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Cu 2+ and Cr 3+ doped borate glasses and glass-ceramics as light conversion materials for plant photosynthesis

Optical Materials, ISSN: 0925-3467, Vol: 137, Page: 113614
2023
  • 3
    Citations
  • 0
    Usage
  • 11
    Captures
  • 1
    Mentions
  • 0
    Social Media
Metric Options:   Counts1 Year3 Year

Metrics Details

  • Citations
    3
    • Citation Indexes
      3
  • Captures
    11
  • Mentions
    1
    • News Mentions
      1
      • News
        1

Most Recent News

Studies from QILU University of Technology Yield New Data on Technology (Cu2+and Cr3+doped Borate Glasses and Glass-ceramics As Light Conversion Materials for Plant Photosynthesis)

2023 APR 24 (NewsRx) -- By a News Reporter-Staff News Editor at Tech Daily News -- Investigators publish new report on Technology. According to news

Article Description

We present a kind of Cu 2+ /Cr 3+ doped borate luminescence glasses and glass-ceramics for potential indoor plant cultivation applications. These materials were prepared using a melt-quenching route and their luminescent and structural properties were investigated. The Cu 2+ in the as-obtained materials can generate blue emission under ultraviolet (UV) excitations. The Cr 3+ ions doped glasses and glass-ceramics display two intense broadband absorptions located in the UV and green light regions, also exhibit the sharp-line 2 E 2 → 4 A 2 emission and the broadband 4 T 2 → 4 A 2 luminescence. These emissions originating from Cu 2+ and Cr 3+ have blue (peaking at ∼480 nm) and far-red-emitting components (∼690–780 nm), which play a promising role in regulating the photomorphogenesis of plants. For certain base glass compositions, the crystals ZrO 2 were spontaneously precipitated during the melt quenching process and the glass-ceramics were obtained accordingly. The relative emission intensity, position of emission bands, and fluorescence decay kinetics of Cu/Cr doped borate glasses and glass-ceramics can be effectively modulated via a compositional design engineering and the variation of excitation wavelength. The excellent photoluminescence features make these glasses and glass-ceramics very promising for applications in plant growth light-emitting diodes (LEDs).

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