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<p>Pure La<sub>2</sub>O<sub>3</sub> phosphors have been synthesized by environment friendly and cost-effective green synthesis method using orange juice. The prepared samples were analyzed by various characterization methods. The luminescence property of pure La<sub>2</sub>O<sub>3</sub> samples with different concentrations of orange juice was analyzed by photoluminescence (PL) technique. The PL excitation spectrum of the prepared sample shows a broad excitation band centered at 371&#xa0;nm. Under 371&#xa0;nm excitation, the PL emission spectra show a broad emission band from 415&#xa0;nm to 650&#xa0;nm. The emission bands covered the blue, green and yellow color regions. The CIE chromaticity diagram shows the coordinate near the white color region. The experimental results show that the prepared La<sub>2</sub>O<sub>3</sub> phosphors are very promising for future investigations in the field of lighting and display devices.</p>

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Biogenic synthesis of novel La2O3 nanoparticles using orange juice: single host for two colors emission for WLED

  • 期刊论文

  • 发表日期：

    2025年8月20日

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  • Praful P. Khode,
  • Yatish R. Parauha,
  • Naumov G. Nikolay,
  • S. J. Dhoble

摘要

Pure La2O3 phosphors have been synthesized by environment friendly and cost-effective green synthesis method using orange juice. The prepared samples were analyzed by various characterization methods. The luminescence property of pure La2O3 samples with different concentrations of orange juice was analyzed by photoluminescence (PL) technique. The PL excitation spectrum of the prepared sample shows a broad excitation band centered at 371 nm. Under 371 nm excitation, the PL emission spectra show a broad emission band from 415 nm to 650 nm. The emission bands covered the blue, green and yellow color regions. The CIE chromaticity diagram shows the coordinate near the white color region. The experimental results show that the prepared La2O3 phosphors are very promising for future investigations in the field of lighting and display devices.