Now I want to capture the surface morphological change of the catalyst ink applied on a substrate, intend to use a CCD camera with maximum resolution of mm. However, the catalytic ink is black, it is very difficult to differentiate the ionomer and C/Pt if only use CCD camera. So I wondered what else can I do with the catalytic ink to make different phases (Ionomer and C/Pt) discernable under CCD camera, or any other advanced imaging technique I can use for the dynamic morphological change?
Dear Jeannie,
I think that scanning electon microscopy would be helpful - if you make use of both the secondary electron (SE) images as well as of the backscattered electron (BE) images. Both contain morphological as well as elemental contrast - different elements have different yields in SE and BE. Therefore you may get contrast which you cannot get by a simple light microscopic picture.
Try to contact some guys in Waterloo, as far as I know you have SEM - instruments in Waterloo university!
Good luck, Dirk
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