User Portlet

I am primarily interested in the dynamics of molecules in their excited electronic states. We use both computational and theoretical approaches to answer the following questions:

• Which nuclear motions are responsible for accommodating the energetics of the transition by either absorbing excess energy in an exothermic transition or supplying the energy deficit in an endothermic transition?

• What is the role of quantum coherence, localization, and relaxation in determining not only the transition rates, but also the transport, and spectroscopic properties of excitonic and charge-transfer states, especially in organic semiconducting systems?

• How do these effects affect the observed dynamics, material properties, or electronic behavior in systems such as organic light-emitting diodes, photovoltaic cells, and DNA chains.