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Träfflista för sökning "WFRF:(Khoo Iam Choon) "

Sökning: WFRF:(Khoo Iam Choon)

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1.
  • Wang, Nan, et al. (författare)
  • Electrically controllable self-assembly for radial alignment of gold nanorods in liquid crystal droplets
  • 2015
  • Ingår i: Optical Materials Express. - 2159-3930 .- 2159-3930. ; 5:5, s. 1065-1070
  • Tidskriftsartikel (refereegranskat)abstract
    • We demonstrate the dispersion and alignment of gold nanorods in 5CB liquid crystal droplets in silicon oil with a radial director structure. This biphasic system shows that the nanorods are stabilized against phase boundary driven aggregation. The radial alignment of the droplets can be further controlled by electric field. This method is potentially useful for the fabrication of hybrid nanostructured materials, such as plasmonic polymer dispersed liquid crystals and self-assembly-based devices; it could also be extended for use with magnetic, semi-conducting, or up-conversion nanoparticles.
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2.
  • Wang, Nan, et al. (författare)
  • Lasing properties of a cholesteric liquid crystal containing aggregation-induced-emission material
  • 2015
  • Ingår i: Optics Express. - : Optical Society of America. - 1094-4087. ; 23:26, s. 33938-33946
  • Tidskriftsartikel (refereegranskat)abstract
    • We demonstrate band edge lasing action from a cholesteric liquid crystal (CLC) containing an aggregation-induced-emission (AIE) dye as gain material. AIE materials do not suffer aggregation-caused quenching, have strong resistance to photobleaching, and can show large Stokes shift. The amplified spontaneous emission (ASE) and lasing emission of the dye-doped CLC cell have been characterized, the lasing threshold has been estimated, and its resistance to photobleaching has been measured. AIE materials with their unique properties are especially suitable for acting as gain materials in liquid crystal lasers where defect structures lower the threshold for nanoscale aggregation effects. Our studies have shown that such AIE-dye-doped CLC is capable of lasing action with unusually large Stokes shift at moderate threshold with strong resistance to photobleaching.
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  • Resultat 1-2 av 2
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refereegranskat (2)
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He, Sailing (2)
Wang, Nan (2)
Evans, Julian S. (2)
Khoo, Iam-Choon (2)
Liu, Qingkun (1)
Wang, Shaowei (1)
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Zhang, Jianhao (1)
Mei, Ju (1)
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2015 (2)

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