

![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=ASIA6AP2G7AKMCCB5XJF%2F20260222%2Feu-central-1%2Fs3%2Faws4_request&X-Amz-Date=20260222T055325Z&X-Amz-Expires=3600&X-Amz-Security-Token=IQoJb3JpZ2luX2VjEPP%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FwEaDGV1LWNlbnRyYWwtMSJIMEYCIQDk6gL31b5U20aBb2Q6ydCqhR0pIEIZtbAtLfbI1DWYpAIhAMVR%2FfhTikOeRWx1WOy0sJZzMHHcseUf%2BWGOs27CIdAEKsYFCLz%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FwEQAhoMOTYzMTM0Mjg5OTQwIgxJ5mIqm87DVzDihw4qmgUqhUji6YCYwNMP%2F1rfOHF38o99dT7lQGKW07khRnk67eP0fUTZKQiiQYgdkEi5LuLO2p5dEqvgQ2%2FmA%2BdRgXdUM58aidrviMOTFWrZdjQjSCnHZ8UrfViwEZOcu2jCUbvWyqyCeoPAFImrLsIn0wOOiy6E%2F5EFvyKRj81iCFJ7cXu8WDkrJsOJnyfmbjYRSD3WuyfvPKY2n9OrBmbVp719pUTqtcM8VBm1sX%2B0BwmjVX5MoIKCGQf07foYKtDXD9QzMg5F77NOjARKFLbrkW54YtaJRofxcGqOUUKyOHWW1wOUl36oypDIkTidyHa0GAEtuxmcEIir%2Be9zlbVEFJ5Qs9QcdoQhYzIXF71izidHXIgIpBSlzOT58upXX7GxtXjYyeN990QHN0Ub6hXyvmRLC%2BMT1NpoVd7fFaKdApuUWeX45YkYGR5QGWh6F55aQ0e63G%2B%2FBEGtz3eqEdMXCKTB1W%2Be0HzeyD%2FZrc8TXtjY46NNFwQK77o8m3j2hlM4Vy8qRyITgooy253%2FoiN%2Bk9JYiNkEbKVhZqdoHl%2Fi5FVUhZevZuMPZ%2Bku2ibf4f7GnEk5spbvG7w9W56X1P%2FNOCzSit9tqYg8KQe0Ps40DQ0E36CXNHJ4x%2F%2FaSyjYRx7BHqqaDjEZsrtJwjP4LNEYIT9LGK%2FkRZvUeRynnwqt1BcprtohtsBMckz8Fg7Ax%2B%2FoCbsk0CbfB1Vc%2Fqd1aPJjjQo945wPOhNsui4tIGY9WsHn8vQf8YIFuOd6uu%2Bcjm6C8jaM3vGDfIOfX2EXFF1MIgcCQe0UYijVFWskjZYbWCpHtHew6kDQzVgWYqqRfNTZfNC36HHXulV0I7TrnYTW2kic2pO2LSJQA3hFDzPYs0UXnVP8rVHcHDSmvxowotjpzAY6sAGAfVCbIxQhi42Rx52ZQfMNAaazX%2FNQtKwBEduYnAUGnm7dPNlfINZ4CdBOauXkX78%2B5fijk1sXuBNvR95cz9DD6S3Ki9BXBIKG4%2FXkaRtnaxdC3H05LJqDpZN2LR8EhmNeOv2jHrwvMZffYbEC77KvLLixMu%2FmG8CQnb5SIklIte%2F84nxIcoqNRBkyeRKWHQue7bILXxRMy3rChcLlbsNS4HEi%2FUaATikfE3YWwuF7Fg%3D%3D&X-Amz-Signature=63d6cc4b5bca5408b0e6eef9feb212eebada588081464cab538b94aec54c9c5d&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 |