Plasma controlled surface texturing of silver foils

TL;DRAbstract

Several industrial processes involve the use of silver in one form or another, two of which there are in the use of conductive adhesives within the Personnel Computer Boards manufacturing industry and as a catalyst for the epoxidation of ethylene. Both these processes could be improved significantly if the silver surface were altered morphologically. One possible way to improve either of the aforementioned technologies would be to plasma modify the silvers surface. The aim of the work described in this thesis is to produce a high surface area silver using a high frequency rf plasma, with the hope that with further research this technology may be used to modify silver powder for use in conductive adhesives or as a catalyst for the epoxidation of ethylene This thesis describes the use of high frequency continuous wave (CW) oxygen plasmas for the treatment of silver foils, in particular the effects on surface morphology of changes in rf power (15-50 W), gas pressure (0.2-0.8 mbar), exposu

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