A programmable and biomimetic photo-actuator: a composite of a photo-liquefiable azobenzene derivative and commercial plastic film
Many interesting deformations in nature inspire us to develop novel mechanical systems. Here, a helical gripper was inspired by the predation motion of pythons. It grasped an object by twisting around it, which is different from conventional claw-shape grippers. To mimic this helical deformation, a...
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Veröffentlicht in: | Journal of materials chemistry. C, Materials for optical and electronic devices Materials for optical and electronic devices, 2018, Vol.6 (4), p.1815-1821 |
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creator | Hu, Jing Li, Xiao Ni, Yue Ma, Shudeng Yu, Haifeng |
description | Many interesting deformations in nature inspire us to develop novel mechanical systems. Here, a helical gripper was inspired by the predation motion of pythons. It grasped an object by twisting around it, which is different from conventional claw-shape grippers. To mimic this helical deformation, a soft photo-actuator was fabricated by compositing one photo-liquefiable azobenzene derivative and low-density polyethylene (LDPE) film by a specific route. The actuator was programmed to complete a reversible spiralization and despiralization motion. Upon photoirradiation, the azobenzene derivative transformed directly from crystal to isotropic liquid at room temperature, and the microcosmic volume changes were elegantly transferred into the fabricated bilayer films to bring about a large macroscopic deformation. The photoinduced spiral ribbons show controllable handedness and pitch, in correlation with the light intensity and the pre-treatment method. It is the flexibility of the soft actuator and the strength of the helical deformation that make it possible to simulate the helical motion of pythons' predation. The actuator can grasp a variety of objects with different sizes and shapes showing its reliability. The bilayer actuators are easily fabricated, manipulative and recyclable, promising their applications as high-performance photomechanical devices.
A programmable and biomimetic bilayer actuator enabled by a photo-liquefiable azobenzene derivative. |
doi_str_mv | 10.1039/c8tc03693d |
format | Article |
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A programmable and biomimetic bilayer actuator enabled by a photo-liquefiable azobenzene derivative.</description><identifier>ISSN: 2050-7526</identifier><identifier>EISSN: 2050-7534</identifier><identifier>DOI: 10.1039/c8tc03693d</identifier><language>eng</language><publisher>Cambridge: Royal Society of Chemistry</publisher><subject>Actuators ; Biomimetics ; Deformation ; Grippers ; Handedness ; Low density polyethylenes ; Luminous intensity ; Mechanical systems ; Motion pictures ; Pitch (inclination) ; Predation ; Pretreatment ; Twisting</subject><ispartof>Journal of materials chemistry. C, Materials for optical and electronic devices, 2018, Vol.6 (4), p.1815-1821</ispartof><rights>Copyright Royal Society of Chemistry 2018</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c425t-4724be6d321dfdcbc4ad7320ede589f13e7d4f55e626c5c9c698f1a54ae6f7593</citedby><cites>FETCH-LOGICAL-c425t-4724be6d321dfdcbc4ad7320ede589f13e7d4f55e626c5c9c698f1a54ae6f7593</cites><orcidid>0000-0003-0398-5055</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,4024,27923,27924,27925</link.rule.ids></links><search><creatorcontrib>Hu, Jing</creatorcontrib><creatorcontrib>Li, Xiao</creatorcontrib><creatorcontrib>Ni, Yue</creatorcontrib><creatorcontrib>Ma, Shudeng</creatorcontrib><creatorcontrib>Yu, Haifeng</creatorcontrib><title>A programmable and biomimetic photo-actuator: a composite of a photo-liquefiable azobenzene derivative and commercial plastic film</title><title>Journal of materials chemistry. C, Materials for optical and electronic devices</title><description>Many interesting deformations in nature inspire us to develop novel mechanical systems. Here, a helical gripper was inspired by the predation motion of pythons. It grasped an object by twisting around it, which is different from conventional claw-shape grippers. To mimic this helical deformation, a soft photo-actuator was fabricated by compositing one photo-liquefiable azobenzene derivative and low-density polyethylene (LDPE) film by a specific route. The actuator was programmed to complete a reversible spiralization and despiralization motion. Upon photoirradiation, the azobenzene derivative transformed directly from crystal to isotropic liquid at room temperature, and the microcosmic volume changes were elegantly transferred into the fabricated bilayer films to bring about a large macroscopic deformation. The photoinduced spiral ribbons show controllable handedness and pitch, in correlation with the light intensity and the pre-treatment method. It is the flexibility of the soft actuator and the strength of the helical deformation that make it possible to simulate the helical motion of pythons' predation. The actuator can grasp a variety of objects with different sizes and shapes showing its reliability. The bilayer actuators are easily fabricated, manipulative and recyclable, promising their applications as high-performance photomechanical devices.
