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240407s2024 xx |||||o 00| ||eng c |
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|a 10.1021/acs.langmuir.4c00231
|2 doi
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|a DE-627
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|e rakwb
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|a eng
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| 100 |
1 |
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|a Zhu, Wei-Bin
|e verfasserin
|4 aut
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| 245 |
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|a Comprehensive Investigation of the Temperature-Dependent Electromechanical Behaviors of Carbon Nanotube/Polymer Composites
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|c 2024
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|a Text
|b txt
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|a Date Revised 16.04.2024
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a The performances of flexible piezoresistive sensors based on polymer nanocomposites are significantly affected by the environmental temperature; therefore, comprehensively investigating the temperature-dependent electromechanical response behaviors of conductive polymer nanocomposites is crucial for developing high-precision flexible piezoresistive sensors in a wide-temperature range. Herein, carbon nanotube (CNT)/polydimethylsiloxane (PDMS) composites widely used for flexible piezoresistive sensors were prepared, and then the temperature-dependent electrical, mechanical, and electromechanical properties of the optimized CNT/PDMS composite in the temperature range from -150 to 150 °C were systematically investigated. At a low temperature of -150 °C, the CNT/PDMS composite becomes brittle with a compressive modulus of ∼1.2 MPa and loses its elasticity and reversible sensing capability. At a high temperature (above 90 °C), the CNT/PDMS composite softens, shows a fluid-like mechanical property, and loses its reversible sensing capability. In the temperature range from -60 to 90 °C, the CNT/PDMS composite exhibits good elasticity and reversible sensing behaviors and its modulus, resistivity, and sensing sensitivity decrease with an increasing temperature. At room temperature (30 °C), the CNT/PDMS composite exhibits better mechanical and piezoresistive stability than those at low and high temperatures. Given that environmental temperature changes have significant effects on the sensing performances of conductive polymer composites, the effect of ambient temperature changes must be considered when flexible piezoresistive sensors are designed and fabricated
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|a Journal Article
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| 700 |
1 |
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|a Wang, You-Yong
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Fan, Ting
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhu, Yu
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Tang, Zhen-Hua
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Huang, Pei
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Li, Yuan-Qing
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Fu, Shao-Yun
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1985
|g 40(2024), 15 vom: 16. Apr., Seite 8170-8179
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnas
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| 773 |
1 |
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|g volume:40
|g year:2024
|g number:15
|g day:16
|g month:04
|g pages:8170-8179
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| 856 |
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|u http://dx.doi.org/10.1021/acs.langmuir.4c00231
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