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http://yadda.icm.edu.pl:80/baztech/element/bwmeta1.element.baztech-f2049480-9340-4741-9cbd-fad4ff0e25a1

Czasopismo

Archives of Metallurgy and Materials

Tytuł artykułu

The Relationship between the Monomer Chain Length and the Electro-Optical Properties of Polymer Dispersed Liquid Crystals

Autorzy Liu, J.  Ozga, K.  Liu, X.  Zhen, Z.  Plucinski, K. J.  Szota, M.  Kityk, I. V. 
Treść / Zawartość
Warianty tytułu
Języki publikacji EN
Abstrakty
EN Five polymers dispersed liquid crystalline (LC) films were fabricated using photo-polymerizable monomers with different lengths of carbon chains. These LC films have shown different electro-optical (EO) properties. Through their SEM pictures, the relationship between the linear electro-optical effect and the mesh size of the polymer network was explored. With the increase of number of photo-polymerizable monomers, the mesh size of the polymer network would become larger. So the liquid crystal molecules would be easily oriented in the electric field and therefore, the threshold voltage and saturation voltage would decrease. The open state response times were also reduced and the off state response times would be extended. The DFT simulations have shown principal role of the ground state dipole moments in the observed electro-optical efficiency.
Słowa kluczowe
EN liquid crystal   electro-optical property   polymer dispersed   mesh size   response time  
Wydawca Polish Academy of Sciences, Committee of Metallurgy, Institute of Metallurgy and Materials Science
Czasopismo Archives of Metallurgy and Materials
Rocznik 2016
Tom Vol. 61, iss. 1
Strony 457--460
Opis fizyczny Bibliogr. 16 poz., rys., tab., wykr.
Twórcy
autor Liu, J.
  • Chinese Academy of Sciences, Technical Institute of Physics and Chemistry, Key Laboratory of Photochemical Conversion and Optoelectronic Materials, Beijing 100190, P. R. China.
autor Ozga, K.
  • Czestochowa University of Technology, Institute of Electronic and Control System, 17 Armii Krajowej Av., 42-200 Czestochowa, Poland
autor Liu, X.
  • Chinese Academy of Sciences, Technical Institute of Physics and Chemistry, Key Laboratory of Photochemical Conversion and Optoelectronic Materials, Beijing 100190, P. R. China.
autor Zhen, Z.
  • Chinese Academy of Sciences, Technical Institute of Physics and Chemistry, Key Laboratory of Photochemical Conversion and Optoelectronic Materials, Beijing 100190, P. R. China.
autor Plucinski, K. J.
  • Military University Technology, Electronics Department, 2 Kaliskiego Str, Warsaw 00-908, Poland
autor Szota, M.
  • Czestochowa University of Technology, Institute of Material Science Engineering, 19 Armii Krajowej Av., 42-200 Czestochowa, Poland
autor Kityk, I. V.
  • Czestochowa University of Technology, Institute of Electronic and Control System, 17 Armii Krajowej Av., 42-200 Czestochowa, Poland
Bibliografia
[1] M. Silva, J. Sotomayor, J. Figueirinhas, Effect of an additive on the permanent memory effect of polymer dispersed liquid crystal films, J. Chem. Technol. Biotechnol. 90, 1565-1569 (2015).
[2] W. Huang, Y. Liu, L. Hu, Q. Mu, Z. Peng, C. Yang, L. Xuan, Second-order distributed feedback polymer laser based on holographic polymer dispersed liquid crystal grating, Org. Electron. 14, 2299-2305 (2013).
[3] M. Kim, K. Park, S. Seok, J. Ok, H. Jung, J. Choe, D. Kim, Fabrication of microcapsules for dye-doped polymerdispersed liquid crystal-based smart windows, ACS Appl. Mater. Interfaces. 7 (32), 17904-17909 (2015).
[4] P. Kumar, S. Kang, S. Lee, K. Raina, Analysis of dichroic dyedoped polymer-dispersed liquid crystal materials for display devices, Thin Solid Films, 520 (1), 457-463 (2011).
[5] O. Trushkevych, T. Eriksson, S. Ramadas, R. Edwards, Ultrasound sensing using the acousto-optic effect in polymer dispersed liquid crystals, Appl. Phys. Lett. 107 (5), 054102 (2015).
[6] J. Liu, W. Gao, I. V. Kityk, X. Liu, Z. Zhen, Optimization of polycyclic electron-donors based on julolidinyl structure in push-pull chromophores for second order NLO effects, Dyes Pigment. 122, 74-84 (2015).
[7] J. Liu, G. Xu, F. Liu, I. Kityk, X. Liu, Z. Zhen, Recent advances in polymer electro-optic modulators, RSC Adv. 5, 15784-15794 (2015).
[8] S. Myoung, E. Kim, Y. Jung, Electrooptical properties and microstructure of polymer-dispersed liquid crystal doped with various reinforcing materials, Thin Solid Films, 519 (5), 1558-1562 (2010).
[9] K.J. Yang, D.J. Yoon, Electro-optical characteristics of dyedoped polymer dispersed liquid crystals, J. Ind. Eng. Chem. 17 (3), 543-548 (2011).
[10] F. Ahmad, M. Jamil, L. Woo, Y. Jeon, The absorption of block copolymer: Block copolymer based polymer dispersed liquid crystal (PDLC) film, Mater. Plast. 52 (2), 171-174 (2015).
[11] S. S. Parab, M. K. Malik, P. G. Bhatia, R. R. Deshmukh, Investigation of liquid crystal dispersion and dielectric relaxation behavior in polymer dispersed liquid crystal composite films, J. Mol. Liq. 199, 287-293 (2014).
[12] S. T. Wu, A. Y.-G. Fuh, Color dispersion in two-dimensional phase array based on polymer-dispersed liquid crystal film, Opt. Commun. 281 (6), 1732-1738 (2008).
[13] K. R. Moon, S. Y. Bae, B. K. Kim, Electro-optical properties of low viscosity driven holographic polymer dispersed liquid crystals, Opt. Mater. 42, 160-166 (2015)
[14] B. Yan, J. He, R. Bao, X. Bai, S. Wang, Y. Zeng, Y. Wang, Modification of electro-optical properties of polymer dispersed liquid crystal films by iniferter polymerization, Eur. Polym. J. 44 (3), 952-958 (2008).
[15] Y. Kim, D. Jung, S. Jeong, K. Kim, W. Choi, Y. Seo, Optical properties and optimized conditions for polymer dispersed liquid crystal containing UV curable polymer and nematic liquid crystal, Curr. Appl. Phys. 15(3), 292-297 (2015).
[16] I. V. Kityk, M. Makowska-Janusik, E. Gondek, L. Krzeminska, A. Daniel, K.J. Plucinski, S. Benet, B. Sahraoui, Optical poling of oligoether acrylate photopolymers doped by stilbenebenzoate derivative chromophores. J. Phys.: Condens. Matter 16 (3), 231-239 (2004).
Uwagi
EN We are grateful to the National Natural Science Foundation of China (No. 51503215; No. 11104284 and No. 61101054) for the financial support.
EN Opracowanie ze środków MNiSW w ramach umowy 812/P-DUN/2016 na działalność upowszechniającą naukę
Kolekcja BazTech
Identyfikator YADDA bwmeta1.element.baztech-f2049480-9340-4741-9cbd-fad4ff0e25a1
Identyfikatory
DOI 0.1515/amm-2016-0082