Facile large-scale synthesis of β-Bi2O3 nanospheres as a highly efficient photocatalyst for the degradation of acetaminophen under visible light irradiation

- Facile synthesis of β-Bi2O3 nanospheres using a solvothermal-calcining route.
- Photocatalyst is β-Bi2O3 nanospheres.
- β-Bi2O3 nanospheres have visible-light photocatalytic ability to acetaminophen.
- A photocatalytic degradation mechanism of acetaminophen is proposed.