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Carbon fiber doped thermosetting elastomer for flexible sensors: physical properties and microfabrication.

ABSTRACT: We have developed conductive microstructures using micropatternable and conductive hybrid nanocomposite polymer. In this method carbon fibers (CFs) were blended into polydimethylsiloxane (PDMS). Electrical conductivities of different compositions were investigated with various fiber lengths (50-250 μm), and weight percentages (wt%) (10-60 wt%). Sample composites of 2 cm × 1 cm × 500 μm were fabricated for 4-point probe conductivity measurements. The measured percolation thresholds varied with length of the fibers: 50 wt% (307.7 S/m) for 50 µm, 40 wt% (851.1 S/m) for 150 µm, and 30 wt% (769.23 S/m) for 250 μm fibers. The conductive composites showed higher elastic modulus when compared to that of PDMS.

SUBMITTER: Khosla A 

PROVIDER: S-EPMC6097983 | biostudies-literature | 2018 Aug

REPOSITORIES: biostudies-literature

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Carbon fiber doped thermosetting elastomer for flexible sensors: physical properties and microfabrication.

Khosla Ajit A   Khosla Ajit A   Shah Shreyas S   Shiblee M D Nahin Islam MDNI   Mir Sajjad Husain SH   Nagahara Larry Akio LA   Thundat Thomas T   Shekar Praveen Kumar PK   Kawakami Masaru M   Furukawa Hidemitsu H  

Scientific reports 20180817 1

We have developed conductive microstructures using micropatternable and conductive hybrid nanocomposite polymer. In this method carbon fibers (CFs) were blended into polydimethylsiloxane (PDMS). Electrical conductivities of different compositions were investigated with various fiber lengths (50-250 μm), and weight percentages (wt%) (10-60 wt%). Sample composites of 2 cm × 1 cm × 500 μm were fabricated for 4-point probe conductivity measurements. The measured percolation thresholds varied with le  ...[more]