Enhancement of electro-optical response of ferroelectric liquid crystal: the role of graphene quantum dots

References

• Lee S-W, Mao C, Flynn CE, Belcher AM. Ordering of quantum dots using genetically engineered viruses. Science. 2002;296:892–895. doi:10.1126/science.1068054
   PubMed Web of Science ®Google Scholar
• Lee W-K, Choi J-H, Na H-J, Lim J-H, Han J-M, Hwang J-Y, Seo D. Low-power operation of vertically aligned liquid-crystal system via anatase-TiO2 nanoparticle dispersion. Opt Lett. 2009;34:3653–3655. doi:10.1364/OL.34.003653
   PubMed Web of Science ®Google Scholar
• Tong X, Zhao Y. Liquid-crystal gel-dispersed quantum dots: reversible modulation of photoluminescence intensity using an electric field. J Am Chem Soc. 2007;129:6372–6373. doi:10.1021/ja0711720
   PubMed Web of Science ®Google Scholar
• Jamieson T, Bakhshi R, Petrova D, Pocock R, Imani M, Seifalian AM. Biological applications of quantum dots. Biomaterials. 2007;28:4717–4732. doi:10.1016/j.biomaterials.2007.07.014
   PubMed Web of Science ®Google Scholar
• Kang S, Huh HH, Son KC, Lee CS, Kim KH, Huh C, Kim E. Light-emitting diode applications of colloidal CdSe/ZnS quantum dots embedded in TiO2-δ thin film. Phys Status Solidi B. 2009;246:889–892. doi:10.1002/pssb.200880615
   Google Scholar
• Kikuchi E, Kitada S, Ohno A, Aramaki S, Maenosono S. Solution-processed polymer-free photovoltaic devices consisting of PbSe colloidal quantum dots and tetrabenzoporphyrins. Appl Phys Lett. 2008;92:173307. doi:10.1063/1.2920166
   Web of Science ®Google Scholar
• Lagally MG. Self-organized quantum dots. J Chem Educ. 1998;75:277. doi:10.1021/ed075p277
   Web of Science ®Google Scholar
• Kumar A, Prakash J, Khan MT, Dhawan S, Biradar A. Memory effect in cadmium telluride quantum dots doped ferroelectric liquid crystals. Appl Phys Lett. 2010;97:163113. doi:10.1063/1.3495780
   Web of Science ®Google Scholar
• Kumar A, Biradar A. Effect of cadmium telluride quantum dots on the dielectric and electro-optical properties of ferroelectric liquid crystals. Phy Rev E. 2011;83:041708. doi:10.1103/PhysRevE.83.041708
   PubMed Web of Science ®Google Scholar
• Kumar A, Prakash J, Deshmukh AD, Haranath D, Silotia P, Biradar A. Enhancing the photoluminescence of ferroelectric liquid crystal by doping with ZnS quantum dots. Appl Phys Lett. 2012;100:134101. doi:10.1063/1.3698120
   Web of Science ®Google Scholar
• Basu R, Finkenstadt D, Brereton P. Quantum dots and nematic liquid crystal mediated interactions. Bull Am Phys Soc. 2014.
   Google Scholar
• Prakash J, Choudhary A, Mehta D, Biradar A. Effect of carbon nanotubes on response time of ferroelectric liquid crystals. Phy Rev E. 2009;80:012701. doi:10.1103/PhysRevE.80.012701
   Web of Science ®Google Scholar
• Malik A, Choudhary A, Silotia P, Biradar A, Singh V, Kumar N. Effect of graphene oxide nanomaterial in electroclinic liquid crystals. J Appl Phys. 2010;108:124110. doi:10.1063/1.3524540
   Web of Science ®Google Scholar
• Jin SH, Kim DH, Jun GH, Hong SH, Jeon S. Tuning the photoluminescence of graphene quantum dots through the charge transfer effect of functional groups. ACS Nano. 2013;7:1239–1245. doi:10.1021/nn304675g
   PubMed Web of Science ®Google Scholar
• Zhang Z, Chang K, Peeters F. Tuning of energy levels and optical properties of graphene quantum dots. Phy Rev B. 2008;77:235411. doi:10.1103/PhysRevB.77.235411
   Web of Science ®Google Scholar
• Kim S, Hwang SW, Kim M-K, Shin DY, Shin DH, Kim CO, Yang SB, Park JH, Hwang E, Choi SH, Ko G, Sim S, Sone C, Choi HJ, Bae S, Hong BH. Anomalous behaviors of visible luminescence from graphene quantum dots: interplay between size and shape. ACS Nano. 2012;6:8203–8208. doi:10.1021/nn302878r
   PubMed Web of Science ®Google Scholar
• Zhang Z, Zhang J, Chen N, Qu L. Graphene quantum dots: an emerging material for energy-related applications and beyond. Energy Environ Sci. 2012;5:8869–8890. doi:10.1039/c2ee22982j
   Web of Science ®Google Scholar
