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Synthesis of High Luminescence Efficiency Nanosized Ca2SiO4:Eu2+ Phosphor Powder by Liquid Phase Precursor Technique

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Abstract

A high luminescence efficiency nanosized Ca2SiO4:Eu2+ (n-Ca2SiO4:Eu2+) phosphor powder has been synthesized from the nanosized precursor material using a new liquid phase precursor technique. Nanosized (≈100 nm) precursor materials were obtained after ball-mill treatment using various solvents. The synthesized Ca2SiO4:Eu2+ phosphor powder showed monoclinic structure with P21/n (number 14) space group. The n-Ca2SiO4:Eu2+ powder exhibited a broad excitation spectrum extending from 225 to 450 nm and highest excitation and emission peaks were located at ~365 and 502 nm due to the 4f65d1–4f7 (8S7/2) energy transitions of Eu2+. The emission intensity of the n-Ca2SiO4:Eu2+ powder synthesized by ball mill treatment using acetone and oleic acid was almost comparable (0.85) with the standard phosphor (P46-YAG; λ ex = 450 nm).

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Acknowledgments

This research was supported by the MSIP (Ministry of Science, ICT and Future Planning), Korea, under the ITRC (Information Technology Research Center) support program NIPA-2013-(H0301-13-1004) supervised by the NIPA (National IT Industry Promotion Agency).

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Authors and Affiliations

  1. School of Advanced Material Science and Engineering, Sungkyunkwan University, Suwon, 440-746, Korea

    Deok Su Jo, Karuppanan Senthil & Dae Ho Yoon

  2. SKKU Advanced Institute of Nanotechnology (SAINT), Sungkyunkwan University, Suwon, 440-746, Korea

    Ho Kyoon Chung & Dae Ho Yoon

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  1. Deok Su Jo
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  2. Karuppanan Senthil
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  3. Ho Kyoon Chung
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  4. Dae Ho Yoon
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Correspondence to Karuppanan Senthil or Dae Ho Yoon.

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Jo, D.S., Senthil, K., Chung, H.K. et al. Synthesis of High Luminescence Efficiency Nanosized Ca2SiO4:Eu2+ Phosphor Powder by Liquid Phase Precursor Technique. MAPAN 28, 321–325 (2013). https://doi.org/10.1007/s12647-013-0090-9

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  • DOI: https://doi.org/10.1007/s12647-013-0090-9

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