Microwave absorption and mechanical properties of La(NO3) 3-doped multi-walled carbon nanotube/polyvinyl chloride composites

Cuiling Hou; Tiehu Li; Tingkai Zhao; Tao Cheng; Wenjuan Zhang; Guangming Li

doi:10.1016/j.matlet.2011.09.036

Microwave absorption and mechanical properties of La(NO₃) ₃-doped multi-walled carbon nanotube/polyvinyl chloride composites

Cuiling Hou, Tiehu Li, Tingkai Zhao, Tao Cheng, Wenjuan Zhang, Guangming Li

School of Materials Sience and Engineering

Northwestern Polytechnical University Xian

Research output: Contribution to journal › Article › peer-review

28 Scopus citations

Abstract

Composites that effectively absorb microwave in the frequency range of 2-18 GHz have been strongly demanded during the past decades. To enhance the absorption of microwave, composites are generally capable of wide absorption bandwidth and low reflection loss. Here, we used La(NO₃) ₃-doped multi-walled carbon nanotubes (MWCNTs) as absorber and polyvinyl chloride (PVC) as matrix to fabricate MWCNT-La(NO₃) ₃/PVC composites, where La(NO₃)₃-doped MWCNTs broadened the absorption bandwidth and decreased the reflection loss of the composites. Due to the insertion of diamagnetic La³⁺, the absorbing properties of as-prepared composites were enhanced, while the mechanical properties of such composite were slightly changed. The amount of doped La(NO₃)₃ was experimentally optimized to be 6 wt.%.

Original language	English
Pages (from-to)	84-87
Number of pages	4
Journal	Materials Letters
Volume	67
Issue number	1
DOIs	https://doi.org/10.1016/j.matlet.2011.09.036
State	Published - 15 Jan 2012

Keywords

Carbon nanotubes
Mechanical property
Microwave absorbing property
Polymeric composites

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10.1016/j.matlet.2011.09.036

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abstract = "Composites that effectively absorb microwave in the frequency range of 2-18 GHz have been strongly demanded during the past decades. To enhance the absorption of microwave, composites are generally capable of wide absorption bandwidth and low reflection loss. Here, we used La(NO3) 3-doped multi-walled carbon nanotubes (MWCNTs) as absorber and polyvinyl chloride (PVC) as matrix to fabricate MWCNT-La(NO3) 3/PVC composites, where La(NO3)3-doped MWCNTs broadened the absorption bandwidth and decreased the reflection loss of the composites. Due to the insertion of diamagnetic La3+, the absorbing properties of as-prepared composites were enhanced, while the mechanical properties of such composite were slightly changed. The amount of doped La(NO3)3 was experimentally optimized to be 6 wt.%.",

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AU - Hou, Cuiling

AU - Li, Tiehu

AU - Zhao, Tingkai

AU - Cheng, Tao

AU - Zhang, Wenjuan

AU - Li, Guangming

PY - 2012/1/15

Y1 - 2012/1/15

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AB - Composites that effectively absorb microwave in the frequency range of 2-18 GHz have been strongly demanded during the past decades. To enhance the absorption of microwave, composites are generally capable of wide absorption bandwidth and low reflection loss. Here, we used La(NO3) 3-doped multi-walled carbon nanotubes (MWCNTs) as absorber and polyvinyl chloride (PVC) as matrix to fabricate MWCNT-La(NO3) 3/PVC composites, where La(NO3)3-doped MWCNTs broadened the absorption bandwidth and decreased the reflection loss of the composites. Due to the insertion of diamagnetic La3+, the absorbing properties of as-prepared composites were enhanced, while the mechanical properties of such composite were slightly changed. The amount of doped La(NO3)3 was experimentally optimized to be 6 wt.%.

KW - Carbon nanotubes

KW - Mechanical property

KW - Microwave absorbing property

KW - Polymeric composites

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Microwave absorption and mechanical properties of La(NO₃) ₃-doped multi-walled carbon nanotube/polyvinyl chloride composites

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Keywords

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