Links for fulltext
(May Require Subscription)
- Publisher Website: 10.1016/j.apmt.2020.100621
- Scopus: eid_2-s2.0-85086071982
- WOS: WOS:000598346500002
- Find via
Supplementary
- Citations:
- Appears in Collections:
Article: Self-actuating origamis realized by independently printable and controllable stimuli-responsive creases
Title | Self-actuating origamis realized by independently printable and controllable stimuli-responsive creases |
---|---|
Authors | |
Keywords | Micro-origami robotics Open electrodeposition Micro-riveting Transition-metal oxides/hydroxides Independently controlled micro-hinges |
Issue Date | 2020 |
Publisher | Elsevier BV. The Journal's web site is located at http://www.journals.elsevier.com/applied-materials-today |
Citation | Applied Materials Today, 2020, v. 20, article no. 100621 How to Cite? |
Abstract | Flexible origami structures can mimic the complicated motions of small creatures that are otherwise difficult to be achieved by rigid robots with limited degree of motion freedom. However, actuating origami structures in a compact and self-contained way has been a critical challenge. Here, we demonstrate a versatile approach of actuating origami micro-robots by printed self-folding creases made of a type of stimuli-responsive transition metal hydroxides/oxides that can undergo large actuation under electrochemical or light stimulations. Two enabling technologies are pivotal: (i) a microfluidic electrochemical writing method to selectively print the stimuli-responsive material (SRM) at the actuating creases to enable them to self-fold independently “on demand”, and (ii) a micro-scale riveting method to provide strong adhesion of the SRM on the origami body. Such strategies allow the successful construction of actuating creases made from different stimuli-responsive transition metal hydroxides/oxides that can self-fold into curvature exceeding 1 mm−1 under low-intensity visible-light stimulation in ambient conditions, or low-potential electrochemical stimulation in electrolytic environments, with response time as fast as in seconds. Based on the high performance of such active creases, complex miniaturized origami designs powered by hinges activated in an independently controllable way are demonstrated, including self-folding Miura and a full micro-robotic hand with independently programmable finger joints. These results prove a new, versatile paradigm for robotics, where a transferrable approach is applicable to design and fabricate a wide variety of customizable micro-robots with compact construction and complex motions using different stimuli-responsive ceramic-based materials. |
Persistent Identifier | http://hdl.handle.net/10722/284074 |
ISSN | 2023 Impact Factor: 7.2 2023 SCImago Journal Rankings: 1.623 |
ISI Accession Number ID |
DC Field | Value | Language |
---|---|---|
dc.contributor.author | Wu, R | - |
dc.contributor.author | Kwan, KW | - |
dc.contributor.author | MA, W | - |
dc.contributor.author | Wang, P | - |
dc.contributor.author | Ngan, AHW | - |
dc.date.accessioned | 2020-07-20T05:55:53Z | - |
dc.date.available | 2020-07-20T05:55:53Z | - |
dc.date.issued | 2020 | - |
dc.identifier.citation | Applied Materials Today, 2020, v. 20, article no. 100621 | - |
dc.identifier.issn | 2352-9407 | - |
dc.identifier.uri | http://hdl.handle.net/10722/284074 | - |
dc.description.abstract | Flexible origami structures can mimic the complicated motions of small creatures that are otherwise difficult to be achieved by rigid robots with limited degree of motion freedom. However, actuating origami structures in a compact and self-contained way has been a critical challenge. Here, we demonstrate a versatile approach of actuating origami micro-robots by printed self-folding creases made of a type of stimuli-responsive transition metal hydroxides/oxides that can undergo large actuation under electrochemical or light stimulations. Two enabling technologies are pivotal: (i) a microfluidic electrochemical writing method to selectively print the stimuli-responsive material (SRM) at the actuating creases to enable them to self-fold independently “on demand”, and (ii) a micro-scale riveting method to provide strong adhesion of the SRM on the origami body. Such strategies allow the successful construction of actuating creases made from different stimuli-responsive transition metal hydroxides/oxides that can self-fold into curvature exceeding 1 mm−1 under low-intensity visible-light stimulation in ambient conditions, or low-potential electrochemical stimulation in electrolytic environments, with response time as fast as in seconds. Based on the high performance of such active creases, complex miniaturized origami designs powered by hinges activated in an independently controllable way are demonstrated, including self-folding Miura and a full micro-robotic hand with independently programmable finger joints. These results prove a new, versatile paradigm for robotics, where a transferrable approach is applicable to design and fabricate a wide variety of customizable micro-robots with compact construction and complex motions using different stimuli-responsive ceramic-based materials. | - |
dc.language | eng | - |
dc.publisher | Elsevier BV. The Journal's web site is located at http://www.journals.elsevier.com/applied-materials-today | - |
dc.relation.ispartof | Applied Materials Today | - |
dc.rights | This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License. | - |
dc.subject | Micro-origami robotics | - |
dc.subject | Open electrodeposition | - |
dc.subject | Micro-riveting | - |
dc.subject | Transition-metal oxides/hydroxides | - |
dc.subject | Independently controlled micro-hinges | - |
dc.title | Self-actuating origamis realized by independently printable and controllable stimuli-responsive creases | - |
dc.type | Article | - |
dc.identifier.email | Kwan, KW: kwan15@hku.hk | - |
dc.identifier.email | Ngan, AHW: hwngan@hku.hk | - |
dc.identifier.authority | Ngan, AHW=rp00225 | - |
dc.description.nature | postprint | - |
dc.identifier.doi | 10.1016/j.apmt.2020.100621 | - |
dc.identifier.scopus | eid_2-s2.0-85086071982 | - |
dc.identifier.hkuros | 311243 | - |
dc.identifier.volume | 20 | - |
dc.identifier.spage | article no. 100621 | - |
dc.identifier.epage | article no. 100621 | - |
dc.identifier.isi | WOS:000598346500002 | - |
dc.publisher.place | Netherlands | - |
dc.identifier.issnl | 2352-9407 | - |