Reversible Optical Data Storage via Two-Photon Micropatterning of o‑Carboranes-Embedded Switchable Materials

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dc.contributor.authorAbdallah, Stephania
dc.contributor.authorMhanna, Rana
dc.contributor.authorCabrera González, Justo Enrique
dc.contributor.authorNúñez, Rosario
dc.contributor.authorKhitous, Amine
dc.contributor.authorMorlet-Savary, Fabrice
dc.contributor.authorSoppera, Olivier
dc.contributor.authorVersace, Davy-Louis
dc.contributor.authorMalval, Jean-Pierre
dc.date.accessioned2024-02-02T12:43:28Z
dc.date.available2024-02-02T12:43:28Z
dc.date.issued2023-08-14
dc.description.abstractTwo-photon polymerization (2PP) constitutes a powerful light-triggered 3D stereolithography, allowing the fabrication of micro- or nanostructures with spatially encoded functionalities. In the present report, we take advantage of this programmable property in order to develop a photoresist authorizing the direct 2PP-lithography of luminescent switchable μ-structures. In this single step processing method, we highlight the pivotal role of a quadrupolar o-caborane initiator comprising a 9, 10-disubstituted anthracene core capable of chemically entrap oxygen-inhibiting species during the free radical two-photon initiation step. Such an O2 sequestration approach not only enhances the two-photon initiation performance of the polymerization, but also generates a non-luminescent endoperoxide by-product embedded in the polymerized macrostructure. Interestingly, simple heating of the final materials promotes endoperoxide thermolysis, resulting in the recovery of the luminescent o-carborane dye. This original luminescence turn OFF/ON property exhibits excellent fatigue resistance through a large number of alternated thermal and light stimuli cycles. The potential of this direct laser writing strategy for reversible data storage applications is finally demonstrated by the two-photon patterning of a series of matricially organized μ-structures used as rewritable binary optical memories which can be easily encoded on demand.
dc.description.departmentDepto. de Química en Ciencias Farmacéuticas
dc.description.facultyFac. de Farmacia
dc.description.refereedTRUE
dc.description.sponsorshipMinisterio de Ciencia, Innovación y Universidades(España)
dc.description.sponsorshipSevero Ochoa Program for Centers of Excellence
dc.description.sponsorshipGeneralitat de Catalunya
dc.description.statuspub
dc.identifier.doi10.1021/acs.chemmater.3c01249
dc.identifier.officialurlhttps://doi.org/10.1021/acs.chemmater.3c01249
dc.identifier.urihttps://hdl.handle.net/20.500.14352/98273
dc.journal.titleChemistry of Materials
dc.language.isoeng
dc.page.final6989
dc.page.initial6979
dc.publisherAmerican Chemical Society
dc.relation.projectIDinfo:eu-repo/grantAgreement//MICINN/PID2019-106832RB-I00
dc.relation.projectIDinfo:eu-repo/grantAgreement/CEX2019-000917-S
dc.relation.projectIDinfo:eu-repo/grantAgreement/2021-SGR00442
dc.rights.accessRightsrestricted access
dc.subject.ucmQuímica
dc.subject.unesco23 Química
dc.titleReversible Optical Data Storage via Two-Photon Micropatterning of o‑Carboranes-Embedded Switchable Materials
dc.typejournal article
dc.type.hasVersionVoR
dc.volume.number35
dspace.entity.typePublication
relation.isAuthorOfPublication5fdca92d-6eb3-4245-bdfe-1bf73af9881b
relation.isAuthorOfPublication.latestForDiscovery5fdca92d-6eb3-4245-bdfe-1bf73af9881b
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