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- W4386021948 abstract "We report nanoscale organic light-emitting diodes (OLEDs) arranged periodically into a large-area array, which produces an amplified emission with a selected spectrum in a narrow band. These nano-OLEDs share a common active layer of super yellow light-emitting PPV copolymer (SY-PPV), which acts both as a waveguide and as a gain channel for the light-emitting signals. The periodic structure supplies Bragg-like diffraction of the emission from SY-PPV under electrical excitation so that the electroluminescence signal is coupled into and confined in the SY-PPV waveguide. During propagation, the waveguide resonance mode interacts with the nano-OLED region and gains amplification. Both the waveguide resonance mode and the output coupling process have strong spectral selectivity, so that the amplification is observed within a spectrum as narrow as 32 nm at FWHM. Such a nano-OLED design not only defines a new scheme of nano-OLEDs, but also proposes potential approaches for electrically pumped organic lasers." @default.
- W4386021948 created "2023-08-22" @default.
- W4386021948 creator A5001937247 @default.
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- W4386021948 date "2023-08-21" @default.
- W4386021948 modified "2023-09-26" @default.
- W4386021948 title "Selective Gain in a Periodic Array of Nano-organic Light-Emitting Diodes" @default.
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- W4386021948 doi "https://doi.org/10.1021/acs.jpclett.3c01913" @default.
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