度。在最佳的条件下面, nanotriangles 变成常规模式,维持他们的正直,并且形成 edge-to-edge,点对点,并且在几百方形的微米的一个区域以内形成订的 suprastructures 的面对面连接,完成整齐的高水平。在最佳的条件下面的 suprastructures 的形成能主要被归因于在多重温度依赖者因素之间的复杂平衡,包括原子散开率,溶剂蒸发率,自己组装率,和 nanoparticle 呆在湿媒介的时间。

英文摘要:

Densely packed and ordered "suprastructures" are new types of nanomaterials exhibiting broad applications. The direct self-assembly of cetyltrimethylammonium bromide (CTAB)-capped gold nanotriangles to form "suprastructures" was systematically investigated by varying the temperature and tilt angle of the silicon wafer used in the assembly process. Under optimal conditions, nanotriangles form into regular patterns, maintain their integrity, and form edge-to-edge, point-to-point, and face-to-face connections to form ordered "suprastructures" within an area of hundreds of square microns, achieving a high level of regularity. The formation of the "suprastructures" under optimal conditions could be mainly attributed to the complex balance between multiple temperature-dependent factors, including the atom diffusion rate, solvent evaporation rate, self-assembly rate, and the time for which the nanoparticle stays in the wet medium.

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期刊信息
  • 《催化学报》
  • 北大核心期刊(2011版)
  • 主管单位:中国科学院
  • 主办单位:中国化学会 中国科学院大连化学物理研究所
  • 主编:李灿 张涛
  • 地址:大连市沙河口区中山路457号
  • 邮编:116023
  • 邮箱:chxb@dicp.ac.cn
  • 电话:0411-84379240
  • 国际标准刊号:ISSN:0253-9837
  • 国内统一刊号:ISSN:21-1195/O6
  • 邮发代号:8-93
  • 获奖情况:
  • 第三届国家期刊奖提名奖,中国科协精品科技期刊示范项目
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  • 被引量:19199