Table 1 Antibacterial activity of lead-free perovskite KCsSnI1.7Cl1.3 at various concentrations (100, 200, and 400 ppm) at 37 °C, both in the dark (black numerals) and under UV light (red numerals). The table presents the corresponding Inhibition zones for Gram-negative and Gram-positive bacteria.
Observation no. | Concentration of nanomaterial (ppm) | Diameter of the inhibition zones (mm) (In dark/under UV) | |||
|---|---|---|---|---|---|
Bacteria | |||||
Gram (−) | Gram (+) | ||||
E. coli | Salmonel sp. | B. subtilis | S. aureus | ||
1 | 400 | 15/28 | 14/27 | 17/35 | 16/31 |
2 | 200 | 12/25 | 11/21 | 14/29 | 13/28 |
3 | 100 | 10/18 | 9/15 | 11/21 | 11/24 |
