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첨단연성물질 연구단
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Vector assembly of colloids on monolayer substrates

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Title
Vector assembly of colloids on monolayer substrates
Author(s)
Lingxiang Jiang; Shenyu Yang; Boyce Tsang; Mei Tu; Steve Granick
Publication Date
2017-06
Journal
NATURE COMMUNICATIONS, v.8, no., pp.15778 -
Publisher
NATURE PUBLISHING GROUP
Abstract
The key to spontaneous and directed assembly is to encode the desired assembly information to building blocks in a programmable and efficient way. In computer graphics, raster graphics encodes images on a single-pixel level, conferring fine details at the expense of large file sizes, whereas vector graphics encrypts shape information into vectors that allow small file sizes and operational transformations. Here, we adapt this raster/vector concept to a 2D colloidal system and realize 'vector assembly' by manipulating particles on a colloidal monolayer substrate with optical tweezers. In contrast to raster assembly that assigns optical tweezers to each particle, vector assembly requires a minimal number of optical tweezers that allow operations like chain elongation and shortening. This vector approach enables simple uniform particles to form a vast collection of colloidal arenes and colloidenes, the spontaneous dissociation of which is achieved with precision and stage-by-stage complexity by simply removing the optical tweezers. © The Author(s) 2017
URI
http://pr.ibs.re.kr/handle/8788114/3678
DOI
10.1038/ncomms15778
ISSN
2041-1723
Appears in Collections:
Center for Soft and Living Matter(첨단연성물질 연구단) > Journal Papers (저널논문)
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