What is it about?
The research demonstrates that adding polyvinyl alcohol polymer (PVA) to copper sulfide films on glass and silicon substrates improves their structural properties, increases resistance and movement, and decreases carrier charge density, leading to improved electrical properties and increased solar cell efficiency from 0.15% to 0.570%. The films were measured using X-ray diffraction and AFM.
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Why is it important?
PVA acts as an additive to improve compatibility between CuS crystal growth. - The hydrogen bonds in PVA help regulate the deposition of copper and sulfur ions.
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This page is a summary of: Effect of adding polyvinyl alcohol polymer (PVA) on CuS/Si thin film solar cell efficiency, IET Conference Proceedings, March 2025, the Institution of Engineering and Technology (the IET),
DOI: 10.1049/icp.2025.0138.
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