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

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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.
Original languageEnglish
Pages (from-to)37 - 45
Number of pages9
JournalSolar Energy
Volume203
Early online date16 Apr 2020
DOIs
Publication statusPublished - Jun 2020

Keywords

  • Atmospheric pressure plasma
  • Copper oxide quantum dots
  • Direct absorption solar thermal collector
  • Gold nanoparticles
  • Stability

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    Davide Mariotti

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