Text this: Photodegradation rate constants of the Co<sub>3</sub>O<sub>4</sub> and CoFe<sub>2</sub>O<sub>4</sub> NPs and Co<sub>3</sub>O<sub>4</sub>@P3HB and CoFe<sub>2</sub>O<sub>4</sub>@P3HB hybrid films after 15 minutes of sunlight exposure.