Fluorescence enhancement of single-phase red-blue emitting Ba₃MgSi₂O₈:Eu²⁺,Mn²⁺ phosphors via Dy³⁺ addition for plant cultivation

Abstract

Fluorescence enhancement of red and blue concurrently emitting Ba₃MgSi₂O₈:Eu²⁺,Mn²⁺ phosphors for plant cultivation has been investigated by Dy³⁺ addition. The Ba₃MgSi₂O₈:Eu²⁺,Mn²⁺,Dy³⁺(BMS-EMD) phosphors have two-color emissions at the wavelength peak values of 437 nm and 620 nm at the excitation of 350 nm. The two emission bands are coincident with the absorption spectrum for photosynthesis of plants. An obvious enhancement effect has been observed upon addition of Dy³⁺ with amount of 0.03 mol%, in which the intensities of both blue and red bands reach a maximum. The origin of red and blue emission bands is analysed. The photochromic parameters of the samples at the nearly UV excitation are tested. This fluoresence enhancement is of great significance for special solid state lighting equipment used in plant cultivation.

Keywords

Fluorescence Enhancement / Apply Physic Letter / Blue Emission Band / Material Research Bulletin / Spectrum Power Distribution

References

[1] MengkaiL., HaipingZ., ZhiliangX.. Materials Research Bulletin|Materials Research Bulletin, 2007, 42: 1145

[2] OkamotoK., YanagiT., TakitaS.. Acta Hortic, 1996, 440: 111

[3] TanakaM., TakamuraT., WatanabeH.. Journal of Horticultural Science & Biotechnology, 1998, 73: 39

[4] MaL, WangD J, MaoZY. Applied Physics Letters, 2008, 93: 14410

[5] MaL., WangD. J., ZhangH. M.. Electrochemical and Solid State Letters, 2008, 11: E1

[6] UmetsuY., OkamotoS., YamamotoH.. Journal of the Electrochemical Society, 2008, 155: J193

[7] LinY.H., TangZ. L., ZhangZ. T.. Journal of Alloys and Compounds, 2003, 348: 76

[8] AlvaniA.A.S., MoztarzadehF., SarabiA.A.. Journal of Luminescence, 2005, 114: 131

[9] VanuitertL.G.. Journal of Luminescence, 1984, 29: 1

[10] LakshminarasimhanN., VaradarajuU.V.. Journal of the Electrochemical Society, 2005, 152: H152

[11] Aitasalo T, Hietikko A, Holsa J, Zeitschrift Fur Kristallogr aphie, (2007), 461.

[12] ShannonR. D., PrewittC. T.. Acta Crystallographica Section B-Structural Crystallography and Crystal Chemistry, 1969, B25: 925

[13] ShannonR. D., PrewittC. T.. Acta Crystallographica Section B-Structural Crystallography and Crystal Chemistry, 1970, B26: 1046

[14] MooreP. B., ArakiT.. American Mineralogist, 1972, 57: 1355

[15] Kim J S, Jeon P E, Park Y H, Applied Physics Letters, 85 (2004), 3696.