Graham Turnbull is the Director of Postgraduate Studies for the School of Physics and Astronomy. His research interests are focused on photonic applications of soft materials, including organic semiconductors, plastic lasers, chemical sensing and nanophotonics. Current research activities include the development of diode-pumped organic lasers, explosive vapor sensors, nanoimprint lithography , hybrid optoelectronics, photophysics of organic semiconductors, OLEDs, and polymer nanofibres.