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dc.contributor.author
Meijs, Zazo Cazimir
dc.contributor.author
Yun, Hee Seong
dc.contributor.author
Fandre, Pascal
dc.contributor.author
Park, Geonhyeong
dc.contributor.author
Yoon, Dong Ki
dc.contributor.author
Isa, Lucio
dc.date.accessioned
2024-02-13T13:02:27Z
dc.date.available
2023-11-03T09:57:56Z
dc.date.available
2023-11-07T07:50:05Z
dc.date.available
2024-02-13T13:02:27Z
dc.date.issued
2023-11-15
dc.identifier.issn
1944-8244
dc.identifier.issn
1944-8252
dc.identifier.other
10.1021/acsami.3c09386
en_US
dc.identifier.uri
http://hdl.handle.net/20.500.11850/639924
dc.identifier.doi
10.3929/ethz-b-000639924
dc.description.abstract
Recent years have shown the need for trustworthy, unclonable, and durable tokens as proof of authenticity for a large variety of products to combat the economic cost of counterfeits. An excellent solution is physical unclonable functions (PUFs), which are intrinsically random objects that cannot be recreated, even if illegitimate manufacturers have access to the same methods. We propose a robust and simple way to make pixelated PUFs through the deposition of a random mixture of fluorescent colloids in a predetermined lattice using capillarity-assisted particle assembly. As the encoding capacity scales exponentially with the number of deposited particles, we can easily achieve encoding capacities above 10700 for sub millimeter scale samples, where the pixelated nature of the PUFs allows for easy and trustworthy readout. Our method allows for the PUFs to be transferred to, and embedded in, a range of transparent materials to protect them from environmental challenges, leading to improved stability and robustness and allowing their implementation for a large number of different applications.
en_US
dc.format
application/pdf
en_US
dc.language.iso
en
en_US
dc.publisher
American Chemical Society
en_US
dc.rights.uri
http://creativecommons.org/licenses/by/4.0/
dc.subject
physical unclonable function
en_US
dc.subject
security
en_US
dc.subject
capillarity-assisted particle assembly
en_US
dc.subject
microparticles
en_US
dc.subject
fluorescence
en_US
dc.subject
colloidal transfer
en_US
dc.title
Pixelated Physical Unclonable Functions through Capillarity-Assisted Particle Assembly
en_US
dc.type
Journal Article
dc.rights.license
Creative Commons Attribution 4.0 International
dc.date.published
2023-11-01
ethz.journal.title
ACS Applied Materials & Interfaces
ethz.journal.volume
15
en_US
ethz.journal.issue
45
en_US
ethz.journal.abbreviated
ACS Appl Mater Interfaces
ethz.pages.start
53053
en_US
ethz.pages.end
53061
en_US
ethz.version.deposit
publishedVersion
en_US
ethz.grant
Liquid-crystalline films with engineered defects
en_US
ethz.identifier.wos
ethz.publication.status
published
en_US
ethz.leitzahl
ETH Zürich::00002 - ETH Zürich::00012 - Lehre und Forschung::00007 - Departemente::02160 - Dep. Materialwissenschaft / Dep. of Materials::02646 - Institut für Polymere / Institute of Polymers::09455 - Isa, Lucio / Isa, Lucio
en_US
ethz.leitzahl.certified
ETH Zürich::00002 - ETH Zürich::00012 - Lehre und Forschung::00007 - Departemente::02160 - Dep. Materialwissenschaft / Dep. of Materials::02646 - Institut für Polymere / Institute of Polymers::09455 - Isa, Lucio / Isa, Lucio
en_US
ethz.grant.agreementno
188339
ethz.grant.fundername
SNF
ethz.grant.funderDoi
10.13039/501100001711
ethz.grant.program
Korean-Swiss Science and Technology Programme (KSSTP)
ethz.date.deposited
2023-11-03T09:57:56Z
ethz.source
FORM
ethz.eth
yes
en_US
ethz.availability
Open access
en_US
ethz.rosetta.installDate
2024-02-13T13:02:28Z
ethz.rosetta.lastUpdated
2024-02-13T13:02:29Z
ethz.rosetta.versionExported
true
ethz.COinS
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