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Yoon, Tae-Sik
Nano Semiconductor Research Lab.
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dc.citation.endPage 24281 -
dc.citation.number 23 -
dc.citation.startPage 24268 -
dc.citation.title ACS NANO -
dc.citation.volume 17 - Baek, Seongheon - Jeong, Sanggyun - Ban, Hyeong Woo - Ryu, Jiyeon - Kim, Yoonkyum - Gu, Da Hwi - Son, Changil - Yoon, Tae-Sik - Lee, Jiseok - Son, Jae Sung - 2023-12-31T18:05:09Z - 2023-12-31T18:05:09Z - 2023-12-29 - 2023-12 -
dc.description.abstract Direct optical printing of functional inorganics shows tremendous potential as it enables the creation of intricate two-dimensional (2D) patterns and affordable design and production of various devices. Although there have been recent advancements in printing processes using short-wavelength light or pulsed lasers, the precise control of the vertical thickness in printed 3D structures has received little attention. This control is vital to the diverse functionalities of inorganic thin films and their devices, as they rely heavily on their thicknesses. This lack of research is attributed to the technical intricacy and complexity involved in the lithographic processes. Herein, we present a generalized optical 3D printing process for inorganic nanoparticles using maskless digital light processing. We develop a range of photocurable inorganic nanoparticle inks encompassing metals, semiconductors, and oxides, combined with photolinkable ligands and photoacid generators, enabling the direct solidification of nanoparticles in the ink medium. Our process creates complex and large-area patterns with a vertical resolution of ∼50 nm, producing 50-nm-thick 2D films and several micrometer-thick 3D architectures with no layer height difference via layer-by-layer deposition. Through fabrication and operation of multilayered switching devices with Au electrodes and Ag-organic resistive layers, the feasibility of our process for cost-effective manufacturing of multilayered devices is demonstrated. © 2023 American Chemical Society -
dc.identifier.bibliographicCitation ACS NANO, v.17, no.23, pp.24268 - 24281 -
dc.identifier.doi 10.1021/acsnano.3c09787 -
dc.identifier.issn 1936-0851 -
dc.identifier.scopusid 2-s2.0-85180003591 -
dc.identifier.uri -
dc.identifier.wosid 001124980000001 -
dc.language 영어 -
dc.publisher American Chemical Society -
dc.title Nanoscale Vertical Resolution in Optical Printing of Inorganic Nanoparticles -
dc.type Article -
dc.description.isOpenAccess FALSE -
dc.relation.journalWebOfScienceCategory Chemistry, Multidisciplinary;Chemistry, Physical;Nanoscience & Nanotechnology;Materials Science, Multidisciplinary -
dc.relation.journalResearchArea Chemistry;Science & Technology - Other Topics;Materials Science -
dc.type.docType Article -
dc.description.journalRegisteredClass scie -
dc.description.journalRegisteredClass scopus -
dc.subject.keywordAuthor colloidal nanoparticles -
dc.subject.keywordAuthor digital light processing -
dc.subject.keywordAuthor optical patterning -
dc.subject.keywordAuthor surface engineering -
dc.subject.keywordAuthor switching device -
dc.subject.keywordPlus COLLOIDAL NANOCRYSTALS -
dc.subject.keywordPlus LITHOGRAPHY -
dc.subject.keywordPlus TRANSISTOR -
dc.subject.keywordPlus MECHANISM -
dc.subject.keywordPlus MEMORY -
dc.subject.keywordPlus UV -


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