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231226s2023 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202304070
|2 doi
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|a pubmed24n1198.xml
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|a (DE-627)NLM359639127
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|a DE-627
|b ger
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|e rakwb
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|a eng
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|a Baek, Jinwook
|e verfasserin
|4 aut
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|a Mold-Free Manufacturing of Highly Sensitive and Fast-Response Pressure Sensors Through High-Resolution 3D Printing and Conformal Oxidative Chemical Vapor Deposition Polymers
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|c 2023
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|a Text
|b txt
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Revised 20.10.2023
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2023 The Authors. Advanced Materials published by Wiley-VCH GmbH.
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|a A new manufacturing paradigm is showcased to exclude conventional mold-dependent manufacturing of pressure sensors, which typically requires a series of complex and expensive patterning processes. This mold-free manufacturing leverages high-resolution 3D-printed multiscale microstructures as the substrate and a gas-phase conformal polymer coating technique to complete the mold-free sensing platform. The array of dome and spike structures with a controlled spike density of a 3D-printed substrate ensures a large contact surface with pressures applied and extended linearity in a wider pressure range. For uniform coating of sensing elements on the microstructured surface, oxidative chemical vapor deposition is employed to deposit a highly conformal and conductive sensing element, poly(3,4-ethylenedioxythiophene) at low temperatures (<60 °C). The fabricated pressure sensor reacts sensitively to various ranges of pressures (up to 185 kPa-1 ) depending on the density of the multiscale features and shows an ultrafast response time (≈36 µs). The mechanism investigations through the finite element analysis identify the effect of the multiscale structure on the figure-of-merit sensing performance. These unique findings are expected to be of significant relevance to technology that requires higher sensing capability, scalability, and facile adjustment of a sensor geometry in a cost-effective manufacturing manner
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|a Journal Article
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|a 3D printing
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|a chemical vapor deposition
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|a conductive polymers
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|a mold-free
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|a pressure sensors
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|a ultrafast response
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|a Shan, Yujie
|e verfasserin
|4 aut
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|a Mylvaganan, Mitesh
|e verfasserin
|4 aut
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| 700 |
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|a Zhang, Yuxuan
|e verfasserin
|4 aut
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|a Yang, Xixian
|e verfasserin
|4 aut
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|a Qin, Fei
|e verfasserin
|4 aut
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| 700 |
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|a Zhao, Kejie
|e verfasserin
|4 aut
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| 700 |
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|a Song, Han Wook
|e verfasserin
|4 aut
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|a Mao, Huachao
|e verfasserin
|4 aut
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| 700 |
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|a Lee, Sunghwan
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 35(2023), 41 vom: 01. Okt., Seite e2304070
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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|g volume:35
|g year:2023
|g number:41
|g day:01
|g month:10
|g pages:e2304070
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|u http://dx.doi.org/10.1002/adma.202304070
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