Abstract
Surface plasmon resonance (SPR) sensors are extensively used with refractive index and temperature sensing. A novel SPR sensor for temperature measurement is proposed in this paper. A novel two-dimensional material Tungsten disulfide is used to improve the sensitivity of this temperature sensor. Polydimethylsiloxane covers the sensing area to better sense changes in external temperature. The experimental results show that the SPR sensor can measure the temperature range of 30 °C − 100 °C with a temperature sensitivity of 2.03 nm/°C. This sensor has the merits of a simple structure, low manufacturing process cost, a broad range of detection, and high sensitivity compared to other temperature sensors. Therefore, the sensor has great potential for future applications in environmental monitoring, biomedicine, the food industry, and other production activities.
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