Oxidative degradation of phenanthrene in the absence of light irradiatiion by hybrid ZrO2-acetylacetonate gel-derived catalyst

- Catalytic activity of a class II hybrid ZrO2-acetylacetonate gel-derived material.
- Oxidative degradation of phenantrene in aqueous solution without light irradiation.
- Free radicals formed by an intramolecular ligand-to-metal electron transfer mechanism.