Photoluminescence Property of Lu2Si2O7:Ce3+ Powder for Scintillator

Kyung-Nam Kim; Guozhong Cao

Korean Journal of Materials Research, Vol.26, No.4, 212-215, April, 2016

DOI10.3740/MRSK.2016.26.4.212 Export Citation

Photoluminescence Property of Lu2Si2O7:Ce3+ Powder for Scintillator

Kyung-Nam Kim^†, and Guozhong Cao¹

Department of Advanced Materials Engineering, Kangwon National University, Kangwon Samcheok 25913, Republic of Korea
¹Department of Materials Science and Engineering, University of Washington, Seattle, WA 98195, USA

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In this paper, cerium doped lutetium pyrosilicate (LPS) powders with cerium content (0.05 and 0.07 mol%) were prepared by sol-gel process. The formation of lutetium pyrosilicate (LPS) phase was confirmed by XRD analysis for the powders heated at 1,200 ℃; in these powders, a single phase of Lu2Si2O7 (LPS) was observed. Cerium doped lutetium pyrosilicate (LPS) powder was agglomerated and constituted of small spherical particles with diameters of about 300 nm. The photoluminescence spectra of the Lu2Si2O7:Ce3+ powders showed the characteristic of excitation and there was an emission spectrum for Ce3+ in the host of Lu2Si2O7. The emission spectrum shows a broad band in the range of 350-525 nm; the broad wavelength on the right side of the spectra should be ascribed to the same 5d-4f transitions of Ce3+, as in the case of cerium doped Lu2Si2O7 single crystals.

Keywords:LPS;scintillator;sol-gel;photoluminescence;cerium

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[1] Melcher CL, Schweitzer JS, IEEE Trans. Nucl. Sci., 39, 502 (1992)

[2] Pauwels D, Le Masson N, Viana B, Harari AK, van Loef EVD, Dorenbos P, van Eijk CWE, IEEE Trans. Nucl. Sci., 47, 1787 (2000)

[3] Pidol L, Viana B, Bessiere A, Galtayries A, Dorenbos P, Ferrand B, Mater. Sci. Forum, 555, 371 (2007)

[4] Takagi K, Fukazawa T, Appl. Phys. Lett., 42, 43 (1983)

[5] Yan CF, Zhao GJ, Hang Y, Zhang LH, Xu J, J. Cryst. Growth, 281(2-4), 411 (2005)

[6] Yan C, Zhao G, Hang Y, Zhang L, Xu J, Mater. Lett., 60, 1960 (2006)

[7] Feng H, Ding D, Li H, Lu S, Pan S, Chen X, Ren G, J. Alloy. Compd., 509, 3855 (2011)

[8] Mansuy C, Mahiou R, Nedelec JM, Chem. Mater., 15, 3242 (2003)

[9] Mansuy C, Dujardin C, Mahiou R, Nedelec JM, Opt. Mater., 31, 1334 (2009)

[10] Boyer D, Bertrand-Chadeyron G, Mahiou R, Lou L, Brioude A, Mugnier J, Opt. Mater., 16, 21 (2001)

[11] Sokolnicki J, Guzik M, Opt. Mater., 31, 826 (2009)

[12] Shin DY, Cao GZ, Kim KN, Curr. Appl. Phys., 11(1), S309 (2011)

[13] Li HL, Liu XJ, Xie RJ, Zeng Y, Hung LP, J. Am. Ceram. Soc., 87, 2536 (2006)

[14] Mansuy C, Nedelec JM, Dujardin C, Mahiou R, J. Sol-Gel Sci. Technol., 32, 253 (2004)

[15] Zhu Z, Liu B, Cheng C, Yi Y, Chen H, Gu M, Appl. Phys. Lett., 102, 071909 (2013)