Programmable and Reversible Self-assembly of 3D Architectures Actuated by Flexible Metal–Organic Frameworks

Dan-hong, Yang; Jia, Qi; Wang, Chaohui; Zheng, Tengfei

doi:10.1016/j.snb.2021.130388

Cited by 8 publications

(3 citation statements)

References 33 publications

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“…The versatility of the concept described above has been further demonstrated by Zheng et al , who prepared an asymmetric, flexible-MOF composite film, similar to MIL-88A@PVDF, but instead based on the MOF MIL-88C ([Fe 3 OH(X) 2 (2,6-naphthalene dicarboxylate) 3 ] n ; X = Cl, OH). 40 MIL-88C MOF is isoreticular to MIL-88A, exhibiting larger, more-hydrophobic pores, due to the naphthalene-based linker. Thus, the resulting responsive asymmetric MIL-88C@P(VDF-CTFE) (PCTFE = polychlorotrifluoroethylene) film not only functioned as an actuator, but also exhibited the same guest-response selectivity as bare MIL-88C crystals do.…”

Section: Flexible Mof Composites As Actuatorsmentioning

confidence: 99%

Propagating MOF flexibility at the macroscale: the case of MOF-based mechanical actuators

Troyano

Maspoch

2023

Chem. Commun.

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Section: Flexible Mof Composites As Actuatorsmentioning

confidence: 99%

Propagating MOF flexibility at the macroscale: the case of MOF-based mechanical actuators

Troyano

Maspoch

2023

Chem. Commun.

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“…Kim et al designed microfliers inspired by wind-dispersed seeds [142]. In addition, researchers have designed many bionic actuators and robots that can bend and deform, imitating the folding and deforming behavior of plants such as flytraps, mimosa, cabbage leaves, and tendril [143][144][145][146][147][148][149][150][151][152][153][154][155]. The behavior of soft robots and actuators that imitates the deformation of plants is very similar to the folding and deformable behavior of the wings.…”

Section: New Ideas Inspired By Animals and Plantsmentioning

confidence: 99%

Bio-inspired flapping wing robots with foldable or deformable wings: a review

Zhang¹,

Zhao

2022

Bioinspir. Biomim.

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Traditional flapping-wing robots (FWRs) obtain lift and thrust by relying on the passive deformation of their wings which cannot actively fold or deform. In contrast, flying creatures such as birds, bats, and insects can maneuver agilely through active folding or deforming their wings. Researchers have developed many bio-inspired foldable or deformable wings (FDWs) imitating the wings of flying creatures. The foldable wings refer to the wings like the creatures’ wings that can fold in an orderly manner close to their bodies. Such wings have scattered feathers or distinct creases that can be stacked and folded to reduce the body envelope, which in nature is beneficial for these animals to prevent wing damage and ensure agility in crossing bushes. The deformable wings refer to the active deformation of the wings using active driving mechanisms and the passive deformation under the aerodynamic force, which functionally imitates the excellent hydrodynamic performance of the deformable body and wings of the creatures. However, the shape and external profile changes of deformable wings tend to be much smaller than that of folding wings. FDWs enable the FWRs to improve flight degree of flexibility, maneuverability, and efficiency and reduce flight energy consumption. However, FDWs still need to be studied, and a comprehensive review of the state-of-the-art progress of FDWs in FWR design is lacking. This paper analyzes the wing folding and deformation mechanisms of the creatures and reviews the latest progress of FWRs with FDWs. Furthermore, we summarize the current limitations and propose future directions in FDW design, which could help researchers to develop better FWRs for safe maneuvering in obstacle-dense environments.

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“…[41][42][43][44] Recently, Daniel et al reported a MIL-88A@PVDF actuator that can be driven by polar solvents such as water and methanol. 45,46 Zheng et al reported a MIL-88C@P(VDF-CTFE) actuator that shows reversible shape transformation in polar solvents (toluene, acetone, methylene chloride, and methanol), with the force generated by the deformation process able to lift objects weighing 102 mg. 47 Our team reported a MIL-88A/CB/ PVDF composite film that shows a dual response to methanol vapor, with a bending angle of 7301 being quickly achieved in about 1.66 s and a color change covering three high-saturation structural colors. 48 In addition, there is a good linear relationship between the maximum folding angle and the methanol concentration in the range of 1 vol% to 10 vol%.…”

Section: Introductionmentioning

confidence: 99%

Soft actuators based on the flexible MOF MIL-88B(Fe) with a fast response to various organic solvent vapours

Song,

Zheng,

et al. 2024

J. Mater. Chem. C

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Programmable and Reversible Self-assembly of 3D Architectures Actuated by Flexible Metal–Organic Frameworks

Cited by 8 publications

References 33 publications

Propagating MOF flexibility at the macroscale: the case of MOF-based mechanical actuators

Propagating MOF flexibility at the macroscale: the case of MOF-based mechanical actuators

Bio-inspired flapping wing robots with foldable or deformable wings: a review

Soft actuators based on the flexible MOF MIL-88B(Fe) with a fast response to various organic solvent vapours

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