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DOI10.1038/s41467-019-09521-2
Shape-dependent ordering of gold nanocrystals into large-scale superlattices
Gong, Jianxiao1; Newman, Richmond S.2,3; Engel, Michael2,3,6; Zhao, Man1; Bian, Fenggang4; Glotzer, Sharon C.2,3,5; Tang, Zhiyong1
2019-04-23
发表期刊NATURE COMMUNICATIONS
ISSN2041-1723
出版年2017
卷号8
文章类型Article
语种英语
国家Peoples R China; USA; Germany
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.


领域资源环境
收录类别SCI-E
WOS记录号WOS:000392178500001
WOS关键词NANOPARTICLE SUPERLATTICES ; METAL NANOCRYSTALS ; SELECTIVE SYNTHESIS ; COMPLEX STRUCTURES ; BUILDING-BLOCKS ; ENTROPIC FORCES ; PARTICLES ; NANOCUBES ; CRYSTALS ; NANORODS
WOS类目Multidisciplinary Sciences
WOS研究方向Science & Technology - Other Topics
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文献类型期刊论文
条目标识符http://119.78.100.173/C666/handle/2XK7JSWQ/204332
专题资源环境科学
作者单位1.Chinese Acad Sci, Key Lab Nanosyst & Hierarch Fabricat, CAS Ctr Excellence Nanosci, Natl Ctr Nanosci & Technol, Beijing 100190, Peoples R China;
2.Univ Michigan, Dept Chem Engn, Ann Arbor, MI 48109 USA;
3.Univ Michigan, Biointerfaces Inst, Ann Arbor, MI 48109 USA;
4.Shanghai Inst Appl Phys, Shanghai Synchrotron Radiat Facil, 239 Zhangheng Rd, Shanghai 201204, Peoples R China;
5.Univ Michigan, Dept Mat Sci & Engn, Ann Arbor, MI 48109 USA;
6.Friedrich Alexander Univ Erlangen Nuurnberg, Multiscale Inst Simulat, D-91058 Erlangen, Germany
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GB/T 7714
Gong, Jianxiao,Newman, Richmond S.,Engel, Michael,et al. Shape-dependent ordering of gold nanocrystals into large-scale superlattices[J]. NATURE COMMUNICATIONS,2019,8.
APA Gong, Jianxiao.,Newman, Richmond S..,Engel, Michael.,Zhao, Man.,Bian, Fenggang.,...&Tang, Zhiyong.(2019).Shape-dependent ordering of gold nanocrystals into large-scale superlattices.NATURE COMMUNICATIONS,8.
MLA Gong, Jianxiao,et al."Shape-dependent ordering of gold nanocrystals into large-scale superlattices".NATURE COMMUNICATIONS 8(2019).
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