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学科主题物理化学
Templated growth of platinum nanowheels using the inhomogeneous reaction environment of bicelles
Garcia, Robert M.1,2; Song, Yujiang1,3; Dorin, Rachel M.1,2; Wang, Haorong1,2; Moreno, Andres M.1,2; Jiang, Ying-Bing1,2; Tian, Yongming1,2; Qiu, Yan1,2; Medforth, Craig J.1,2; Coker, Eric N.1; van Swol, Frank1,2; Miller, James E.1; Shelnutt, John A.1,4; Song YJ(宋玉江); JohnA.Shelnutt
刊名PHYSICAL CHEMISTRY CHEMICAL PHYSICS
2011
ISSN待补充
DOI10.1039/c0cp01930e
13期:11页:4846-4852
收录类别SCI
文章类型Article
部门归属3
项目归属3T3
产权排名3,2
WOS标题词Science & Technology ; Physical Sciences
类目[WOS]Chemistry, Physical ; Physics, Atomic, Molecular & Chemical
研究领域[WOS]Chemistry ; Physics
关键词[WOS]MODEL MEMBRANES ; MAGNETIC ALIGNMENT ; PROTEINS ; EMISSIONS ; NANOSTRUCTURES ; SHEETS ; CELLS
英文摘要Templated growth of platinum nanowheels using the inhomogeneous reaction environment of bicelles; Novel platinum nanowheels were synthesized by the reduction of aqueous platinum complex with ascorbic acid in the presence of disk-like bicelles. The platinum nanowheels possess thickened centers and flared edges that are connected by dendritic platinum nanosheets. This structural complexity can be attributed to the inhomogeneous micro-environment of the templating bicelles consisting of a central bi-layer region and a high curvature rim. The formation mechanism of the nanowheels was investigated by imaging nanostructures at different stages of the reaction. The templating bicelles were also imaged by TEM with the aid of negative staining. The variation of reaction parameters including platinum concentration, temperature, and total concentration of surfactants (CTAB + FC7) led to other types of platinum nanostructures, such as circular dendritic nanosheets with a tunable diameter and rectangular dendritic nanosheets. Interestingly, under irradiation by a TEM electron beam, the dendritic nanosheet portion of the nanowheels transforms into a metastable holey sheet. In addition, the platinum nanowheels have an electrochemical active surface area comparable to that of ETEK platinum black and thus are expected to have potential applications in catalysis.
语种英语
WOS记录号WOS:000287930100009
引用统计
被引频次:17[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/115738
专题中国科学院大连化学物理研究所
通讯作者Song YJ(宋玉江); JohnA.Shelnutt
作者单位1.Sandia Natl Labs, Adv Mat Lab, Albuquerque, NM 87106 USA
2.Univ New Mexico, Dept Chem & Nucl Engn, Albuquerque, NM 87131 USA
3.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian 116023, Peoples R China
4.Univ Georgia, Dept Chem, Athens, GA 30602 USA
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Garcia, Robert M.,Song, Yujiang,Dorin, Rachel M.,et al. Templated growth of platinum nanowheels using the inhomogeneous reaction environment of bicelles[J]. PHYSICAL CHEMISTRY CHEMICAL PHYSICS,2011,13(11):4846-4852.
APA Garcia, Robert M..,Song, Yujiang.,Dorin, Rachel M..,Wang, Haorong.,Moreno, Andres M..,...&JohnA.Shelnutt.(2011).Templated growth of platinum nanowheels using the inhomogeneous reaction environment of bicelles.PHYSICAL CHEMISTRY CHEMICAL PHYSICS,13(11),4846-4852.
MLA Garcia, Robert M.,et al."Templated growth of platinum nanowheels using the inhomogeneous reaction environment of bicelles".PHYSICAL CHEMISTRY CHEMICAL PHYSICS 13.11(2011):4846-4852.
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