Naphthalene diimides (NDIs) have shown promise as electron poor components in numerous organic-electronic applications, including components in donor-acceptor columnar liquid crystals. This study investigated the molecular packing and aggregation of NDI molecules at the air-water interface. A Langmuir-Blodgett trough was used to produce monolayers of NDIs at the air-water interface. Several different alkyl-chain substituted NDIs were synthesized for the study. The nature of the NDI aggregation at the surface and in bulk solution was investigated using surface pressure-area isotherms and UV/Vis spectroscopy, respectively. It is predicted that highly-organized, 2-D assemblies of NDI molecules can be formed at the air-water interface, and could eventually be transferred onto solid substrates.

Exploration of the surface properties of naphthalene diimides (NDI) at the air-water interface

251st National Meeting (2016)

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