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Krysta Boccuzzi

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Case Western Reserve University - College of Arts and Sciences

Effect of Carbon Nanotubes on Chirality in Liquid Crystals

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KRYSTA BOCCUZZI, RAJ BASU, CHARLES ROSENBLATT Effect of Carbon Nanotubes on Chirality in Liquid Crystals
Outline ,[object Object],[object Object],[object Object],[object Object],[object Object]
Introduction to Liquid Crystals Nematic Smectic A Smectic C A liquid crystal is chiral when the mirror image of the molecule cannot be superimposed on the molecule. Liquid crystals have properties between those of liquids and solids.
Introduction to Carbon Nanotubes ,[object Object],[object Object]
The Electroclinic Effect 𝜽 The electroclinic effect only occurs when the liquid crystal is chiral.
Cell Preparation ,[object Object],[object Object],[object Object],ITO coating alignment polymer glass rubbing direction rubbing direction
Experimental set-up Laser Polarizer (22.5° from director) Analyzer Lens Sample Detector Digital Multimeter Lock-in Amplifier Function generator Computer
8S5 and Carbon Nanotubes
Could this be the result of an artifact? ,[object Object],[object Object],[object Object]
Conclusions ,[object Object],[object Object]

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Krysta Boccuzzi

  • 1. KRYSTA BOCCUZZI, RAJ BASU, CHARLES ROSENBLATT Effect of Carbon Nanotubes on Chirality in Liquid Crystals
  • 2.
  • 3. Introduction to Liquid Crystals Nematic Smectic A Smectic C A liquid crystal is chiral when the mirror image of the molecule cannot be superimposed on the molecule. Liquid crystals have properties between those of liquids and solids.
  • 4.
  • 5. The Electroclinic Effect 𝜽 The electroclinic effect only occurs when the liquid crystal is chiral.
  • 6.
  • 7. Experimental set-up Laser Polarizer (22.5° from director) Analyzer Lens Sample Detector Digital Multimeter Lock-in Amplifier Function generator Computer
  • 8. 8S5 and Carbon Nanotubes
  • 9.
  • 10.