Professor Damien Murphy

Professor Damien Murphy

Professor of Physical Chemistry and Head of School

School of Chemistry

Email:
murphydm@cardiff.ac.uk
Telephone:
+44 (0)29 2087 5850
Fax:
+44 (0)29 2087 4030
Media commentator

The research interests of the group focus on a number of topics including:

  • Structure and reactivity of paramagnetic centres (reactive oxygen species, defects) on polycrystalline oxides. Nature and reactivity of surface trapped electrons on oxides.
  • Understanding the fundamental steps involved in the stabilisation and reactivity of charge carrier states as a function of surface morphology (anisotropic photochemical reactivity).
  • Structure - function relationships and mechanistic pathways in homogeneous enantioselective catalysis, as probed by multi-frequency ENDOR.
  • Role of paramagnetic redox centres in selective oligomerisation catalysis.
  • Orientation selective ENDOR spectroscopy for structure determination in frozen solution

The group utilises both continuous wave (CW) and Pulsed EPR/ENDOR techniques at both X- and Q-band frequencies.

For more information, click on the 'Research' tab above.

Links

See also: EPR/ENDOR Spectroscopy Research Group

Prof. Damien Murphy obtained his degree in Chemistry from the Dublin Institute of Technology, Ireland (1986-1990). He then studied for his PhD at the Universitá di Torino, Italy under the guidance of Prof. E. Giamello (1990-1993). He was a Postdoctorate Research Fellow, at the Instituto Superior Technico, Lisbon (1994) and later Université P. et M. Curie, Paris (1995). He moved to Cardiff University in 1996 as a Lecturer in Physical Chemistry, and was later promoted to Senior Lecturer (2002) and Reader (2008). During this time he was Manager of the National ENDOR service (1996-2003) and Secretary/Treasurer of the ESR group of the RSC (1998-2003).

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CH3101 Foundations of Physical Chemistry

CH2117 Environmental Chemistry

CH3204 Symmetry, Spectroscopy and Quantum Mechanics

CH3410 Advanced Magnetic Resonance Spectroscopy: Principles and Applications

CHT231 Advanced Magnetic Resonance Spectroscopy: Principles and Applications

Details of each module is available in course finder

The chemical reactivity and properties of molecules depends critically on their shape or structure. For example, molecular shapes govern everything from colour, odour and taste to whether a substance is a solid, liquid or gas. Scientists use different tools to study these shapes, and explore how one molecule reacts with another depending on shape. This is often difficult, particularly in solution and when the interactions are weak. Using Orientation Selective Electron Nuclear DOuble Resonance (ENDOR) spectroscopy, we can generate a 3-dimensional visualisation of weakly interacting molecules in solution, revealing the small changes in structure when chiral molecules interact with each other. In a sense, ENDOR experiments on single crystals with known three-dimensional structures can be regarded as complementary 1H crystallography. As shown in the example below, the coordinates and distances derived by 1H ENDOR spectroscopy are comparable to those computed using DFT structural models (in brackets). When combined with other Pulsed EPR techniques, a complete description of electron spin distributions can be obtained in radicals and paramagnetic systems.