Tin-silica-silver composite nanoparticles for medium-to-high temperature volumetric absorption solar collectors

  • Jia Zeng
  • , Yimin Xuan
  • , Huiling Duan

Research output: Contribution to journalArticlepeer-review

48 Scopus citations

Abstract

Volumetric absorption, which requires media with good optical and thermal properties, is a promising technology for solar collectors. An advanced composite core/shell nanostructure, which can be used for the integration of sunlight harvest and energy storage, is reported in this paper. The composite core/shell nanoparticles are composed by Sn, SiO2 and Ag. Sn material is used for thermal energy storage through phase change, and SiO2 provides containment. Ag shell can improve light absorption of nanoparticles due to the localized surface plasmon resonance (LSPR) effect. Compared with pure nanoparticles, the Sn/SiO2/Ag composite nanoparticles have good abilities of both optical absorption and thermal energy storage, which can improve the performance of volumetric absorption solar collectors at medium to high temperature.

Original languageEnglish
Pages (from-to)930-936
Number of pages7
JournalSolar Energy Materials and Solar Cells
Volume157
DOIs
StatePublished - 1 Dec 2016

Keywords

  • Composite nanoparticle
  • Optical absorption
  • Thermal energy storage
  • Volumetric absorption solar collector

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