A Scalable Dealloying Technique to Create Thermally Stable Plasmonic Nickel Selective Solar Absorbers

Meijie Chen, Jyotirmoy Mandal, Qin Ye, Aijun Li, Qian Cheng, Tianyao Gong, Tianwei Jin, Yurong He, Nanfang Yu, Yuan Yang

Research output: Contribution to journalArticlepeer-review

29 Scopus citations

Abstract

The single-element-based selective solar absorber (SSA) is attractive as it does not suffer from mismatched thermal expansion and consequent performance degradation in composite selective solar absorbers. In this report, a simple and scalable dealloying method is demonstrated for fabricating SSAs with high durability. The porous nickel SSAs prepared through this technique not only exhibit an applicable solar absorptance/thermal emittance (0.93/0.12 or 0.88/0.08) without the aid of antireflection coatings but also show an excellent thermal stability up to 200 °C in air over prolonged periods. Furthermore, the dealloying technique shows great tunable performance for the selective absorption of metal absorber, which can be used to fabricate the porous metallic structures for various working conditions.

Original languageEnglish (US)
Pages (from-to)6551-6557
Number of pages7
JournalACS Applied Energy Materials
Volume2
Issue number9
DOIs
StatePublished - Sep 23 2019
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Chemical Engineering (miscellaneous)
  • Energy Engineering and Power Technology
  • Electrochemistry
  • Materials Chemistry
  • Electrical and Electronic Engineering

Keywords

  • dealloying
  • nanoporous
  • nickel
  • plasmonic
  • solar selective absorber

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