SFG Spectrometer

SFG Spectrometer

Sum Frequency Generation (SFG) Vibrational Spectrometer

Characterisation of vibrational bonds of molecules at surfaces or interfaces
Intrinsically surface specific
High spectral resolution
Wide range of accessible (molecular) vibrations: 625 – 4000 cm-1

Advantages

Intrinsically surface specific
Selective to adsorbed species
< 6 cm-1 (optional < 2 cm-1 ) spectral resolution
Sensitive to submonolayer of molecules
Applicable to all interfaces accessible to light
Nondestructive
Capable of high spectral and spatial resolution

Applications

Investigation of surfaces and interfaces of solids, liquids, polymers, biological membranes and other systems
Studies of surface structure, chemical composition and molecular orientation
Remote sensing in hostile environment
Investigation of surface reactions under real atmosphere, catalysis, surface dynamics
Studies of epitaxial growth, electrochemistry, material and environmental problems

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