Abstract:We made polystyrene-block-poly (1,4-isoprene) (PS-b-PI) thin films with different composition and molecular weight.PS-b-PI thin films with well-aligned PI cylinders were made, and porous PS thin films were made by removing PI cylinders through ozone etching. The micro-structures of the films were investigated by AFM, SEM and GI-SAXS measurements.We measured the cross-plane thermal conductivities of the micro-structured thin films by using 3ω method. Thermal conductivity of a PS-b-PI thin film with non-oriented… Show more
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