Glaass transition of organic nanoparticles

摘要

A sample model, with no adjustable parameters, is developed for the finite size effect of organic particles on the glass transition temperature, and the heat capacity difference between glass and liquid at the glass transition temperature. As the size of organic particle decreases, both their glass transition temperature and heat capacity difference decrease. The model predictions are consistent with available experimental results of o-terphenyl and benzyl alchol nanoparticles.