Study of rganized Assemblies and Surfaces Using Picosecond Lasers

  • Bhattacharyya, Kankan (Physical Chemistry, Department , Indian Association for the Cultivation of Science)
  • Published : 1999.05.01

Abstract

Dynamics of many ultrafast processes are markedly slowed down in various organized molecular assemblies compared to ordinary liquids. We will show that the solvation dynamics of water molecules is affected amost dramatically and is retarded by 3 ∼4 orders of magnitude in microemulsions, micells and lipids. We will also discuss how the access to fewer water molucules and the drastically altered local pH in an organized asembly affected the excited state proton transfer processes. Finally, we will show how surface second haromonic generation can be used to study the air-water surface.

Keywords

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