Optically induced light modulation in an hybrid nanocomposite system of inorganic CdSe/CdS nanorods and nematic liquid crystals

Optical Materials

Volumn 32, Issue 9, 2010, Pages 1011-1016

  Petti, Lucia ^a   Rippa, Massimo ^a   Fiore, Angela ^b   Manna, Liberato ^c   Mormile, Pasquale ^a  

^a CNR   (Italy)

^b NATIONAL NANOTECHNOLOGY LABORATORY   (Italy)

^c ISTITUTO ITALIANO DI TECNOLOGIA   (Italy)

Author keywords

Bistability; Light modulation; Organic inorganic nanocomposite materials

Indexed keywords

ARGON LASERS; CADMIUM COMPOUNDS; II-VI SEMICONDUCTORS; LASER BEAMS; LIGHT MODULATION; NANOCOMPOSITES; NANORODS; OPTICAL BISTABILITY; OPTICAL PROPERTIES; OPTICAL SIGNAL PROCESSING; OPTICAL SWITCHES; PUMPING (LASER); SEMICONDUCTOR LASERS;

HYBRID NANOCOMPOSITES; MODULATION FREQUENCIES; NANOCOMPOSITE BLENDS; ORGANIC/INORGANIC NANO-COMPOSITE; REVERSIBLE SWITCHING; THERMALLY INDUCED; THERMO-OPTICAL PROPERTIES; THERMOOPTICAL SWITCH;

NEMATIC LIQUID CRYSTALS;

EID: 78650409823     PISSN: 09253467     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.optmat.2010.02.022     Document Type: Article

References (25)

1. F. Simoni, O. Francescangeli, Effects of light on molecular orientation of liquid crystals, Journal of Physics - Condensed Matter 11 (1999) R439-R487.
2. L. Petti et al., Nonlinear optical propagation in dye-doped liquid crystal waveguides, Journal of Optics A - Pure and Applied Optics 1 (1999) 390-397.
3. I.C. Khoo et al., Optically induced space-charge fields, dc voltage, and extraordinarily large nonlinearity in dye-doped nematic liquid crystals, Optics Letters 23 (1998) 253-255.
4. L. Sirleto, L. Petti, P. Mormile, G.C. Righini, G. Abbate, Fast integrated electro-optical switch and beam deflector based on nematic liquid crystal waveguides, Fiber and Integrated Optics 21 (2002) 435-449.
5. I.C. Khoo, H. Li, Y. Liang, Observation of orientational photorefractive effects in nematic liquid-crystals, Optics Letters 19 (1994) 1723-1725.
6. T. Inoue, Y. Tomita, Light-induced director axis reorientation in a dye-doped ferroelectric liquid crystal and its application to self-aligned spatial filtering, Journal of the Optical Society of America B - Optical Physics 13 (1996) 1916-1920.
7. L. Lucchetti, M. Di Fabrizio, O. Francescangeli, F. Simoni, Colossal optical nonlinearity in dye doped liquid crystals, Optics Communications 233 (2004) 417-424.
8. S. McConville, D. Laurent, A. Guarino, S. Residori, Measurement of the giant nonlinear response of dye-doped liquid crystals, American Journal of Physics 73 (2005) 425-432.
9. I.C. Khoo, K. Chen, Y.Z. Williams, Orientational photorefractive effect in undoped and CdSe nanorods-doped nematic liquid crystal-bulk and interface contributions, IEEE Journal of Selected Topics in Quantum Electronics 12 (2006) 443-450.
10. G.Z. Shen, D. Chen, One-dimensional nanostructures and devices of II-V group semiconductors, Nanoscale Research Letters 4 (2009) 779-788.
11. J.Q. Hu, Y. Bando, D. Golberg, Novel semiconducting nanowire heterostructures: synthesis, properties and applications, Journal of Materials Chemistry 19 (2009) 330-343.
12. J.F. Ye, L.M. Qi, Solution-phase synthesis of one-dimensional semiconductor nanostructures, Journal of Materials Science and Technology 24 (2008) 529-540.
13. G.Z. Shen, D. Chen, Y. Bando, D. Golberg, One-dimensional (1-D) nanoscale heterostructures, Journal of Materials Science and Technology 24 (2008) 541-549.
14. G.D. Scholes, Controlling the optical properties of inorganic nanoparticles, Advanced Functional Materials 18 (2008) 1157-1172.
15. V.V. Kislyuk, O.P. Dimitriev, Nanorods and nanotubes for solar cells, Journal of Nanoscience and Nanotechnology 8 (2008) 131-148.
16. P.D. Cozzoli, T. Pellegrino, L. Manna, Synthesis, properties and perspectives of hybrid nanocrystal structures, Chemical Society Reviews 35 (2006) 1195-1208.
17. M. Yada, J. Yamamoto, H. Yokoyama, Direct observation of anisotropic interparticle forces in nematic colloids with optical tweezers. Physical Review Letters 92 (2004) (art. n. 185501).
18. K.J. Wu et al., CdS nanorods imbedded in liquid crystal cells for smart optoelectronic devices, Nano Letters 7 (2007) 1908-1913.
19. C. Lapointe et al., Elastic torque and the levitation of metal wires by a nematic liquid crystal, Science 303 (2004) 652-655.
20. S. Acharya, S. Kundu, J.P. Hill, G.J. Richards, K. Ariga, Nanorod-driven orientational control of liquid crystal for polarization-tailored electro-optic devices, Advanced Materials 21 (2009) 989-993.
21. S. Sen, P. Brahma, S.K. Roy, D.K. Mukherjee, S.B. Roy, Birefringence and order parameter of some alkyl- and alkoxycyanobiphenyl liquid crystals, Molecular Crystals and Liquid Crystals 100 (1983) 327-340.
22. L. Carbone et al., Synthesis and micrometer-scale assembly of colloidal CdSe/CdS nanorods prepared by a seeded growth approach, Nano Letters 7 (2007) 2942-2950.
23. D.J. Suh, O.O. Park, T. Ahn, H.K. Shim, Observation of the photorefractive behaviors in the polymer nanocomposite based on p-PMEH-PPV/CdSe-nanoparticle matrix, Optical Materials 21 (2002) 365-371.
24. A. Fiore et al., Tetrapod-shaped colloidal nanocrystals of II-VI semiconductors prepared by seeded growth, Journal of the American Chemical Society 131 (2009) 2274-2282.
25. I.C. Khoo, Liquid Crystals, second ed., Wiley Blackwell, 2007.