Fig. 2: ASE and stability characterizations. | Light: Science & Applications

Fig. 2: ASE and stability characterizations.

From: Break-through amplified spontaneous emission with ultra-low threshold in perovskite via synergetic moisture and BHT dual strategies

Fig. 2: ASE and stability characterizations.

Time evolution ASE spectra of a pristine MAPbI3 @95% RH and b MAPbI3+4% BHT @95%RH in 120 min. c Emission spectra under different pump energy and d ASE threshold of the champion film. e Comparisons of the ASE threshold of the champion film with other reported perovskites. f ASE intensities of pristine MAPbI3 and champion films illuminated continuously for 120 min with the pump density of 720 μJ cm⁻2

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