Photoresponsive azobenzene photonic crystals

Article Abstract:

The diffraction switching of a photonic crystal consisting of a crystalline colloidal array polymerized within a hydrogel matrix on azobenzene photochemically is demonstrated. It was observed that the information was recorded and erased by exciting the photonic crystal in the UV or visible spectral region and the written information was read out completely and nondestructively by the wavelength of the Bragg diffraction.

Photochemistry

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Design of pi-conjugated organic materials for one-dimensional energy transport in nanochannels

Article Abstract:

Various end-substituted distyrylbenzenes are synthesized to serve as guest molecules in inclusion compounds to promote efficient energy transport along one-dimensional channels. The calculations show that the terminal substituents affect only the geometry of the rings to which they are attached and indicate that the substitution leads to a small modulation of the optical properties.

Optical properties, Chemical synthesis, Energy transformation

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Ultrafast orientataional of nanoconfined benzene

Article Abstract:

A detailed study of the orientational dynamics of benzene and benzene-d6 confined in nanoporous glasses, both with silica surface and with methylated surfaces is presented. All of the observed orientational diffusion of confined benzene is found to occur on a lower time scale than in the bulk, even in pores with diameters that are significantly larger than benzene module.

Nanotechnology, Diffusion processes, Structure, Chemical properties

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