

![Transmittance T [%] and reflectivity R [%] of Bi2O2.75 thin film versus wavelength.](https://sciendo-parsed.s3.eu-central-1.amazonaws.com/647250fc215d2f6c89dc3e5d/j_msp-2017-0020_fig_003.jpg?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&X-Amz-Credential=ASIA6AP2G7AKCZFNO2NJ%2F20251212%2Feu-central-1%2Fs3%2Faws4_request&X-Amz-Date=20251212T191357Z&X-Amz-Expires=3600&X-Amz-Security-Token=IQoJb3JpZ2luX2VjEEEaDGV1LWNlbnRyYWwtMSJHMEUCIQC1BtJ%2BEZgPdRqevkjCAg0AlCeyMex%2BOgeujtH26OLuIwIgGY9NOzsuHBFf9kOGd3k7zEWc%2Bv2o0nEofeblJPEwbhMqvQUIChACGgw5NjMxMzQyODk5NDAiDOyTytalmxIlenueRiqaBZNjtQYJ9GDERONT2v2fKLaeZIgIYgwf8jxbnArMopG4cCyRSvSCyYkVFlDpH5Bt0H56HLf9OWwlBY2ze6g9qyualLpKA2F%2BJ7WOpt45BLLdJlH%2F%2FhE0RsF6HPBj1s7VTh6MXhwWYmZPwpfVHM0%2BCo9VtvKUPVN06bedhBRDRpgE7fVyG%2BV4K3fBtXIkPbdHMV%2FRXWn9yO6deypx39x4iVU5D%2Bmc70C%2BymY4wZu5NxgaXlRENOWtwRLYZKykYqNWcChCThlv%2BH9I2S6zA6S01HNCkPfKX1JotC61AWucPm8fxpPKMC1qLmfiUxf%2B3KY77VXOykzFri%2FP%2B6F1zkSQHd5MQP8hdYiVeeLYIPg0iio2GpqZan9mlE2KR%2FfFTW1O1DXLdPfM1bsVGGulsH0xhPOAE5Y57WvZCeRE8dIDRw4iRVD4XGfncqg6X6O9JmY72GPPDRUZ5n8m51OYQp1chB48ACT6eQKBQKLRkNF6YbDoGA6MOH1N%2FCrBF2RJUw8mN9AfeqxjzgamZZ8SDkHXjwmb%2Fco2xJt6W3lF6AwFVew6ju%2B3%2Fy1rgpEFMvMICgwLkywovMoS5mfPdmF3UZcwXBA4uVa60ab8NBj%2BgIeg0BQAuMxN9ZsV7AynB5elcoNvuUueMar9FYrZFwAj7fVPMzr2IhqLZzwoI0nI7HMGwUjINagwf9BkoAttYJZS8a45LzPpz6OFyst%2FP7KdKwCnwQDoEo%2BfhiQ%2BxQTtrEVe1DphUaR7pJinqCNN2ya%2Ba8qFDNHGSfRHovYK1FN38Lc0OFqLkZUNV5af5A3B6I0mJ4YoSJ4kANT6cu8ZyomMTfsHV14vPapQPWBf58iSABCuOw1fOTLbzaCXjGoKTxzTdNXHFnnBaNuTgVA9eDCMjfHJBjqxAb01GDKcsyIAQz0EIpr%2FQt7WrKjSmQZWtjYIw0TgGrpjr9U1qS9OY%2FEDwi69aH9gJUkslTy9xOi8g%2Bu%2FQJlCj66iZVxAfkMVGmFLNqMgWjZ6ZjaZzSNH5kfMf4NTVn1b1FNMEX9KUSoyw4VhprciMrDvZ64fSMwH9U5uAQEEfLnwunpXGCW4I7vpfkyN049CfA4grZABEmXx77LNgzhwuQERSqtCgDYmeylL3ZIvRYJHWw%3D%3D&X-Amz-Signature=ae19d9ba9a8936d4443f9a326ed687b1afdfb0a102b5b8e73d190374bd9b8c0e&X-Amz-SignedHeaders=host&x-amz-checksum-mode=ENABLED&x-id=GetObject)





Surface tension of test liquids used in the experiments_
| Liquid | γ [mN/m] |
|---|---|
| Water | 72.8 |
| Glycerin | 64 |
| Ethylene glycol | 48 |
| Iodometane | 35.27 |
Percentage elemental composition of the Bi2O2_75 thin film and bare glass_
| Element | Bare glass | Bismuth oxide (Bi2O2.75) |
|---|---|---|
| Na | 9.02 | 5.14 |
| Mg | 2.26 | 1.37 |
| Al | 0.72 | 0.49 |
| Si | 35.10 | 29.46 |
| K | 0.21 | – |
| Ca | 5.63 | 5.78 |
| O | 47.06 | 19.21 |
| Bi | – | 38.56 |
Contact angles of test liquids on Bi2O2_75 thin film_
| Water | Glycerin | Ethylene glycol | Iodometane |
|---|---|---|---|
| 78 | 63 | 52 | 9 |