Simple Cubic Packing of Gold Nanoparticles through Rational Design of Their Dendrimeric Corona

被引：85

作者：

Kanie, Kiyoshi ^{[1
]}

Matsubara, Masaki ^{[1
]}

Zeng, Xiangbing ^{[2
]}

Liu, Feng ^{[2
]}

Ungar, Goran ^{[2
,3
]}

Nakamura, Hiroshi ^{[4
]}

Muramatsu, Atsushi ^{[1
]}

机构：

[1] Tohoku Univ, Inst Multidisciplinary Res Adv Mat, Aoba Ku, Sendai, Miyagi 9808577, Japan

[2] Univ Sheffield, Dept Mat Sci & Engn, Sheffield S1 3JD, S Yorkshire, England

[3] Seoul Natl Univ, Sch Chem & Biol Engn, Seoul 151744, South Korea

[4] Toyota Cent Res & Dev Labs Inc, Nagakute, Aichi 4801192, Japan

来源：

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY | 2012年 / 134卷 / 02期

关键词：

HYBRID LIQUID-CRYSTALS; PHOTONIC CRYSTALS; SUPERLATTICES; CRYSTALLIZATION; HYBRIDIZATION; LITHOGRAPHY; FABRICATION; PHASE;

D O I：

10.1021/ja2095816

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The first simple-cubic liquid crystal was obtained by coating monodisperse Au nanoparticles (NPs) with a thick corona of amino-substituted organic dendrons. This unusual structure was determined by grazing-incidence diffraction and electron density reconstruction and explained by analyzing the radial density profile of the corona. Another novel structure is proposed for the phase preceding the cubic one: a hexagonal superlattice composed of alternating dense and sparse strings of Au NPs.

引用

页码：808 / 811

页数：4

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