Ultrasensitive MWCNT/PDMS composite strain sensor fabricated by laser ablation process
Flexible ultrasensitive piezoresistive strain sensors were fabricated by CO2 Laser ablating of the surface of the multiwall carbon nanotube/polydimethylsiloxane (MWCNT/PDMS) composite film prepared by a coating process. The effects of the MWCNT content and the applied laser power on the electrical a...
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| Veröffentlicht in: | Composites science and technology 2020-05, Vol.192, p.108105, Article 108105 |
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| container_title | Composites science and technology |
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| creator | Huang, Kaiyan Ning, Huiming Hu, Ning Liu, Feng Wu, Xiaopeng Wang, Shu Liu, Yaolu Zou, Rui Yuan, Weifeng Alamusi Wu, Liangke |
| description | Flexible ultrasensitive piezoresistive strain sensors were fabricated by CO2 Laser ablating of the surface of the multiwall carbon nanotube/polydimethylsiloxane (MWCNT/PDMS) composite film prepared by a coating process. The effects of the MWCNT content and the applied laser power on the electrical and sensing performances of the MWCNT/PDMS composite strain sensor were systematically investigated. It is found that, after laser ablating, the electrical conductivity and the sensing gauge factor of the MWCNT/PDMS film were greatly improved only by the addition of 1.0 wt% of MWCNT, which is below the percolation threshold of the MWCNT in the PDMS matrix. A novel boscage-like structure at the surface of the film formed by the ablation of the PDMS and the rearrangement of the MWCNT during the laser ablating process was found responsible for the ultrahigh gauge factor of the composite strain sensor, which is about 513 at the strain of 5.0%. The facile and cost-effective fabrication process of the flexible ultrasensitive strain sensor could be simply extended to other polymer composites for the development of new multifunctional and wearable electronic devices. |
| doi_str_mv | 10.1016/j.compscitech.2020.108105 |
| format | Article |
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The effects of the MWCNT content and the applied laser power on the electrical and sensing performances of the MWCNT/PDMS composite strain sensor were systematically investigated. It is found that, after laser ablating, the electrical conductivity and the sensing gauge factor of the MWCNT/PDMS film were greatly improved only by the addition of 1.0 wt% of MWCNT, which is below the percolation threshold of the MWCNT in the PDMS matrix. A novel boscage-like structure at the surface of the film formed by the ablation of the PDMS and the rearrangement of the MWCNT during the laser ablating process was found responsible for the ultrahigh gauge factor of the composite strain sensor, which is about 513 at the strain of 5.0%. The facile and cost-effective fabrication process of the flexible ultrasensitive strain sensor could be simply extended to other polymer composites for the development of new multifunctional and wearable electronic devices.</description><identifier>ISSN: 0266-3538</identifier><identifier>EISSN: 1879-1050</identifier><identifier>DOI: 10.1016/j.compscitech.2020.108105</identifier><language>eng</language><publisher>Barking: Elsevier Ltd</publisher><subject>Carbon dioxide ; Carbon dioxide lasers ; Electrical resistivity ; Electronic devices ; Laser ablation ; Lasers ; Multi wall carbon nanotubes ; MWCNT ; Nanotubes ; PDMS ; Percolation ; Polydimethylsiloxane ; Polymer matrix composites ; Strain analysis ; Strain sensor ; Thin films ; Wearable computers</subject><ispartof>Composites science and technology, 2020-05, Vol.192, p.108105, Article 108105</ispartof><rights>2020 Elsevier Ltd</rights><rights>Copyright Elsevier BV May 26, 