应力对三维石墨烯复合材料导电性能的影响

doi:10.3969/j.issn.0255-8297.2015.05.011

应用科学学报 ›› 2015, Vol. 33 ›› Issue (5): 568-574.doi: 10.3969/j.issn.0255-8297.2015.05.011

• 电子技术 • 上一篇

应力对三维石墨烯复合材料导电性能的影响

郑辰飞¹, 徐荣青², 谌静², 陆云清¹

1. 南京邮电大学光电工程学院, 南京 210023;
2. 南京邮电大学电子科学与工程学院, 南京 210023

收稿日期:2014-09-19 修回日期:2014-12-15 出版日期:2015-09-30 发布日期:2015-09-30
通信作者: 徐荣青,博士,教授,研究方向:光电检测及石墨烯传感器,E-mail:xurq@njupt.edu.cn E-mail:xurq@njupt.edu.cn
基金资助:
国家自然科学基金(No.11304159, No.60778007);江苏省自然科学基金(No.NY213023)资助

Strain Effect on Electrical Conductivity of Three-Dimensional Graphene Composites

ZHENG Chen-fei¹, XU Rong-qing², CHEN Jing², LU Yun-qing¹

1. School of Optoelectronic Engineering, Nanjing University of Posts and Telecommunications, Nanjing 210023, China;
2. College of Electronic Science and Engineering, Nanjing University of Posts and Telecommunications, Nanjing 210023, China

Received:2014-09-19 Revised:2014-12-15 Online:2015-09-30 Published:2015-09-30

摘要/Abstract

摘要： 用化学气相沉积法在泡沫镍模板上生长石墨烯,获得三维石墨烯泡沫(graphenefoam, GF),并用PDMS 填充石墨烯泡沫,制备出GF/PDMS 柔性复合材料,进而研究了应力对三维石墨烯复合材料导电性能的影响. 结果表明:在弯曲情形下,GF/PDMS 复合材料的电阻相对变化率随弯曲曲率的增加而增加,且曲率较小时电阻的相对变化率增加较快,曲率较大时电阻的相对变化率增加缓慢;在拉伸情形下,GF/PDMS 复合材料的电阻相对变化率随拉伸应变的增大而增大,其平均应变灵敏度约为6, 说明GF/PDMS 复合材料在柔性导体和应力传感材料的应用上具有巨大的潜力.

关键词: 三维石墨烯, 化学气相沉积法, GF/PDMS, 应力

Abstract: A three-dimensional graphene foam and poly dimethyl siloxane (GF/PDMS) composite was fabricated by infiltrating PDMS into 3D GF. It was synthesized by chemical vapor deposition (CVD) with nickel foam as a template. Research of the strain effect on electrical conductivity of three-dimensional grapheme composites indicates that the relative change rate of resistance of the composites increases with the increaseof bending curvature under bending stress. The relative change rate increases quickly with a small bending curvature while slowly with a big curvature. Under tensile strain, the relative change rate of resistance of the composites increases with the increaseof tensile stress. Average strain sensitivity is about 6. The above results show that the GF/PDMS composite is potentially applicable to flexible conductors and stress sensing materials.

Key words: three-dimensional grapheme, chemical vapor deposition, GF/PDMS, stress

中图分类号:

O6-332
O341

郑辰飞, 徐荣青, 谌静, 陆云清. 应力对三维石墨烯复合材料导电性能的影响[J]. 应用科学学报, 2015, 33(5): 568-574.

ZHENG Chen-fei, XU Rong-qing, CHEN Jing, LU Yun-qing. Strain Effect on Electrical Conductivity of Three-Dimensional Graphene Composites[J]. Journal of Applied Sciences, 2015, 33(5): 568-574.

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应力对三维石墨烯复合材料导电性能的影响

Strain Effect on Electrical Conductivity of Three-Dimensional Graphene Composites

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