Present work deals with reverse mode polymer dispersed liquid crystals (PDLCs) sensitive to electric field. Contrary to the conventional PDLCs operate from opaque (OFF state) to transparent state (ON state) with the application of field, reverse mode PDLCs work in transparent to opaque state. Reverse mode PDLC composed of nematic LC and UV curable optical adhesive polymer were prepared by the polymerization induced phase separation. The polarizing optical microscope study shows the vertical alignment of LCs within droplets with initial dark state under cross polarizers and confirms preliminary natural transparent state. The electro optic (EO) results show that the reverse mode PDLC lowered the threshold and operating voltages significantly compared with reported values. The contrast ratio of the film was also studied.
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8 May 2018
2ND INTERNATIONAL CONFERENCE ON CONDENSED MATTER AND APPLIED PHYSICS (ICC 2017)
24–25 November 2017
Bikaner, India
Research Article|
May 08 2018
Morphological and electro optic studies of polymer dispersed liquid crystal in reverse mode
Vandna Sharma;
Vandna Sharma
1
Chitkara University Research and Innovation Network, Chitkara University
, Jhansla, Rajpura, Patiala-140401, Punjab, India
2
Department of Applied Sciences, Chitkara University
, Jhansla, Rajpura, Patiala-140401, Punjab, India
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Pankaj Kumar;
Pankaj Kumar
a)
1
Chitkara University Research and Innovation Network, Chitkara University
, Jhansla, Rajpura, Patiala-140401, Punjab, India
2
Department of Applied Sciences, Chitkara University
, Jhansla, Rajpura, Patiala-140401, Punjab, India
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Chinky;
Chinky
2
Department of Applied Sciences, Chitkara University
, Jhansla, Rajpura, Patiala-140401, Punjab, India
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Praveen Malik;
Praveen Malik
3
Liquid crystal laboratory, Department of Physics, Dr. B. R. Ambedkar National Institute of Technology
, Jalandhar, India
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K. K. Raina
K. K. Raina
4
DIT University
, Dehradun, Uttarakhand-248009, India
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AIP Conf. Proc. 1953, 100033 (2018)
Citation
Vandna Sharma, Pankaj Kumar, Chinky, Praveen Malik, K. K. Raina; Morphological and electro optic studies of polymer dispersed liquid crystal in reverse mode. AIP Conf. Proc. 8 May 2018; 1953 (1): 100033. https://doi.org/10.1063/1.5032969
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