ResourceSpectroscopy
Raman Mapping of Single-Walled Carbon Nanotube Distribution on Phase Separated Polystyrene and Polymethylmethacrylate
28 Nov 2014In this application note, phase separated polystyrene and polymethylmethacrylate polymers were vapor deposited onto silicon. To ensure that these materials were indeed phase separated, dispersive Raman mapping was used to show the distribution of the polymers. The size of the structures varied from 10-50 microns in width. Single-walled carbon nanotubes were then vacuum-deposited onto the surface.
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Raman SpectroscopyRaman spectroscopy is used to discern the vibrational and rotational states of molecules and hence the chemical composition of a sample by measuring the inelastic scattering of monochromatic light. Explore a range of Raman spectrometers, including handheld/portable Raman spectrometers for QC/QA labs and in situ spectrometers for processes. Conduct Raman imaging for microanalysis of mixed samples using a Raman microscope. Raman spectrographs are also available. Find the best Raman spectroscopy products in our peer-reviewed product directory: compare products, check customer reviews and receive pricing direct from manufacturers.PolymersPolymers are large molecules made up of many repeat units. Natural polymers such as DNA and proteins are essential to life, whereas synthetic polymers such as polystyrene and polyethylene are used widely due to their functionality. Typical techniques for analysis include GPC, SEC, DSC, FT-IR and NMR.NanomaterialsNanomaterials such as carbon nanotubes, fullerenes and nanoparticles are a group of materials that measure between 1-1000nm for a single unit. Analysis techniques include AFM, electron microscopy and super resolution microscopy.