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Internet of Things and Trillion Sensors are buzzwords illustrating the path towards the next grand paradigm: Smart Everywhere. In many of those realizations long term autonomy of sensor systems is a must to tackle different societal challenges and innovation scenarios. Microenergy autonomy solutions based on energy harvesting offer a promising way in which silicon technology and silicon friendly materials...
The objective of this work is to develop a ZnO conductometric gas sensor to monitor two key pollutants in indoor environments: benzene and formaldehyde. Conductometric sensors are widely used for this purpose. The final aim of the sensor is to be integrated in an air quality measuring system connected to the HVAC (Heat Ventilation and Air Conditioning) system so that ventilation is activated according...
The aim of this work is to implement a series of novel multiparametric techniques based on micro-nanotechnology to evaluate the quality of natural gas. Two low cost sensors have been fabricated by thin film technology and tested under different natural gas compositions. A thermal conductivity sensor to determine the MN of the gas, and a SAW sensor, which detects the change on gas viscosity, to calculate...
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