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Prof. Sir Richard Friend

Richard Friend holds the Cavendish Professorship of Physics at the University of Cambridge. He is Director of the Winton Programme for the Physics of Sustainability and of the Maxwell Centre.

His research encompasses the physics, materials science and engineering of semiconductor devices made with carbon-based semiconductors, particularly polymers. His research group was first to demonstrate using polymers efficient operation of field-effect transistors and light-emitting diodes. These advances revealed that the semiconductor properties of this broad class of materials are unexpectedly clean, so that semiconductor devices can both reveal their novel semiconductor physics, including their operation in efficient photovoltaic diodes, optically-pumped lasing, directly-printed polymer transistor circuits and light-emitting transistors.