Abstract
Surface plasmon resonance is applied for sensing concentrations of ammonia in air, using a thin bromo-cresol purple layer as a chemo-optical interface. The sensor shows a dynamic range of 0.5–15 mbar, a resolution of about 5% and a response time smaller than 1 min.
Original language | English |
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Pages (from-to) | 449-452 |
Number of pages | 4 |
Journal | Sensors and Actuators A: Physical |
Volume | 26 |
Issue number | 1-3 |
DOIs | |
Publication status | Published - 1991 |