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- W2069967574 abstract "We report on visible and infrared electroluminescence (EL) from the light-emitting device based on Er-doped TiO2/p+-Si heterostructure. Under a forward bias voltage as low as 5.5 V, the device emits ∼1540 nm infrared light and visible light peaking at 522, 553, 564, and 663 nm, respectively, which are originated from Er3+ intra-4f transitions. It is found that the existence of sufficient oxygen vacancies in TiO2 is critical for triggering the Er-related EL. Furthermore, the energy transfer from the oxygen-vacancy-related excitons in TiO2 matrix to Er3+ ions is supposed to be responsible for the above-mentioned EL." @default.
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- W2069967574 date "2012-01-16" @default.
- W2069967574 modified "2023-09-30" @default.
- W2069967574 title "Low-voltage driven visible and infrared electroluminescence from light-emitting device based on Er-doped TiO2/<i>p</i>+-Si heterostructure" @default.
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- W2069967574 doi "https://doi.org/10.1063/1.3678026" @default.
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