Fig. 1: Design principles for far-UVC emission. | Nature Communications

Fig. 1: Design principles for far-UVC emission.

From: Multi-stimulated far-UVC luminescence for solar-blind imaging

Fig. 1

Step 1: Calculation of the band gap of the host crystal. Step 2: Assessment of the position and intensity of transitions from the 1S0 state of Pr3+. Step 3: Determine the lowest energy 4f5d state for the longwave boundary of far-UVC emission. Step 4: Analysis of the situation in which the transitions from the 4f5d state of Pr3+ dominate the emissions as well as the shortwave boundary of far-UVC emission.

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