Synthesis and photochemical properties of poly(2,5-dimethoxy-p-phenylenevinylene) hosted in the intergallery spaces of montmorillonite

Article Abstract:

Poly(2,5-dimethoxy-p-phenylenevinylene) (dMeOPPV) is formed in the intergallery spacing of a montmorillonite by introducing the (2,5-dimethoxy-1,4-phenylene)bis(methylene-S-tetrahydrothiophenium) monomer by ion exchange, increasing the basicity the solid aluminosilicate with [Cs.sup+] and subsequent heating at 200 degree C. The dMeOPPV polymer incorporated inside montmorillonite exhibits a green light emission, which makes the organic polymer very attractive for its application in polymer light-emitting diodes (PLEDS).

Semiconductors and related devices, Semiconductor and Related Device Manufacturing, Light Emitting Diodes, Composition, Light-emitting diodes, LEDs, Montmorillonite, Chemical properties

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Preparation and photochemistry of single wall carbon nanotubes having covalently anchored viologen units

Article Abstract:

The successful preparation of a single wall nanotube (SWNT) is described that has an asymmetric substituted viologen attached covalently. Viologen-modified SWNT forms a charge transfer (CT) complex with electron donor compounds such as 2,6-dimethoxynaphthalene, which exhibit the expected features of these CT complexes.

Science & research, Research, Charge transfer, Photochemistry, Nanotubes

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