The researchers observed a change in peak emission from 530 nm (green) at 0 V to 580 nm (red) at 80 V. They estimate that the external electroluminescent quantum efficiency at gate voltages of 0 V ...

However, a laser diode that directly emits green light at 520–530 nm, the desired wavelength for green, has not been found. Despite intensive research, the blend of elements that has the right ...

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