Abstract
Electrospun poly(vinylidenefluoride-co-hexafluoropropylene) (PVDF-HFP) microfibrous membrane was modified by cyclonic atmospheric-pressure plasma in this work. The gas-phase temperature of plasma state was <90°C, indicating that this plasma could treat electrospun PVDF-HFP membrane without heat damages. Surface properties of the plasma-modified electrospun PVDF-HFP membranes were examined by the static contact angle (CA) analysis. It was observed that such cyclonic atmospheric-pressure plasma was useful in electrospun PVDF-HFP membrane surface modification; for example, the water CA was reduced from 137 to <30°with only 1 min treatment time. Field-emission scanning electron microscopy was used to determine the changes in surface features of the electrospun PVDF-HFP membrane after plasma treatment. A dye-sensitized solar cell (DSSC) fabricated with the plasma-modified electrospun PVDF-HFP membrane electrolyte revealed good conversion efficiency. This work proved that surface modification of the electrospun PVDF-HFP microfibrous membrane by cyclonic atmospheric-pressure plasma was an innovative method for DSSC applications.
| Original language | English |
|---|---|
| Pages (from-to) | 938-947 |
| Number of pages | 10 |
| Journal | Plasma Processes and Polymers |
| Volume | 10 |
| Issue number | 11 |
| DOIs | |
| State | Published - 11 2013 |
UN SDGs
This output contributes to the following UN Sustainable Development Goals (SDGs)
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SDG 7 Affordable and Clean Energy
Keywords
- atmospheric pressure glow discharges
- plasma jet
- plasma treatment
- polymer activation
- surface modification
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