Author/Authors :
Ryan، نويسنده , , Kevin P. and Lipson، نويسنده , , Stephen M. and Drury، نويسنده , , Anna and Cadek، نويسنده , , Martin and Ruether، نويسنده , , Manuel and OʹFlaherty، نويسنده , , Sean M. and Barron، نويسنده , , Valerie and McCarthy، نويسنده , , Brendan and Byrne، نويسنده , , Hugh J. and Blau، نويسنده , , Werner J. and Coleman، نويسنده , , Jonathan N.، نويسنده ,
Abstract :
It is suspected that many of the physical properties observed in polymer–carbon nanotube composites are related to the formation of crystalline polymer coatings around the nanotubes. Here, a semi-conjugated polymer, poly(m-phenylenevinylene-co-2,5-dioctyloxy-p-phenylenevinylene) (PmPV), is doped with multiwalled carbon nanotubes (MWNT). Differential scanning calorimetry of thin composite films has been used to verify that MWNT nucleate polymer crystallization. In addition, these results allow calculation of a thickness of 25 nm for the crystalline region adjacent to the nanotube in reasonable agreement with a value of 32 nm obtained from photoluminescence studies.
