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CAS OpenIR  > 中科院上海应用物理研究所2011-2017年  > 期刊论文
题名:
Shape-dependent ordering of gold nanocrystals into large-scale superlattices
作者: Gong, JX; Newman, RS; Engel, M; Zhao, M; Bian, FG; Glotzer, SC; Tang, ZY
刊名: NATURE COMMUNICATIONS
出版日期: 2017
卷号: 8, 页码:-
DOI: 10.1038/ncomms14038
文章类型: 期刊论文
英文摘要: Self-assembly of individual building blocks into highly ordered structures, analogous to spontaneous growth of crystals from atoms, is a promising approach to realize the collective properties of nanocrystals. Yet the ability to reliably produce macroscopic assemblies is unavailable and key factors determining assembly quality/yield are not understood. Here we report the formation of highly ordered superlattice films, with single crystalline domains of up to half a millimetre in two dimensions and thickness of up to several microns from nanocrystals with tens of nanometres in diameter. Combining experimental and computational results for gold nanocrystals in the shapes of spheres, cubes, octahedra and rhombic dodecahedra, we investigate the entire self-assembly process from disordered suspensions to large-scale ordered superlattices induced by nanocrystal sedimentation and eventual solvent evaporation. Our findings reveal that the ultimate coherence length of superlattices strongly depends on nanocrystal shape. Factors inhibiting the formation of high-quality large-scale superlattices are explored in detail.
收录类别: SCI
语种: 英语
WOS记录号: WOS:000392178500001
ISSN号: 2041-1723
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.sinap.ac.cn/handle/331007/27440
Appears in Collections:中科院上海应用物理研究所2011-2017年_期刊论文

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Recommended Citation:
Gong, JX,Newman, RS,Engel, M,et al. Shape-dependent ordering of gold nanocrystals into large-scale superlattices[J]. NATURE COMMUNICATIONS,2017-01-01,8:-.
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