Photorefractive and photoconductive features of the nanostructured materials
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Photoconductive and photorefractive characteristics of fullerene- and nanotubes-doped organic thin films based on conjugated organics, such as polyimide, polyaniline, pyridine, etc. have been studied. In addition, the liquid crystal mesophase with nanoobjects has been investigated. The increase of the charge carrier mobility of nanosensitized organics has been established. The nonlinear refraction and cubic nonlinearity have been investigated at wavelength of 532 nm via four-wave mixing technique using Raman-Nath diffraction regime. The thin holographic grating has been written at the spatial frequencies placed in the range of 90-150 mm-1. The energy density has been chosen in the range of 0.1-0.9 J×cm-2. The correlation between photoconductive and nonlinear optical parameters has been revealed. The nanostructured materials can be proposed for different area of nano- and microelectronic applications. © 2010 World Scientific Publishing Company.
Keywords:fullerenes / nanotubes / nonlinear optics / laser-matter interaction / nanostructured organics / photoconductive features / refraction
Source:International Journal of Modern Physics B, 2010, 24, 6-7, 695-702
- Singapore: World Scientific Publishing