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ABSTARCT
The present study is focused on the investigations of possible effects on electro-optical properties of carbon nanotubes (CNTs) doped ferroelectric liquid crystal (FLC), W206E. The optical micrographs of nanocomposite systems reveal some topological defects. The spontaneous polarization of doped systems decreases as compared to the pure FLC. The dielectric permittivity and conductivity are decreased with increasing doping concentration of CNTs in W206E. These decrements can be attributed to the trapping of mobile ions by dopant CNTs in W206E. This study will help in the development of faster display devices based on liquid crystals with better contrast and lower threshold voltage.
Acknowledgments
The authors sincerely thank Prof. R. Dabrowski, MUT Warsaw, Poland for providing FLC mixture and Prof. N.V.S. Rao, Assam University, India for providing MWCNTs. The Department of Science and Technology (EMR/2015/001897), Govt. of India is also gratefully acknowledged for providing the necessary experimental facilities to conduct the experiments at IIT Delhi, India.