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Novel Techniques for Observing Structural Dynamics of Photoresponsive Liquid Crystals
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JoVE Journal Chimica
Novel Techniques for Observing Structural Dynamics of Photoresponsive Liquid Crystals

Novel Techniques for Observing Structural Dynamics of Photoresponsive Liquid Crystals

DOI:
10.3791/57612-v

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10:35 min

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May 29, 2018

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, , , , , ,
1Graduate School of Natural Science and Technology,Okayama University, 2Graduate School of Science,Kyoto University, 3Center for Computational Sciences,University of Tsukuba, 4Graduate School of Science,Kyushu University

Capitoli

  • 00:05Titolo
  • 00:38Time-Resolved Infrared (IR) Vibrational Spectroscopy
  • 03:37Time-Resolved Electron Diffraction
  • 08:00Results: Differential Diffraction Analysis of Packing Deformation in Liquid Crystal -COT
  • 09:50Conclusion

Summary

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Here, we present the protocols of differential-detection analyses of time-resolved infrared vibrational spectroscopy and electron diffraction which enable observations of the deformations of local structures around photoexcited molecules in a columnar liquid crystal, giving an atomic perspective on the relationship between the structure and the dynamics of this photoactive material.

Tags

Photoresponsive Liquid CrystalsStructural DynamicsTime-resolved IR Vibrational SpectroscopyDifferential IR SpectrumDifferential Electron DiffractionPi-COTLiquid Crystal Phase SampleTitanium-sapphire LaserChirped Pulse AmplifierMercury-cadmium-tellurium IR DetectorTransient SignalFlow CellMotorized StageLaser-induced Damage

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