2020</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c415t-ce3394d21c79e06c0e8acfd00f42c424c44337a9f92d6cfbf1108ac74c1df6a73</citedby><cites>FETCH-LOGICAL-c415t-ce3394d21c79e06c0e8acfd00f42c424c44337a9f92d6cfbf1108ac74c1df6a73</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.compscitech.2020.108105$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3548,27922,27923,45993</link.rule.ids></links><search><creatorcontrib>Huang, Kaiyan</creatorcontrib><creatorcontrib>Ning, Huiming</creatorcontrib><creatorcontrib>Hu, Ning</creatorcontrib><creatorcontrib>Liu, Feng</creatorcontrib><creatorcontrib>Wu, Xiaopeng</creatorcontrib><creatorcontrib>Wang, Shu</creatorcontrib><creatorcontrib>Liu, Yaolu</creatorcontrib><creatorcontrib>Zou, Rui</creatorcontrib><creatorcontrib>Yuan, Weifeng</creatorcontrib><creatorcontrib>Alamusi</creatorcontrib><creatorcontrib>Wu, Liangke</creatorcontrib><title>Ultrasensitive MWCNT/PDMS composite strain sensor fabricated by laser ablation process</title><title>Composites science and technology</title><description>Flexible ultrasensitive piezoresistive strain sensors were fabricated by CO2 Laser ablating of the surface of the multiwall carbon nanotube/polydimethylsiloxane (MWCNT/PDMS) composite film prepared by a coating process. The effects of the MWCNT content and the applied laser power on the electrical and sensing performances of the MWCNT/PDMS composite strain sensor were systematically investigated. It is found that, after laser ablating, the electrical conductivity and the sensing gauge factor of the MWCNT/PDMS film were greatly improved only by the addition of 1.0 wt% of MWCNT, which is below the percolation threshold of the MWCNT in the PDMS matrix. A novel boscage-like structure at the surface of the film formed by the ablation of the PDMS and the rearrangement of the MWCNT during the laser ablating process was found responsible for the ultrahigh gauge factor of the composite strain sensor, which is about 513 at the strain of 5.0%. The facile and cost-effective fabrication process of the flexible ultrasensitive strain sensor could be simply extended to other polymer composites for the development of new multifunctional and wearable electronic devices.</description><subject>Carbon dioxide</subject><subject>Carbon dioxide lasers</subject><subject>Electrical resistivity</subject><subject>Electronic devices</subject><subject>Laser ablation</subject><subject>Lasers</subject><subject>Multi wall carbon nanotubes</subject><subject>MWCNT</subject><subject>Nanotubes</subject><subject>PDMS</subject><subject>Percolation</subject><subject>Polydimethylsiloxane</subject><subject>Polymer matrix composites</subject><subject>Strain analysis</subject><subject>Strain sensor</subject><subject>Thin films</subject><subject>Wearable computers</subject><issn>0266-3538</issn><issn>1879-1050</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><recordid>eNqNkEtPwzAQhC0EEqXwH4w4p7Ud53VE4Sm1gEQLR8vZrIWrNCl2Wqn_HkfhwJHTrlbfzGqGkGvOZpzxdL6ZQbfdebA9wtdMMDHcc86SEzLheVZEYWWnZMJEmkZxEufn5ML7DWMsSwoxIR_rpnfaY-ttbw9Il5_ly2r-drd8p4NxF85IfUBsSweqc9ToylnQPda0OtImiB3VVaN727V05zpA7y_JmdGNx6vfOSXrh_tV-RQtXh-fy9tFBJInfQQYx4WsBYesQJYCw1yDqRkzUoAUEqSM40wXphB1CqYyPITTkEngtUl1Fk_Jzegb_n7v0fdq0-1dG14qISWTeZHxPFDFSIHrvHdo1M7ZrXZHxZkaalQb9adGNdSoxhqDthy1GGIcLDoVKGwBa-sQelV39h8uP1s6glI</recordid><startdate>20200526</startdate><enddate>20200526</enddate><creator>Huang, Kaiyan</creator><creator>Ning, Huiming</creator><creator>Hu, Ning</creator><creator>Liu, Feng</creator><creator>Wu, Xiaopeng</creator><creator>Wang, Shu</creator><creator>Liu, Yaolu</creator><creator>Zou, Rui</creator><creator>Yuan, Weifeng</creator><creator>Alamusi</creator><creator>Wu, Liangke</creator><general>Elsevier Ltd</general><general>Elsevier BV</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>8FD</scope><scope>JG9</scope></search><sort><creationdate>20200526</creationdate><title>Ultrasensitive MWCNT/PDMS