A programmable and biomimetic bilayer actuator enabled by a photo-liquefiable azobenzene derivative.</description><subject>Actuators</subject><subject>Biomimetics</subject><subject>Deformation</subject><subject>Grippers</subject><subject>Handedness</subject><subject>Low density polyethylenes</subject><subject>Luminous intensity</subject><subject>Mechanical systems</subject><subject>Motion pictures</subject><subject>Pitch (inclination)</subject><subject>Predation</subject><subject>Pretreatment</subject><subject>Twisting</subject><issn>2050-7526</issn><issn>2050-7534</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2018</creationdate><recordtype>article</recordtype><recordid>eNpFkU1LxDAQhoMouOhevAsBb0K1SZq09bbUT1jwsp5Lmkw0S9vUJLvgHv3ldq2sc5kZeOadL4QuSHpDUlbeqiKqlImS6SM0oylPk5yz7PgQU3GK5iGs09EKIgpRztD3Ag_evXvZdbJpActe48a6znYQrcLDh4sukSpuZHT-DkusXDe4YCNgZ8Z0Alr7uQFjJ4Wda6DfQQ9Yg7dbGe120h1LO_DKyhYPrQx7fWPb7hydGNkGmP_5M_T2-LCqnpPl69NLtVgmKqM8JllOswaEZpRoo1WjMqlzRlPQwIvSEAa5zgznIKhQXJVKlIUhkmcShMl5yc7Q1aQ7LjyOG2K9dhvfjy1rSihhgmWCj9T1RCnvQvBg6sHbTvqvmqT1_sx1Vayq3zPfj_DlBPugDtz_G9gPpMd8Tg</recordid><startdate>2018</startdate><enddate>2018</enddate><creator>Hu, Jing</creator><creator>Li, Xiao</creator><creator>Ni, Yue</creator><creator>Ma, Shudeng</creator><creator>Yu, Haifeng</creator><general>Royal Society of Chemistry</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SP</scope><scope>7U5</scope><scope>8FD</scope><scope>L7M</scope><orcidid>https://orcid.org/0000-0003-0398-5055</orcidid></search><sort><creationdate>2018</creationdate><title>A programmable and biomimetic photo-actuator: a composite of a photo-liquefiable azobenzene derivative and commercial plastic film</title><author>Hu, Jing ; Li, Xiao ; Ni, Yue ; Ma, Shudeng ; Yu, Haifeng</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c425t-4724be6d321dfdcbc4ad7320ede589f13e7d4f55e626c5c9c698f1a54ae6f7593</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2018</creationdate><topic>Actuators</topic><topic>Biomimetics</topic><topic>Deformation</topic><topic>Grippers</topic><topic>Handedness</topic><topic>Low density polyethylenes</topic><topic>Luminous intensity</topic><topic>Mechanical systems</topic><topic>Motion pictures</topic><topic>Pitch (inclination)</topic><topic>Predation</topic><topic>Pretreatment</topic><topic>Twisting</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Hu, Jing</creatorcontrib><creatorcontrib>Li, Xiao</creatorcontrib><creatorcontrib>Ni, Yue</creatorcontrib><creatorcontrib>Ma, Shudeng</creatorcontrib><creatorcontrib>Yu, Haifeng</creatorcontrib><collection>CrossRef</collection><collection>Electronics & Communications Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>Technology Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Journal of materials chemistry. C, Materials for optical and electronic devices</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Hu, Jing</au><au>Li, Xiao</au><au>Ni, Yue</au><au>Ma, Shudeng</au><au>Yu, Haifeng</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>A programmable and biomimetic photo-actuator: a composite of a photo-liquefiable azobenzene derivative and commercial plastic film</atitle><jtitle>Journal of materials chemistry. C, Materials for optical and electronic devices</jtitle><date>2018</date><risdate>2018</risdate><volume>6</volume><issue>4</issue><spage>1815</spage><epage>1821</epage><pages>1815-1821</pages><issn>2050-7526</issn><eissn>2050-7534</eissn><abstract>Many interesting deformations in nature inspire us to develop novel mechanical systems. Here, a helical gripper was inspired by the predation motion of pythons. It grasped an object by twisting around it, which is different from conventional claw-shape grippers. To mimic this helical deformation, a soft photo-actuator was fabricated by compositing one photo-liquefiable azobenzene derivative and low-density polyethylene (LDPE) film by a specific route. The actuator was programmed to complete a reversible spiralization and despiralization motion. Upon photoirradiation, the azobenzene derivative transformed directly from crystal to isotropic liquid at room temperature, and the microcosmic volume changes were elegantly transferred into the fabricated bilayer films to bring about a large macroscopic deformation. The photoinduced spiral ribbons show controllable handedness and pitch, in correlation with the light intensity and the pre-treatment method. It is the flexibility of the soft actuator and the strength of the helical deformation that make it possible to simulate the helical motion of pythons' predation. The actuator can grasp a variety of objects with different sizes and shapes showing its reliability. The bilayer actuators are easily fabricated, manipulative and recyclable, promising their applications as high-performance photomechanical devices.
A programmable and biomimetic bilayer actuator enabled by a photo-liquefiable azobenzene derivative.</abstract><cop>Cambridge</cop><pub>Royal Society of Chemistry</pub><doi>10.1039/c8tc03693d</doi><tpages>7</tpages><orcidid>https://orcid.org/0000-0003-0398-5055</orcidid></addata></record> |
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source | Royal Society Of Chemistry Journals |
subjects | Actuators Biomimetics Deformation Grippers Handedness Low density polyethylenes Luminous intensity Mechanical systems Motion pictures Pitch (inclination) Predation Pretreatment Twisting |
title | A programmable and biomimetic photo-actuator: a composite of a photo-liquefiable azobenzene derivative and commercial plastic film |
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