Plasma-induced non-equilibrium electrochemistry synthesis of nanoparticles for solar thermal energy harvesting

McGlynn, Ruairi and Chakrabarti, Supriya and Alessi, Bruno and Moghaieb, Hussein Sayed and Maguire, Paul and Singh, Harjit and Mariotti, Davide (2020) Plasma-induced non-equilibrium electrochemistry synthesis of nanoparticles for solar thermal energy harvesting. Solar Energy, 203. pp. 37-45. ISSN 0038-092X (https://doi.org/10.1016/j.solener.2020.04.004)

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Abstract

Rapid plasma-induced non-equilibrium electrochemistry (PiNE) at atmospheric pressure was used to prepare surfactant-free gold nanoparticles and copper oxide quantum dots. A suite of chemical and physical characterisation is carried out to assess the as-prepared materials. Nanofluids comprised of these nanoparticles in ethylene glycol have been prepared. The energy absorptive properties of the prepared nanofluids were investigated as a potential additive to the traditional working fluids used in solar thermal collectors. The application feasibility has been assessed by calculating a value of power which could be transferred to the thermal fluid. This work demonstrates an alternative and rapid method to produce nanofluids for solar thermal conversion.

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