Thermoplasmonics-assisted nanoheterostructured Au-decorated CuInS2 nanoparticles: Matching solar spectrum absorption and its application on selective distillation of non-polar solvent systems by thermal solar energy

Yu Ting Yen, Chia Wei Chen, Ming Fang, Yu Ze Chen, Chih Chung Lai, Cheng Hung Hsu, Yi Chung Wang, Hao Lin, Chang Hong Shen, Jia Min Shieh, Johnny C. Ho, Yu Lun Chueh

Research output: Contribution to journalArticlepeer-review

18 Citations (Scopus)

Abstract

In this work, enhanced broadband solar spectrum absorption and solar-thermal conversion efficiency (~ 8%) has realized and reported by Au-decorated CuInS2 nanoparticles, namely Au@CIS NPs. The morphologies, compositions and absorptions were characterized by high resolution transmission electron microscopy (HR-TEM), UV-vis spectrometer and Finite-Difference Time-Domain (FDTD) numeric methods. The Au@CIS NPs shows a distinguished absorption perfectly matching AM1.5G solar spectrum, compared with pure Au, CIS and CIS-Au mixture nanoparticles (NPs) owing to near field plasmonic-assisted effect. In addition, the Au@CIS NPs proves its practical applications on selective distillation in non-polar solvent systems, for which the selective distillation of methylcyclohexane from toluene as an example was demonstrated. The approach can evoke future developments of plasmonic-assisted heterostructure in nanoscale for thermal solar energy harvesting application.

Original languageEnglish
Pages (from-to)470-478
Number of pages9
JournalNano Energy
Volume15
DOIs
Publication statusPublished - Jul 1 2015
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Renewable Energy, Sustainability and the Environment
  • Materials Science(all)
  • Electrical and Electronic Engineering

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