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Vol. 3 No. 1 (2011)

Synthesis and Electrical Properties of TiO2 Nanoparticles Embedded in Polyamide-6 Nanofibers Via Electrospinning

https://doi.org/10.1007/BF03353651
R. Nirmala
Bio-nano System Engineering, Chonbuk National University, Jeonju, 561-756, South Korea
JinWon Jeong
Department of Organic Materials and Fiber Engineering, Chonbuk National University, Jeonju, 561-756, South Korea
R. Navamathavan
School of Advanced Materials Engineering, Chonbuk National University, Jeonju 561-756, South Korea
Hak Yong Kim
Department of Organic Materials and Fiber Engineering, Chonbuk National University, Jeonju, 561-756, South Korea

Corresponding Author: Hak Yong Kim

khy@jbnu.ac.kr

Nano-Micro Letters, Vol. 3 No. 1 (2011), Article Number: 56-61

Abstract

We report on the synthesis and characterizations of TiO2 nanoparticles embedded in polyamide-6 composite nanofibers by using electrospinning technique. The influence of substrate on the electrical characteristics of polyamide-6/TiO2 composite nanofibers was investigated. The resultant nanofibers exhibit good incorporation of TiO2 nanoparticles. The doping of TiO2 nanoparticles into the polyamide-6 nanofibers were confirmed by high resolution transmission electron microscopy and energy dispersive X-ray spectroscopy. Photoluminescence (PL) and cathodoluminescence (CL) spectroscopy were also used to characterize the samples. The PL and CL spectra reveal that the as-spun polyamide-6/TiO2 composite nanofibers consisted of overlapping of two broad emission bands due to the contribution of polyamide-6 (centered at about 475 nm), which might originate from organic functional groups of polyamide-6 and TiO2 nanoparticles (centered around 550 nm). The electrical conductivity of the polyamide-6/TiO2 composite nanofibers on different substrates was carried out. It was found that the electrical conductivity of the polyamide-6/TiO2 composite nanofibers on silicon substrate was in the range of 1∼3 μA, and about 1 to 20 pA for the paper and glass substrates.

Keywords

Electrospinning Polyamide-6 Nanoparticles Nanofibers Electrical studies
Nirmala, R., JinWon Jeong, R. Navamathavan, and Hak Yong Kim. 2011. “Synthesis and Electrical Properties of TiO2 Nanoparticles Embedded in Polyamide-6 Nanofibers Via Electrospinning”. Nano-Micro Letters 3 (1):56-61. https://doi.org/10.1007/BF03353651.
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