vlasta Štěpánová pasnpg, blansko 17.-19.10.2011 cleaning and activation of glass surface using...
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Vlasta ŠtěpánováPASNPG, Blansko 17.-19.10.2011
Cleaning and activation of glass surface using DCSBD discharge
V. Štěpánová, P. Slavíček, N. R. Panyala,
L. Rusnáková, J. Havel
Vlasta ŠtěpánováPASNPG, Blansko 17.-19.10.2011
Outline
IntroductionExperimental set-upUsing methods of surface analysis ResultsConclusion
Vlasta ŠtěpánováPASNPG, Blansko 17.-19.10.2011
Experimental set-up
DCSBD (Diffuse Coplanar Surface Barrier Discharge)
Vlasta ŠtěpánováPASNPG, Blansko 17.-19.10.2011
Experimental set-up
in ambient air at atmospheric pressure size of plasma 0,2 – 0,3 mm power 300 W electrode dimensions 8,5 x 21 cm
Vlasta ŠtěpánováPASNPG, Blansko 17.-19.10.2011
Experimental set-up
Vlasta ŠtěpánováPASNPG, Blansko 17.-19.10.2011
Experimental set-up
Vlasta ŠtěpánováPASNPG, Blansko 17.-19.10.2011
Using methods of surface analysis
Atomic force microscop (AFM)LDI-TOF MSContact angle measurement
Vlasta ŠtěpánováPASNPG, Blansko 17.-19.10.2011
Using methods of surface analysis
Atomic force microscop (AFM) change of surface roughness
depending on the time of
plasma treatment parametres (RMS and Ra)
Vlasta ŠtěpánováPASNPG, Blansko 17.-19.10.2011
Using methods of surface analysis
LDI-TOF MS Laser Desorption Ionisation Time-Of-Flight
Mass Spectrometry
Vlasta ŠtěpánováPASNPG, Blansko 17.-19.10.2011
Using methods of surface analysis
Contact angle measurement device See System (Surface energy
evaluation system) change the size of the contact angle
depending on the time
of surface treatment
Vlasta ŠtěpánováPASNPG, Blansko 17.-19.10.2011
Results
AFM
Time of plasma treatment [s] RMS [nm] Ra [nm]
0 0,49 0,38
1 0,89 0,64
5 1,25 0,96
10 1,25 0,96
25 1,27 0,94
60 7,30 3,90
120 13,00 8,80
Vlasta ŠtěpánováPASNPG, Blansko 17.-19.10.2011
Results
AFM
Vlasta ŠtěpánováPASNPG, Blansko 17.-19.10.2011
Results
3D modeltime of plasma treatment 10 s
Vlasta ŠtěpánováPASNPG, Blansko 17.-19.10.2011
Results
LDI-TOF MSplasma treated x untreated glass chemical x plasma cleaningadsorption of nanogold
Vlasta ŠtěpánováPASNPG, Blansko 17.-19.10.2011
Results
Vlasta ŠtěpánováPASNPG, Blansko 17.-19.10.2011
Results
Contact angle measurement volume of drop 4 l deionized water
Change of contact angle: before treatment 37° after treatment 14°
Vlasta ŠtěpánováPASNPG, Blansko 17.-19.10.2011
Results
Adsorption of nanogold
Vlasta ŠtěpánováPASNPG, Blansko 17.-19.10.2011
Results
Adsorption of nanogold
Vlasta ŠtěpánováPASNPG, Blansko 17.-19.10.2011
Conclusion
Plasma treatment improves hydrophilic properties of glass surface
Cleaning glass with plasma treatment is more efficient than chemical cleaning
Plasma treatment improves adsorption of gold nanoparticles on a glass surface
Vlasta ŠtěpánováPASNPG, Blansko 17.-19.10.2011
Thank you for your attention.
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