The application of non‐Cd quantum dots in future display technologies is promising due to their environmental friendliness. However, their low efficiency and broad emission linewidth limit their practical usage. Here, we report the fabrication of ZnSeTe quantum dots based blue light emitting diode (QLED) with different amounts of Te doping and top‐emitting structure. By regulating the thickness of the electron transport layer, we achieve electrical and optical balance control in QLED. Ultimately, we obtain a blue QLED with a emission wavelength of 461 nm, a current efficiency of 5.8 cd/A and a pure blue chromaticity coordinates of (0.13, 0.08).
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Shi et al. (2024) studied this question.
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