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
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Vlasta ŠtěpánováPASNPG, Blansko 17.-19.10.2011
Outline
IntroductionExperimental set-upUsing methods of surface analysis ResultsConclusion
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Vlasta ŠtěpánováPASNPG, Blansko 17.-19.10.2011
Experimental set-up
DCSBD (Diffuse Coplanar Surface Barrier Discharge)
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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
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Vlasta ŠtěpánováPASNPG, Blansko 17.-19.10.2011
Experimental set-up
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Vlasta ŠtěpánováPASNPG, Blansko 17.-19.10.2011
Experimental set-up
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Vlasta ŠtěpánováPASNPG, Blansko 17.-19.10.2011
Using methods of surface analysis
Atomic force microscop (AFM)LDI-TOF MSContact angle measurement
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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)
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Vlasta ŠtěpánováPASNPG, Blansko 17.-19.10.2011
Using methods of surface analysis
LDI-TOF MS Laser Desorption Ionisation Time-Of-Flight
Mass Spectrometry
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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
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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
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Vlasta ŠtěpánováPASNPG, Blansko 17.-19.10.2011
Results
AFM
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Vlasta ŠtěpánováPASNPG, Blansko 17.-19.10.2011
Results
3D modeltime of plasma treatment 10 s
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Vlasta ŠtěpánováPASNPG, Blansko 17.-19.10.2011
Results
LDI-TOF MSplasma treated x untreated glass chemical x plasma cleaningadsorption of nanogold
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Vlasta ŠtěpánováPASNPG, Blansko 17.-19.10.2011
Results
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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°
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Vlasta ŠtěpánováPASNPG, Blansko 17.-19.10.2011
Results
Adsorption of nanogold
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Vlasta ŠtěpánováPASNPG, Blansko 17.-19.10.2011
Results
Adsorption of nanogold
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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
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Vlasta ŠtěpánováPASNPG, Blansko 17.-19.10.2011
Thank you for your attention.