journal article·2014Open access

Liquid Phase Precursor driven approach for the synthesis of Ca–Sr–Ba orthosilicate phosphors for white LED applications

Neetu TYAGI, Deok SU JO, Takeshi ABE, Kenji TODA, Takaki MASAKI, Dae Ho YOON

Journal of the Ceramic Society of Japan· Volume 122· Issue 1429

Abstract

Compositions of (CaSrBa) orthosilicate phosphors were prepared by Liquid Phase Precursor method. The structural phase determinations were done systematically by powder X ray diffraction and Transmission electron microscopy. The PL emission was observed under 450 and 375 nm excitation and green–red and pure green emission was observed for the 4f65d → 4f7 transition of Eu2+ ion. The luminescence nature of the samples is determined to vary with crystal field effect on the Eu2+ ion and has been studied with the change in the binary Ca–Sr, Ba–Sr and ternary Ca–Sr–Ba compositions.
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Research context

OpenAlex topics: Luminescence Properties of Advanced Materials · Glass properties and applications · Ammonia Synthesis and Nitrogen Reduction

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Affiliations

School of Advanced Materials Science & Engineering, Sungkyunkwan University

Center for Transdisciplinary Research, Graduate School of Science and Technology, Niigata University

SKKU Advanced Institute of Nanotechnology (SAINT), Sungkyunkwan University

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