Nanoparticles of platinum (IMAGE)
Caption
The new hydrogen sensor from Chalmers University of Technology, Sweden, is based on tiny particles of the metal platinum. The particles act as both catalysts and sensors at the same time, and the sensor is well suited to humid environments. It actually performs better the more humid it gets. (The platinum particles in this microscope image have been coloured.)
Credit
Chalmers University of Technology | Athanasios Theodoridis
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