A highly sensitive friction-imaging device based on cascading stimuli responsiveness

Shioda, Nano; Kobayashi, Ryotaro; Katsura, Seiichiro; Imai, Hiroaki; Fujii, Syuji; Oaki, Yuya

doi:10.1039/d3mh00188a

Cited by 6 publications

(2 citation statements)

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“…For example, the similar device was applied to study the writing motions. [76] The data are useful information to train successors and copy the motions by robots. Moreover, the spatiotemporal stress distribution originating from the motions of machines and robots can be visualized and imaged using the device.…”

Section: Discussionmentioning

confidence: 99%

“…In our previous works, responsiveness to compression and weak frictional stress was achieved by combining mechanoresponsive capsule integrated in the device. [74][75][76] Dry liquid (DL), liquid droplet encapsulated by solid particles, [77] is used to induce the cascading responses. DL containing polyethyleneimine (PEI) aqueous solution is set on the sponge containing PDA.…”

Section: Introductionmentioning

confidence: 99%

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High‐Sensitive Spatiotemporal Distribution Imaging of Compression Stresses Based on Time‐Evolutional Responsiveness

Ono,

Seishima,

Shigeta

et al. 2024

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Mechanoresponsive materials have been studied to visualize and measure stresses in various fields. However, the high‐sensitive and spatiotemporal imaging remain a challenging issue. In particular, the time evolutional responsiveness is not easily integrated in mechanoresponsive materials. In the present study, high‐sensitive spatiotemporal imaging of weak compression stresses is achieved by time‐evolutional controlled diffusion processes using conjugated polymer, capsule, and sponge. Stimuli‐responsive polydiacetylene (PDA) is coated inside a sponge. A mechanoresponsive capsule is set on the top face of the sponge. When compression stresses in the range of 6.67–533 kPa are applied to the device, the blue color of PDA is changed to red by the diffusion of the interior liquid containing a guest polymer flowed out of the disrupted capsule. The applied strength (F/N), time (t/s), and impulse (F·t/N s) are visualized and quantified by the red‐color intensity. When a guest metal ion is intercalated in the layered structure of PDA to tune the responsivity, the device visualizes the elapsed time (τ/min) after unloading the stresses. PDA, capsule, and sponge play the important roles to achieve the time evolutional responsiveness for the high‐sensitive spatiotemporal distribution imaging through the controlled diffusion processes.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

High‐Sensitive Spatiotemporal Distribution Imaging of Compression Stresses Based on Time‐Evolutional Responsiveness

Ono,

Seishima,

Shigeta

et al. 2024

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Preparation of Bis-Polydiacetylene with Reversible Thermochromism and High Sensitivity toward Pb²⁺ Detection

Xing,

Song,

et al. 2024

ACS Appl. Polym. Mater.

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The fabrication of stimulus-responsive polydiacetylene (PDA) materials with thermochromic reversibility is highly valuable for displays, optoelectronic devices, and sensors. Herein, a type of bis-diacetylene monomer (bis-DA) covalently linked by 1,4-phenylene diisocyanate was synthesized. Owing to the strong hydrogen-bonding interactions, a reversible color transition can be realized for the polymerized bis-diacetylene (bis-PDA) film in the temperature range from 30 to 150 °C. The excellent linear relationship between the colorimetric response values and temperature (from 90 to 150 °C) with an R 2 value of 0.992 demonstrated that the as-prepared bis-PDA sensor can be used for the quantitative analysis of temperature. Meanwhile, the bis-PDA film displayed a reversible thermochromic property upon exposure to 980 nm near-infrared light at a relatively high power density. In addition, hybrid PDA vesicles that consist of DA and bis-DA monomers with a molar ratio of 1:1 can be utilized as sensitive, specific, and visual sensors for the detection of Pb 2+ ions, with a satisfactory limit of detection of 0.15 μM. This work not only offers a fundamental understanding of the mechanism of the thermochromic property of PDA but also may broaden the applications of PDA-based sensors.

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Mechanochromic Chameleon Packaging Based on Polydiacetylene

Das,

Uchikura,

Matsuhisa

et al. 2024

ACS Sens.

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A highly sensitive friction-imaging device based on cascading stimuli responsiveness

Abstract: Imaging and measurement of friction force are required in a variety of fields. If the friction forces originating from the motions of professionals are quantitatively analyzed, the data can be...

Cited by 6 publications

References 62 publications

High‐Sensitive Spatiotemporal Distribution Imaging of Compression Stresses Based on Time‐Evolutional Responsiveness

High‐Sensitive Spatiotemporal Distribution Imaging of Compression Stresses Based on Time‐Evolutional Responsiveness

Preparation of Bis-Polydiacetylene with Reversible Thermochromism and High Sensitivity toward Pb²⁺ Detection

Mechanochromic Chameleon Packaging Based on Polydiacetylene

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A highly sensitive friction-imaging device based on cascading stimuli responsiveness

Abstract: Imaging and measurement of friction force are required in a variety of fields. If the friction forces originating from the motions of professionals are quantitatively analyzed, the data can be...

Cited by 6 publications

References 62 publications

High‐Sensitive Spatiotemporal Distribution Imaging of Compression Stresses Based on Time‐Evolutional Responsiveness

High‐Sensitive Spatiotemporal Distribution Imaging of Compression Stresses Based on Time‐Evolutional Responsiveness

Preparation of Bis-Polydiacetylene with Reversible Thermochromism and High Sensitivity toward Pb2+ Detection

Mechanochromic Chameleon Packaging Based on Polydiacetylene

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Product

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Preparation of Bis-Polydiacetylene with Reversible Thermochromism and High Sensitivity toward Pb²⁺ Detection