Preparation , Characterization and Photoluminescence Properties of Ca 1 – xSrxS : Eu Red-emitting Phosphors for a White LED

@inproceedings{Sung2007PreparationC,
  title={Preparation , Characterization and Photoluminescence Properties of Ca 1 – xSrxS : Eu Red-emitting Phosphors for a White LED},
  author={Hye-Jin Sung and Young-Sik Cho and Young-Duk Huh and Young Rag Do},
  year={2007}
}
A series of Ca1–xSrxS:Eu (x = 0.0, 0.2, 0.4, 0.6, 0.8, 1.0) phosphors were synthesized by solid-state reactions. The Ca1–xSrxS:Eu phosphors have a strong absorption at 455 nm, which corresponds to the emission wavelength of a blue LED. The emission peak of Ca1–xSrxS:Eu is blue shifted from 655 to 618 nm with increasing Sr content. The characteristics of Ca1–xSrxS:Eu phosphors make them suitable for use as wavelengthtunable red-emitting phosphors for three-band white LEDs pumped by a blue LED… CONTINUE READING

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