Synthesis of porous ZnO structure for gas sensor and photocatalytic applications

- Porous ZnO nanoparticles were synthesized with a template-free method.
- The ZnO product had a hexagonal sheet-like morphology and a narrow pore size distribution.
- The porous ZnO gas sensor exhibited a high recovery and fast response to ethanol and acetone.
- The ZnO nanoparticles exhibited excellent photocatalytic activity in degrading MO solution.