Cooling mechanism to increase solar energy harvesting for self-powered outdoor sensors

Sensors placed in the environment spend long periods of time outdoors through all weather conditions, and they must continuously power themselves in order to collect data. Many, like photovoltaic cells, use the sun to produce electricity, but powering outdoor sensors at night is a challenge. An illustration of thermoelectric devices using a wavelength-selective emitter and a broadband emitter. The device
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