Dispersion and interaction of graphene oxide in amorphous and semi-crystalline nano-composites: a PALS study

Forskningsoutput: Kapitel i bok/rapport/Conference proceedingKonferenspaper i proceeding

Abstract

The influence of dispersion and interaction of Graphene Oxide (GO) in semi-crystalline Polyhydroxy butyrate (PHB) and glassy amorphous Poly(tBP-oda) is explored by Positron Annihilation Lifetime Spectroscopy (PALS). The ortho-Positronium lifetimes which represent the main free volume hole size of both polymers are mainly affected by the large differences in internal stresses built up by the shrinkage of the polymers during their preparation, restricted by the platelet structure of GO. The ortho-Positronium intensities, which represent the ortho-Positronium formation probabilities, suggest a strong dependency of on the dispersion of the nano-particles and their aspect ratio.

Detaljer

Författare
  • Frans Maurer
  • Carlos Rodriguez Arza
Enheter & grupper
Forskningsområden

Ämnesklassifikation (UKÄ) – OBLIGATORISK

  • Polymerkemi
Originalspråkengelska
Titel på värdpublikation11th International Workshop on Positron and Positronium Chemistry (PPC-11)
FörlagIOP Publishing
Sidor012020
Volym618
StatusPublished - 2015
PublikationskategoriForskning
Peer review utfördJa
Evenemang11th International Workshop on Positron and Positronium Chemistry (PPC) - Goa, INDIA
Varaktighet: 2014 nov 92014 nov 14

Publikationsserier

Namn
Volym618
ISSN (tryckt)1742-6588
ISSN (elektroniskt)1742-6596

Konferens

Konferens11th International Workshop on Positron and Positronium Chemistry (PPC)
Period2014/11/092014/11/14