Center for Advanced Molecular Materials
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Center for Advanced Molecular Materials. Director: Stacey Sörensen University of Lund. Senior members. William R. Salaneck Prof. of surface physics and chemistry, LiU Hans Siegbahn Prof. of atomic and molecular physics, UU
Center for Advanced Molecular Materials
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Presentation Transcript
Center for Advanced Molecular Materials Director: Stacey SörensenUniversity of Lund
Senior members • William R. Salaneck Prof. of surface physics and chemistry, LiU • Hans Siegbahn Prof. of atomic and molecular physics, UU • Stacey Sörensen Assoc. prof. of synchrotron radiation physics, LU • Svante Svensson Prof. of physics, UU • Hans Ågren Prof. of theoretical chemistry, KTH • Olle Björneholm,Assoc. Prof UU: Education • Mats Fahlman, Assoc. Prof. LiU: industry
Researchers • Faris Gel’mukhanov, KTH • Michel de Jong, Linköping University • Håkan Rensmo, Uppsala University • Pavel Salek, KTH • Margit Andersson, Lund University • Gunnar Öhrwall, Uppsala University
Financial summary • Program coordination: 500 kkr/year • Central programs: 300 kkr/year • Young researchers: 500 kkr/year • Guest professor: 1.2 Mkr • Total grant: 18 Mkr
Goals • Electronic structure of molecules - clusters - solid surfaces • Size dependent properties • Surface vs bulk • Nanostructured materials • Nanocrystals, surface ligands
Focus Spectroscopy in industry Spectroscopy of novel molecular materials High-resolution spectroscopy for: surfaces, surface coatings, adhesion, etc. Intercalation materials for batteries Hybrid interfaces in solar cell applications
Camm Workshops and courses 2001: Japan-Sweden Workshop on “Advanced spectroscopy of organic materials for electronic applications”, ASOMEA 2002: Molecular materials
YOUNG RESEARCHERS INDUSTRIAL USE OF SPECTRO- SCOPIC INFORMATION NOVELMATERIALS STUDIES FORMALCOOPER-ATION
Projects Nanostructured semiconductor systems Studies of molecular biosurfaces Studies of neutral molecular aggregates Model molecules for polymers Organic semiconductors for spintronics Charged excitons in molecular 2-d materials Quantum chemical calculations of materials
Nanostructured surfaces • Nanoporousand Nanocrystalline • About 10 nm sizednanocrystals • Surface magnification • (100 times /µm) 10 mm Increase the number of photoelectrochemical and electrochemical reactions at the interface
Potential applications e- hn e- e- e- Li+ (c) Energy production Solar cells Energy savings Smart windows Energy storage Batteries
Solar cells-an example Dye SC Electrolyte LOAD e- e- e- hn e- Light e- A A- e-
Molecular structures in model systems 5 6 . 8 6 8 3 . 7 5 3 5 8 7 . 4 3 5 8 9 . 4 3 5 2 6 . 6 3 5 5 4 0 5 3 8 5 3 6 5 3 4 5 3 2 I o n i z a t i o n p o t e n t i a l [ e V ] O XPS bonding sites Using core level photoelectron spectroscopy in combination with x-ray absorption spectroscopy insight into the molecular structure of the molecules at the surface can be obtained. L. Patthey, J. Chem. Phys. 110, 5913 (99)
Aggregates: rare gases • Well separated features for • Surface atoms • Bulk atoms • Noncondensed atoms • Surf/bulk ratio Cluster size Diagnostic..