Molecular-level description of dynamics in materials and the influence of dynamics on material properties; polymer blends; low molecular weight glass formers; polymer nanostructures; the glass transition; translational and rotational diffusion; diffusion in thin films and near surfaces; NMR spectroscopy; time-resolved optical spectroscopy.

     Our work is supported by the National Science Foundation(DMR, CHE, and NIRT) and by the Petroleum Research Fund.