1 st MONET Marie Curie EST network workshop, Reading 5 th -6 th March 2007

1. Towards functional surfaces and nanostructures using non-volatile moleculesJames N. O’SheaSchool of Physics & AstronomyNottingham Nanoscience and Nanotechnology CentreUniversity of Nottingham 1st MONET Marie Curie EST network workshop, Reading 5th-6th March 2007

2. Towards functional surfaces using non-volatile molecules • Interesting monolayers of non-volatile molecules • Investigating the fundamental physics • Getting non-volatile molecules onto surfaces in UHV • Results

3. Functional surfaces from non-volatile moleculesMolecular solar cells Ru535 TiO2

4. Functional surfaces from non-volatile moleculesBiomimetic molecular sensors

5. Functional surfaces from non-volatile moleculesSupra-molecular templates L. M. A. Perdigão et al, J. Phys. Chem. B, 110, 12539 (2006)

6. Investigating the fundamental physicsMapping occupied and unoccupied densities of states | XPS

7. Investigating the fundamental physicsMapping occupied and unoccupied densities of states | UPS

8. Investigating the fundamental physicsMapping occupied and unoccupied densities of states | XAS

9. Investigating the fundamental physicsCharge transfer dynamics | ‘Core-hole clock’ Participator

10. Investigating the fundamental physicsCharge transfer dynamics | ‘Core-hole clock’ Auger

11. Investigating the fundamental physicsCharge transfer dynamics | ‘Core-hole clock’ Spectator

12. Investigating the fundamental physicsCharge transfer dynamics | ‘Core-hole clock’ J. Ben Taylor et al, in preparation

13. Investigating the fundamental physicsBack donation | A higher Auger

14. Investigating the fundamental physicsBack donation | A higher Auger

15. Getting non-volatile molecules onto surfaces in UHVElectrospray ionisation of liquid samples 2.5 kV

16. Getting non-volatile molecules onto surfaces in UHVElectrospray deposition in vacuum 10-5 torr 10-2 torr

17. Getting non-volatile molecules onto surfaces in UHVElectrospray deposition of carbon nanotubes in vacuum J. N O'Shea et al, Nanotechnology 18 (2007) 035707

18. Getting non-volatile molecules onto surfaces in UHVUHV electrospray deposition 10-7 torr water-methanol solution

19. Getting non-volatile molecules onto surfaces in UHVUHV electrospray deposition of Ru535/TiO2(110) Louise Mayor et al, in preparation

20. Taking it further…Functional supramolecular networks and molecular traps J. N. O’Shea et al, Surface Science 486,157 (2001)

21. Summary • In-situ UHV electrospray deposition allows us to investigate non-volatile molecules and nanostructures with a suite of surface science techniques. • Electron spectroscopy can reveal a great deal about the movement of electrons and the interactions between molecules and surfaces.

22. Acknowledgements Funding EPSRC for electrospray development and supramolecular templates CCLRC for access to SRS EC FP6 Research Infrastructure for access to MAX-lab EC FP6 Marie Curie Actions for the MONET EST network Postdocs and PhD Students Chris Satterley Janine Swarbrick J. Ben Taylor Louise Mayor Graziano Magnano Anna Rienzo Collaborators Joachim Schnadt Peter Beton Neil Champness Philip Moriarty Karina Schulte