Instabilities in block copolymer films induced by compressible solvents

Article Abstract:

A simple lattice-gas model for fluid mixtures is combined with polymer mean-field theory for block copolymer melts in order to study the stability of thin films of diblock copolymers in the presence of compressible fluid solvents. The results have indicated that the interplay between confinement, the compressibility of the solvent and its selectivity of polymer component might lead to major changes on the ordering and stability of the diblock copolymer thin films.

Block copolymers

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How could and do microwaves influence chemistry at interfaces?

Article Abstract:

The enhancement of the reaction selectivities of organic chemical reactions when exposed to microwaves is demonstrated. Monte Carlo simulations show that microwaves can change the energies of the reacting intermediates at the interfaces, resulting in an enhancement of the reaction rate by varying the time and space of exposure.

Monte Carlo method, Monte Carlo methods, Microwaves

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