Structure-induced enhancement of thermal conductivities in electrospun polymer nanofibers
Polymers that are thermally insulating in bulk forms have been found to exhibit higher thermal conductivities when stretched under tension. This enhanced heat transport performance is believed to arise from the orientational alignment of the polymer chains induced by tensile stretching. In this work...
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| Veröffentlicht in: | Nanoscale 2014-07, Vol.6 (14), p.8283-8291 |
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| container_title | Nanoscale |
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| creator | Zhong, Zhenxin Wingert, Matthew C Strzalka, Joseph Wang, Hsien-Hau Sun, Tao Wang, Jin Chen, Renkun Jiang, Zhang |
| description | Polymers that are thermally insulating in bulk forms have been found to exhibit higher thermal conductivities when stretched under tension. This enhanced heat transport performance is believed to arise from the orientational alignment of the polymer chains induced by tensile stretching. In this work, a novel high-sensitivity micro-device platform was employed to determine the axial thermal conductivity of individual Nylon-11 polymer nanofibers fabricated by electrospinning and post-stretching. Their thermal conductivity showed a correlation with the crystalline morphology measured by high-resolution wide-angle X-ray scattering. The relationship between the nanofiber internal structures and thermal conductivities could provide insights into the understanding of phonon transport mechanisms in polymeric systems and also guide future development of the fabrication and control of polymer nanofibers with extraordinary thermal performance and other desired properties. |
| doi_str_mv | 10.1039/c4nr00547c |
| format | Article |
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This enhanced heat transport performance is believed to arise from the orientational alignment of the polymer chains induced by tensile stretching. In this work, a novel high-sensitivity micro-device platform was employed to determine the axial thermal conductivity of individual Nylon-11 polymer nanofibers fabricated by electrospinning and post-stretching. Their thermal conductivity showed a correlation with the crystalline morphology measured by high-resolution wide-angle X-ray scattering. The relationship between the nanofiber internal structures and thermal conductivities could provide insights into the understanding of phonon transport mechanisms in polymeric systems and also guide future development of the fabrication and control of polymer nanofibers with extraordinary thermal performance and other desired properties.</description><identifier>ISSN: 2040-3364</identifier><identifier>EISSN: 2040-3372</identifier><identifier>DOI: 10.1039/c4nr00547c</identifier><identifier>PMID: 24932733</identifier><language>eng</language><publisher>England</publisher><subject>Crystal structure ; Electrospinning ; Heat transfer ; Nanofibers ; Platforms ; Thermal conductivity ; Transport ; Wide angle X ray scattering</subject><ispartof>Nanoscale, 2014-07, Vol.6 (14), p.8283-8291</ispartof><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c320t-fe68936cffbb69c439d54ad28e1d3f6b5940c9303c3a160d374916179b5b8f783</citedby><cites>FETCH-LOGICAL-c320t-fe68936cffbb69c439d54ad28e1d3f6b5940c9303c3a160d374916179b5b8f783</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,27901,27902</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/24932733$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Zhong, Zhenxin</creatorcontrib><creatorcontrib>Wingert, Matthew C</creatorcontrib><creatorcontrib>Strzalka, Joseph</creatorcontrib><creatorcontrib>Wang, Hsien-Hau</creatorcontrib><creatorcontrib>Sun, Tao</creatorcontrib><creatorcontrib>Wang, Jin</creatorcontrib><creatorcontrib>Chen, Renkun</creatorcontrib><creatorcontrib>Jiang, Zhang</creatorcontrib><title>Structure-induced enhancement of thermal conductivities in electrospun polymer nanofibers</title><title>Nanoscale</title><addtitle>Nanoscale</addtitle><description>Polymers that are thermally insulating in bulk forms have been found to exhibit higher thermal conductivities when stretched under tension. 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| fulltext | fulltext |
| identifier | ISSN: 2040-3364 |
| ispartof | Nanoscale, 2014-07, Vol.6 (14), p.8283-8291 |
| issn | 2040-3364 2040-3372 |
| language | eng |
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| source | Royal Society Of Chemistry Journals 2008-; Alma/SFX Local Collection |
| subjects | Crystal structure Electrospinning Heat transfer Nanofibers Platforms Thermal conductivity Transport Wide angle X ray scattering |
| title | Structure-induced enhancement of thermal conductivities in electrospun polymer nanofibers |
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