This paper introduces a series of flexible dynamic room-temperature phosphorescence (DURTP) polymer composites illuminated by halogen-doped carbon dots (CDs). The authors demonstrate that enhancing intersystem crossing (ISC) and suppressing the activation threshold depend on the doping degree of CDs, achieving a grayscale display with the highest halogen content. Applications in grayscale-based UV photography and steganography are explored.
Publisher
Light: Science & Applications
Published On
Authors
Liu
Tags
phosphorescence
polymer composites
carbon dots
grayscale display
UV photography
steganography
intersystem crossing
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