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Author: Mihela Aleksandrova

  • DOMINANT TECHNOLOGIES IN “INDUSTRY 4.0”

    Wetting coatings on TiO2 based glasses for photovoltaic application and contact angle measurements

    • Stancho Yordanov
    • Mihail Georgiev
    • Silviya Simeonova
    • Bojidar Jivov
    • Vladimir Petkov
    • Mihela Aleksandrova
    Industry 4.0, Vol. 8 (2023), Issue 7, pg(s) 351-354
    • Abstract
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    They have been conducted on ellipsometry and contact angles. The contact angles of a surface coating on glasses applied in photovoltaics were measured. This study used a DSA 100-Expert (Krüss GmbH, Germany) to measure contact angles on glass substrates. Contact angles were measured using the DSA 100-Expert tilt table accessory to identify both advancing and receding contact angles. A drop of deionized water is deposited on the glass substrate and then the table is tilted at a constant rate of 5 degrees per minute, to a tilt angle of 90 degrees.

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