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ePaper created 2013-09-24, 11:56:35 | version 1.25.20
4 3 Dr. Christian Oehr Head of Department of Interfacial Engineering and Materials Science Phone +49 711 970-4137 christian.oehr@igb.fraunhofer.de ContactQualitative and quantitative estimation of the chemical functions at surfaces and in thin films using IR spectrosco- py in ATR mode, IR microscopy, confocal Raman and fluo- rescence spectroscopy as well as MALDI-TOF-MS (matrix- assisted laser desorption-ionization time-of-flight mass spectroscopy) Determination of elemental composition, using electron spectroscopy for chemical analysis (ESCA) and energy dis- persive X-Ray analysis (EDX) Plasma process diagnostics: probe measurements, optical and mass spectrometric methods Apart from the quality of the products, the material and ener- gy efficiency of processes is of foremost concern. One way of tackling this is to miniaturize entire functional units which are manufactured as a combination of several thin films. The in- ternal structure and the chemical composition of these layers are significant for the role of the films in modulating the trans- port of materials (membranes), of electrons (conductors and semi-conductors) or photons (fiber optics). This also opens up applications for thin-film components in photovoltaics, in bat- teries and in organic electronics. The challenge and objective of our process engineering development work is to find the best ways of combining thin films using a variety of special- ized techniques. Thanks to our combination of preparation methods and ana- lytical tools, we are well prepared to successfully handle the development challenges of our clients across the Fraunhofer IGB portfolio – whether in the medicine, pharmacy, chemistry, the environment or energy business area. Range of services Development of processes for the plasma modification of surfaces Thin films as protective layers (scratch and corrosion pro- tection), barriers against permeation, and for use as reser- voirs for the targeted release of substances (formulations) Functionalization of surfaces (chemical and biochemical) Development of plasma-cleaning and plasma-sterilization processes Synthesis and preparation of nanostructured materials with tailored surfaces Novel formulations using core-shell particles Characterization of nanoparticles, measurement of the particle sizes and particle size distribution by optical meth- ods or in an electrical field Development of membranes and membrane modules Manufacturing and testing of membranes in pilot scale Surface and layer characterization Development of methods and plants Scaling up of laboratory processes to produce thin films on large format surfaces and scaling of nanoparticle produc- tion for greater volumes Infrastructure and technical equipment Plasma reactors for cleaning, sterilization, coating and functionalization Equipment for sputtering and parylene coating Electron (SEM) and probe (AFM) microscopes Equipment for the analysis of surfaces and thin films Chemical-nanotechnical laboratories for the synthesis and preparation of nanostructured (bio)materials and surfaces Pilot plants for the manufacturing and testing of mem- branes