Cr-activated phosphor-converted light sources have attracted widespread attention in various applications based on Near-infrared (NIR) spectroscopy. Unfortunately, Cr ions usually face the issue of multivalence and typically exist in valence... Click to show full abstract
Cr-activated phosphor-converted light sources have attracted widespread attention in various applications based on Near-infrared (NIR) spectroscopy. Unfortunately, Cr ions usually face the issue of multivalence and typically exist in valence...
               
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