Transparent Near-infrared Absorbing Dyes and Applications

Hyocheol Jung, Ji Eun Jeong, Sang Ho Lee, Jin Chul Kim, Young Il Park

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

Abstract

Near-infrared (NIR) absorbing dyes have been applied to various applications such as optical filters, biotechnology, energy storage and conversion, coating additive, and traditionally information-storage materials. Because image sensors used in cell-phones and digital cameras have sensitivity in the NIR region, the NIR cut-off filter is essential to achieving more clear images. As energy storage and conversion have been important, diverse NIR absorbing materials have been developed to ex-tend the absorption region to the NIR region, and NIR absorbing materials-based research has proceeded to improve device performances. Adding NIR-absorbing dye with a photo-thermal effect to a self-healable coating system has been attractive for future mobility technology, and more effective self-healing properties have been reported. In this report, the chemical structures of representative NIR-absorbing dyes and state of the art research based on NIR-absorbing dyes are introduced.

Original languageEnglish
Pages (from-to)207-212
Number of pages6
JournalApplied Chemistry for Engineering
Volume34
Issue number3
DOIs
StatePublished - Jun 2023

Keywords

  • Near-infrared (NIR)
  • NIR absorbing dyes
  • NIR cut-off filters
  • Photo-thermal effect
  • Transparent solar cells

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