Journal
MATERIALS RESEARCH BULLETIN
Volume 86, Issue -, Pages 57-62Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.materresbull.2016.10.007
Keywords
Photoluminescence; Phosphor; BaSnF6:Mn4+; Formation mechanism
Categories
Funding
- National Natural Science Foundation of China [51572200, 51102185]
- Zhejiang Province [Y16E020041]
- Public Industrial Technology Research Project of Zhejiang Province [2015C31142]
- Public Industrial Technology Research Project of Wenzhou City [G20140040]
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A red phosphor BaSnF6:Mn4+ has been prepared by etching Sn metal in solution including BaF2, HF, and K2MnF6 at room temperature under continuous stirring for several hours, which is a highly efficient strategy for synthesis of Me doped complex fluorides. The phase identification, thermal stability, and structure of the phosphor BaSnF6:Mn4+ have been investigated by XRD, TG-DSC, and IR, respectively. Broad and intense absorption in blue region and high thermal stability makes the phosphor BaSnF6:Mn4+ a competent candidate for application in InGaN - YAG:Ce type white LEDs (WLEDs) with high color rendering index (CRI). The WLED fabricated with YAG:Ce and BaSnF6:Mn4+ exhibits warm white light with CRI of 83.6 and correlated color temperature (CCT) at 3576K, which indicates promising application in indoor solid-lighting. (C) 2016 Elsevier Ltd. All rights reserved.
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