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In-situ diagnostics of the crystalline nature of single organicnanocrystals by nonlinear microscopy

Authors
Publication Date
Keywords
  • [Phys:Cond:Cm_Ms] Physics/Condensed Matter/Materials Science
  • [Phys:Cond:Cm_Ms] Physique/Matière Condensée/Science Des Matériaux
  • Organic Nanocrystals
  • Nonlinear Microscopy
  • Incoherent Second Harmonic Generation
Disciplines
  • Physics

Abstract

We elucidate the crystalline nature and the three-dimensionalorientation of isolated organic nanocrystals embedded in a sol-gelmatrix, using a polarized nonlinear microscopy technique thatcombines two-photon fluorescence and second harmonic generation.This technique allows the distinction between mono-crystallinestructures and nano-scale poly-crystalline aggregates responsiblefor incoherent second harmonic signals.

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