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Silicate orange yellow phosphor used in white-light LED was prepared by microwave method. The structure and optical properties of phosphor were studied. Sr3SiO5∶Eu2+ phosphor synthesized by microwave method is tetragonal structure of Sr3SiO5 with uniform particle distribution. Luminescence spectrum is a broad band spectrum peaking at 575 nm. The peak of excitation is at 532 nm and phosphor can be excited by blue LED. The warm white light was obtained combined phosphor and blue LED. The CIE chromaticity coordinates and correlated color temperature of white light is (x=0.394, y=0.341) and 3 239 K respectively. 相似文献
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