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Integrated Ferroelectrics
An International Journal
Volume 202, 2019 - Issue 1: Proceedings of the International Conference on Nano-Structured Materials and Devices (ICNSMD-2018): Part I of IV
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Section B: Dielectric Properties

Electro-Optical and Dielectric Responses of ZnO Nanoparticles Doped Nematic Liquid Crystal in In-Plane Switching (IPS) Mode

Amit SharmaLiquid Crystal Research Laboratory, Department of Physics, Dr B R Ambedkar National Institute of Technology, Jalandhar, Punjab, India; ;Arni School of Technology, Arni University, Indora, HP, India; View further author information
,
Praveen MalikLiquid Crystal Research Laboratory, Department of Physics, Dr B R Ambedkar National Institute of Technology, Jalandhar, Punjab, India; Correspondence[email protected]
View further author information
&
Pankaj KumarDepartment of Applied Sciences, Chitkara University Institute of Engineering and Technology, Chitkara University, Patiala, Punjab, IndiaView further author information
Pages 52-66 | Received 01 Oct 2018, Accepted 12 Aug 2019, Published online: 30 Dec 2019
 
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Abstract

In present work, electro-optical and dielectric characteristics of ZnO nanoparticles (NPs) doped nematic liquid crystal mixture are studied in In-Plane Switching (IPS) mode. Effect of doping of ZnO nanoparticles on phase transition behaviour, threshold and operating voltage were studied. Polarising Optical Microscope (POM) study confirms a reduction in nematic to isotropic (N-I) phase transition temperature after doping of ZnO NPs. A decrease in threshold and operating voltages with better contrast ratio was observed. Further, a significant change in dielectric behaviour of NLC was also perceived in doped sample.

Acknowledgements

The authors sincerely thank the Director, NIT Jalandhar for continuous encouragement and support.

Additional information

Funding

The work was supported by DST, SERB under project no. EMR/2016/003560.

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