composite strain sensor fabricated by laser ablation process</title><author>Huang, Kaiyan ; Ning, Huiming ; Hu, Ning ; Liu, Feng ; Wu, Xiaopeng ; Wang, Shu ; Liu, Yaolu ; Zou, Rui ; Yuan, Weifeng ; Alamusi ; Wu, Liangke</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c415t-ce3394d21c79e06c0e8acfd00f42c424c44337a9f92d6cfbf1108ac74c1df6a73</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2020</creationdate><topic>Carbon dioxide</topic><topic>Carbon dioxide lasers</topic><topic>Electrical resistivity</topic><topic>Electronic devices</topic><topic>Laser ablation</topic><topic>Lasers</topic><topic>Multi wall carbon nanotubes</topic><topic>MWCNT</topic><topic>Nanotubes</topic><topic>PDMS</topic><topic>Percolation</topic><topic>Polydimethylsiloxane</topic><topic>Polymer matrix composites</topic><topic>Strain analysis</topic><topic>Strain sensor</topic><topic>Thin films</topic><topic>Wearable computers</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Huang, Kaiyan</creatorcontrib><creatorcontrib>Ning, Huiming</creatorcontrib><creatorcontrib>Hu, Ning</creatorcontrib><creatorcontrib>Liu, Feng</creatorcontrib><creatorcontrib>Wu, Xiaopeng</creatorcontrib><creatorcontrib>Wang, Shu</creatorcontrib><creatorcontrib>Liu, Yaolu</creatorcontrib><creatorcontrib>Zou, Rui</creatorcontrib><creatorcontrib>Yuan, Weifeng</creatorcontrib><creatorcontrib>Alamusi</creatorcontrib><creatorcontrib>Wu, Liangke</creatorcontrib><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Composites science and technology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Huang, Kaiyan</au><au>Ning, Huiming</au><au>Hu, Ning</au><au>Liu, Feng</au><au>Wu, Xiaopeng</au><au>Wang, Shu</au><au>Liu, Yaolu</au><au>Zou, Rui</au><au>Yuan, Weifeng</au><au>Alamusi</au><au>Wu, Liangke</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Ultrasensitive MWCNT/PDMS composite strain sensor fabricated by laser ablation process</atitle><jtitle>Composites science and technology</jtitle><date>2020-05-26</date><risdate>2020</risdate><volume>192</volume><spage>108105</spage><pages>108105-</pages><artnum>108105</artnum><issn>0266-3538</issn><eissn>1879-1050</eissn><abstract>Flexible ultrasensitive piezoresistive strain sensors were fabricated by CO2 Laser ablating of the surface of the multiwall carbon nanotube/polydimethylsiloxane (MWCNT/PDMS) composite film prepared by a coating process. The effects of the MWCNT content and the applied laser power on the electrical and sensing performances of the MWCNT/PDMS composite strain sensor were systematically investigated. It is found that, after laser ablating, the electrical conductivity and the sensing gauge factor of the MWCNT/PDMS film were greatly improved only by the addition of 1.0 wt% of MWCNT, which is below the percolation threshold of the MWCNT in the PDMS matrix. A novel boscage-like structure at the surface of the film formed by the ablation of the PDMS and the rearrangement of the MWCNT during the laser ablating process was found responsible for the ultrahigh gauge factor of the composite strain sensor, which is about 513 at the strain of 5.0%. 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| ispartof | Composites science and technology, 2020-05, Vol.192, p.108105, Article 108105 |
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| language | eng |
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| source | ScienceDirect Journals (5 years ago - present) |
| subjects | Carbon dioxide Carbon dioxide lasers Electrical resistivity Electronic devices Laser ablation Lasers Multi wall carbon nanotubes MWCNT Nanotubes PDMS Percolation Polydimethylsiloxane Polymer matrix composites Strain analysis Strain sensor Thin films Wearable computers |
| title | Ultrasensitive MWCNT/PDMS composite strain sensor fabricated by laser ablation process |
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