Electro-Mechano-Optical Luminescence from CaYAl3O7:Ce
Electro-Mechano-Optical Luminescence from CaYAl3O7:Ce
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DOI:
10.1149/2.012111esl
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发表时间:
2011
影响因子:
--
通讯作者:
Hongwu Zhang;Chao‐Nan Xu;N. Terasaki;Hiroshi Yamada
中科院分区:
文献类型:
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作者:
Hongwu Zhang;Chao‐Nan Xu;N. Terasaki;Hiroshi Yamada
Blue emission from CaYAl 3 O 7: Ce (CYACe) excited by thermal, electronic and mechanical energy is reported in this letter. This finding may be applied as a guide in designing self-power optical sensors with direct applications inpharmacology, in situ biomedical monitoring and diagnostics. The results revealed that the emission bands of afterglow (AG), electroluminescence (EL) and mechanoluminescence (ML) are similar, located at 421 nm, which indicated that all the emissions are emitted from the same center of Ce 3+. Furthermore, we can explain the electro-mechano-optical luminescence of CYACe using a model of the excitation of trapped electrons released by different energy sources