A red-emitting phosphor Ba2HfF8:Mn4+ with a strengthened zero phonon line of Mn4+ for displays
A red-emitting phosphor Ba2HfF8:Mn4+ with a strengthened zero phonon line of Mn4+ for displays
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用于显示器的具有强化零声子线 Mn4 的 Ba2HfF8:Mn4 红光荧光粉
DOI:
10.1016/j.optmat.2020.110091
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发表时间:
2020-09
影响因子:
3.9
通讯作者:
Zhengliang Wang
中科院分区:
文献类型:
--
作者:
Hong Li;Zhaofeng Yang;Lijun Luo;Qin Wang;Yu Chen;Meizhu Rong;Qiang Zhou;Zhengliang Wang
Herein, a red-emitting phosphor Ba2HfF8:Mn4+was successfully synthesized by the hydrothermal method. This phosphor is of the similar orthorhombic structure with that of Ba2ZrF8:Mn4+confirmed by the Rietveld refinement. The as-prepared Ba2HfF8:Mn4+exhibits excellent red emission with a strengthened zero phonon line of Mn4+under the blue-light excitation, indicating that Mn4+experiences the low symmetry environment in this phosphor. Meanwhile, Mn4+in the sample Ba2HfF8:Mn4+(8.7 mol%) has the shorter decay time, compared with that in some hexafluoride phosphors. The white light-emitting diode (wLED) based on Ba2HfF8:Mn4+(8.7 mol%) and Y3Al5O12:Ce3+presents the excellent photoelectric performances with wide color gamut. So, Ba2HfF8:Mn4+as a new red phosphor could find potential application on the backlight for displays.
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影响因子:
3.9
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通讯作者:
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影响因子:
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影响因子:
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