Fabrication of Ir nanoparticle-based biosensors by plasma electrochemical reduction for enzyme-free detection of hydrogen peroxide

- A new plasma-based technique for the synthesis of Ir nanoparticles is presented.
- The synthesized Ir nanoparticles are free of metallic impurities.
- Electrochemical sensing of hydrogen peroxide is demonstrated.
- The technique is suitable for single-step fabrication of flexible biosensors.