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첨단연성물질 연구단
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Metal–Organic Framework “Swimmers” with Energy-Efficient Autonomous Motility

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Title
Metal–Organic Framework “Swimmers” with Energy-Efficient Autonomous Motility
Author(s)
Jun Hyuk Park; Slawomir Lach; Konstantin Polev; Steve Granick; Bartosz A. Grzybowski
Publication Date
2017-11
Journal
ACS Nano, v.11, no.11, pp.10914 - 10923
Publisher
AMER CHEMICAL SOC
Abstract
Placed at a water/air interface, particles of porphyrin-based MOFs (metal–organic frameworks) cut from large-area films display efficient, multiple-use autonomous motility powered by release of solvents incorporated in the MOF matrix and directionality dictated by their shapes. The particles can be refueled multiple times and can achieve speeds of ca. 200 mm·s–1 with high kinetic energy per unit of chemical “fuel” expended (>50 μJ·g–1). Efficiency of motion depends on the nature of the fuel used as well as the microstructure and surface wettability of the MOF surface. When multiple movers are present at the interface, they organize into “open” structures that exhibit collective, time-periodic motions. © 2017 American Chemical Society
URI
https://pr.ibs.re.kr/handle/8788114/4226
ISSN
1936-0851
Appears in Collections:
Center for Soft and Living Matter(첨단연성물질 연구단) > Journal Papers (저널논문)
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