Fig. 2: The shape, size, and arrangement of QDs and their corresponding optical properties. | Light: Science & Applications

Fig. 2: The shape, size, and arrangement of QDs and their corresponding optical properties.

From: Ultra-Low Efficiency Roll-Off High Color Purity Blue Perovskite Quantum Dot LEDs with Exceeding 20% Efficiency

Fig. 2: The shape, size, and arrangement of QDs and their corresponding optical properties.

a, b The STEM images of a control QD and b EMMPF-QD. c, d The feature extraction and degree of order of c control QD and d EMMPF-QD. e, f The PL spectra of e control QD and f EMMPF-QD. g, h, The g PLQY and h time-resolved photoluminescence (TRPL) spectra of the control QD and EMMPF-QD films

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