Simultaneous Growths of Gold Colloidal Crystals

被引：77

作者：

Goubet, Nicolas ^{[1
,2
]}

Portales, Herve ^{[1
,2
]}

Yan, Cong ^{[1
,2
]}

Arfaoui, Imad ^{[1
,2
]}

Albouy, Pierre-Antoine ^{[3
]}

Mermet, Alain ^{[4
]}

Pileni, Marie-Paule ^{[1
,2
]}

机构：

[1] Univ Paris 06, F-75005 Paris, France

[2] Ctr Natl Rech Sci, UMR 7070, LM2N, F-75005 Paris, France

[3] Univ Paris 11, Phys Solides Lab, UMR 8502, F-91405 Orsay, France

[4] Univ Lyon 1, Lab Physicochim Mat Luminescents, UMR 5620, Ctr Natl Rech Sci, F-69622 Villeurbanne, France

来源：

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY | 2012年 / 134卷 / 08期

关键词：

NANOCRYSTAL SUPERLATTICES; NANOPARTICLES; SIZE; ARRAYS; CRYSTALLIZATION; INTERFACE; MEMBRANES;

D O I：

10.1021/ja207941p

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Natural systems give the route to design periodic arrangements with mesoscopic architecture using individual nanocrystals as building blocks forming colloidal crystals or supracrystals. The collective properties of such supracrystals are one of the main driving forces in materials research for the 21st century with potential applications in electronics or biomedical environments. Here we describe two simultaneous supracrystal growth processes from gold nanocrystal suspension, taking place in solution and at the air-liquid interface. Furthermore, the growth processes involve the crystallinity selection of nanocrystals and induce marked changes in the supracrystal mechanical properties.

引用

页码：3714 / 3719

页数：6

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