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- W2368693085 abstract "Four kinds of single layer PLED devices are prepared by using MEH-PPV, PVK, MEH-PPV∶PVK and MEH-PPV∶PVK∶OXD-7 as material of emitting layer respectively in this paper. And the luminescence spectrums of the four devices are analysised based on the measured spectrograms. It is found that the spectrum of MEH-PPV is mainly concentrated on the fields of red and yellow; the spectrum range of PVK covers the whole light spectrum range, and the spectrum intensity is higher in the short wavelength region compared withthat of the long wavelength region; the spectrum range of MEH-PPV∶PVK also covers the whole light spectrum, but the brightness for the range of 500～540 nm wavelengths increases as the light wavelength increases and two kinds of models are proposed here, which can explain the unusual zone perfectly; ray intensity of short wavelength of PLEDs can be increased by adding OXD-7 because of its contribution on the transportation of electron, and by this way the energy of exciton can be improved greatly, and so ray′s brightness of short wavelength will be increased, with the result of much purer white light emitted by this type of PLED device." @default.
- W2368693085 created "2016-06-24" @default.
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- W2368693085 date "2008-01-01" @default.
- W2368693085 modified "2023-09-23" @default.
- W2368693085 title "LUMINESCENCE MECHANISM OF POLYMER LIGHT-EMITTING DEVICES WITH MEH-PPV:PVK EMITTING LAYER" @default.
- W2368693085 hasPublicationYear "2008" @default.
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