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Forming three-dimensional micro-objects using two-dimensional gradient printing

hal.structure.identifierDepartment of Electrical and Computer Engineering
dc.contributor.authorMAO, Aofei
hal.structure.identifierDepartment of Electrical and Computer Engineering
dc.contributor.authorFAN, Peixun
hal.structure.identifierDepartment of Electrical and Computer Engineering
dc.contributor.authorCONSTANTIN, Loic
hal.structure.identifierDepartment of Electrical and Computer Engineering
dc.contributor.authorLI, Nan
hal.structure.identifierDepartment of Electrical and Computer Engineering
dc.contributor.authorHUANG, Xi
hal.structure.identifierDepartment of Mechanical and Materials Engineering
dc.contributor.authorCUI, Bai
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorSILVAIN, Jean-François
hal.structure.identifierDepartment of mechanical and industrial engineering University of Iowa
dc.contributor.authorWANG, Xinwei
hal.structure.identifierDepartment of Electrical and Computer Engineering
dc.contributor.authorLU, Yong Feng
dc.date.issued2022-08
dc.identifier.issn2352-9407
dc.description.abstractEnControllable transformations from two-dimensional (2D) patterns to three-dimensional (3D) geometries independent of materials or external stimuli are being pursued in numerous fields. Here, we present an approach to forming various 3D structures through 2D printing using distributed stress inside a polymer. The key is to establish controlled stress fields by introducing composition and property gradients inside a photocurable polymer by femtosecond laser two-photon polymerization. Structural deformation induced by internal stress is a general bottleneck both in materials processing and 3D printing. In contrast to the significant efforts previously made to reduce stress and deformation, we use them to enable shape transformation to construct various 3D micro-objects through 2D printing with engineered stress fields inside. Multi-mode 2D-to-3D structural transformations, including bending, rolling, coiling, waving, spiraling, and out-of-plane distortions are realized in a shape- and location-specific fashion. This strategy promises a unique way to fabricate delicate 3D objects not feasible through conventional techniques and to circumvent the intrinsic stepping limitations in direct 3D printing using two-photon polymerization. When combined with the standard 2D patterning techniques such as nanoimprint and photolithography, such a 2D-to-3D transformation approach will lay a foundation for high-throughput and cost-effective production of complex 3D nanostructures.
dc.language.isoen
dc.publisherElsevier
dc.subject.enControllable 2D-3D transformation Self-shaping
dc.subject.enTwo-photon polymerization
dc.subject.enFemtosecond laser micro/nano manufacturing
dc.subject.enAnisotropic shrinkage
dc.subject.enStress control
dc.title.enForming three-dimensional micro-objects using two-dimensional gradient printing
dc.typeArticle de revue
dc.identifier.doi10.1016/j.apmt.2022.101538
dc.subject.halChimie/Polymères
dc.subject.halSciences de l'ingénieur [physics]/Micro et nanotechnologies/Microélectronique
bordeaux.journalApplied Materials Today
bordeaux.page101538
bordeaux.volume28
bordeaux.peerReviewedoui
hal.identifierhal-03693134
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-03693134v1
bordeaux.COinSctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=Applied%20Materials%20Today&rft.date=2022-08&rft.volume=28&rft.spage=101538&rft.epage=101538&rft.eissn=2352-9407&rft.issn=2352-9407&rft.au=MAO,%20Aofei&FAN,%20Peixun&CONSTANTIN,%20Loic&LI,%20Nan&HUANG,%20Xi&rft.genre=article


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