• Zheng XT, Than A, Ananthanaraya A, Kim D-H, Chen P. Graphene quantum dots as universal fluorophores and their use in revealing regulated trafficking of insulin receptors in adipocytes. ACS Nano. 2013;7:6278–6286. doi:10.1021/nn4023137
   PubMed Web of Science ®Google Scholar
• Lee W, Wang C-Y, Shih Y-C. Effects of carbon nanosolids on the electro-optical properties of a twisted nematic liquid-crystal host. Appl Phys Lett. 2004;85:513–515. doi:10.1063/1.1771799
   Web of Science ®Google Scholar
• Schymura S, Kühnast M, Lutz V, Jagiella S, Dettlaff-Weglikowska U, Roth S, Giesselmann F, Tschierske C, Scalia G, Lagerwall J. Towards efficient dispersion of carbon nanotubes in thermotropic liquid crystals. Adv Funct Mater. 2010;20:3350–3357. doi:10.1002/adfm.201000539
   Web of Science ®Google Scholar
• Cho M-J, Park H-G, Jeong H-C, Lee J-W, Jung YH, Kim D-H, Kim J-H, Lee J-W, Seo D-S. Superior fast switching of liquid crystal devices using graphene quantum dots. Liq Cryst. 2014;41(6):761–767. doi:10.1080/02678292.2014.889233
   Web of Science ®Google Scholar
• Cote LJ, Kim F, Huang J. Langmuir−Blodgett assembly of graphite oxide single layers. J Am Chem Soc. 2008;131:1043–1049. doi:10.1021/ja806262m
   Web of Science ®Google Scholar
• Pan D, Zhang J, Li Z, Wu M. Hydrothermal route for cutting graphene sheets into blue luminescent graphene quantum dots. Adv Mater. 2010;22:734–738. doi:10.1002/adma.200902825
   PubMed Web of Science ®Google Scholar
• Eda G, Chhowalla M. Chemically derived graphene oxide: towards large area thin film electronics and optoelectronics. Adv Mater. 2010;22:2392–2415. doi:10.1002/adma.200903689
   PubMed Web of Science ®Google Scholar
• Peng J, Gao W, Gupta BK, Liu Z, Romero-Aburto R, Ge L, Song LI, Alemany LB, Zhan X, Gao G, Vithayathil SA, Kaipparettu BA, Marti AA, Hayashi T, Zhu JJ, Ajayan PM. Graphene quantum dots derived from carbon fibers. Nano Lett. 2012;12:844–849. doi:10.1021/nl2038979
   PubMed Web of Science ®Google Scholar
• Ferrari AC. Raman spectroscopy of graphene and graphite: Disorder, electron–phonon coupling, doping and nonadiabatic effects. Solid State Comm. 2007;143:47–57. doi:10.1016/j.ssc.2007.03.052
   Web of Science ®Google Scholar
• Kim S, Hee Shin D, Oh Kim C, Seok Kang S, Sin Joo S, Choi S-H, Won Hwang S, Sone C. Size-dependence of Raman scattering from graphene quantum dots: interplay between shape and thickness. Appl Phys Lett. 2013;102:053108. doi:10.1063/1.4790641
   Web of Science ®Google Scholar
• Tuinstra F, Koenig JL. Raman spectrum of graphite. J Chem Phys. 1970;53:1126–1130. doi:10.1063/1.1674108
   Web of Science ®Google Scholar
• Twombly CW, Evans JS, Smalyukh II. Optical manipulation of self-aligned graphene flakes in liquid crystals. Opt Express. 2013;21:1324–1334. doi:10.1364/OE.21.001324
   PubMed Web of Science ®Google Scholar
• Tie W, Bhattacharyya SS, Lim YJ, Lee SW, Lee TH, Lee YH, Lee SH. Dynamic electro-optic response of graphene/graphitic flakes in nematic liquid crystals. Opt Express. 2013;21:19867–19879.
   PubMed Web of Science ®Google Scholar
• Kumar A, Tripathi S, Deshmukh A, Haranath D, Singh P, Biradar A. Time evolution photoluminescence studies of quantum dot doped ferroelectric liquid crystals. J Phys D: Appl Phys. 2013;46:195302. doi:10.1088/0022-3727/46/19/195302
   Web of Science ®Google Scholar
• Yamashita S, Saito Y, Choi J. Carbon nanotubes and graphene for photonic applications. Cambridge: Woodhead Publishing Limited; 2013.
   Google Scholar
• Joshi T, Ganguly P, Haranath D, Singh S, Biradar A. Tuning the photoluminescence of ferroelectric liquid crystal by controlling the size of dopant ZnO quantum dots. Mater Lett. 2014;114:156–158. doi:10.1016/j.matlet.2013.09.110
   Web of Science ®Google Scholar
• Tripathi S, Prakash J, Chandran A, Joshi T, Kumar A, Dhar A, Biradar AM. Enhanced dielectric and electro-optical properties of a newly synthesised ferroelectric liquid crystal material by doping gold nanoparticle-decorated multiwalled carbon nanotubes. Liq Cryst. 2013;40:1255–1262. doi:10.1080/02678292.2013.805830
   Web of Science ®Google Scholar