We do fundamental materials chemistry research on photovoltaics, materials that convert sunlight to electricity, aiming to improve the efficiency of cells constructed from low-cost materials that can be applied to large-area surfaces. The two major projects are
- dye-sensitized solar cells incorporating zinc oxide nanotube and nanosheet photoanodes; and
- heterojunction cells produced by spraying or printing colloidal suspensions of quantum dots
There is a wide array of activities in our lab, including solid-state synthesis, cell construction, and materials characterization. We use tools as diverse as absorption and fluorescence spectroscopy, scanning electron microscopy, atomic force microscopy, current-voltage curve analysis, and various forms of impedance spectroscopy to characterize our devices.