Andrew Monkman

Lecture topic: “Thermally Activated Delayed Fluorescence”


Professor Andrew Paul Monkman,

Head of the Organic Electroactive Materials Research Group,             

Department of Physics, University of Durham        

 Education :

1982-1985          B.Sc. (1st) in Physics from Queen Mary College, University of London

1985-1989          Ph.D. “Characterisation of the Conducting Polymer Polyaniline”, also from Queen Mary College, University of London.

Appointments :

1988–1997         Lecturer, Applied Physics, University of Durham

1997-2002         Promoted to a Readership, University of Durham

2002-                  Promoted to a Personal Chair, University of Durham

2004-2012         Director, Photonic Materials Centre, University of Durham



STINT Fellowship (held University of Linkoping), Swedish Government 1998

Leverhulme Fellow 2002-2003

Fellow of the institute of Physics

Charter Physicist

Samsung Global Research Outreach Award 2013


Areas of Research

Professor Andrew Monkman obtained his degree and PhD at the University of London with Professor David Bloor. He joined Durham University in 1988 and was appointed to a personal Chair in 2002. Professor Monkman runs the OEM research group focussing on the study of the optical properties of organic semiconductors, with specially focus on organic solid state lighting. The research group has a sophisticated array of spectroscopic techniques ranging from 15 fsec time resolution time resolved laser measurements to the ability to study the weakest phosphorescent processes. Many dedicated spectroscopic techniques have been developed for the study of triplet exciton dynamics, triplet annihilation processes and thermally activated delayed fluorescence, in organic materials. The group has developed these optical measurements to enable the studies of OLED devices as well as materials and thus provide a deeper understanding of how OLEDs produce light. The group also has excellent clean room facilities to fabricate both polymer and small molecule encapsulated devices.

The group currently focus on triplet harvesting using the TADF mechanism. We have developed the photophysical characterisation of this mechanism and are developing new methods to further understand the details of reverse intersystem crossing and the excited state involved in the triplet harvesting. We have identified three distinct regimes of TADF and shown that the original ideas of the TADF mechanism are incorrect. This is helping us design much more efficient TADF materials and TADF devices. Are broad range of optical measurement techniques is vital to helping us understand this complex mechanism.



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