Journal
MACROMOLECULAR RAPID COMMUNICATIONS
Volume 37, Issue 6, Pages 500-505Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/marc.201500626
Keywords
films; patterned images; photochromism; polymer dispersed liquid crystals; spiropyrans
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Funding
- PRIN [2010LKE4CC_008, PON01_00110 00110]
- POR CALABRIA FESR Asse I-Linea di Intervento 1.1.1.2-Project: SMARTLAYER
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Rewritable optical storage has been obtained in a spiropyran doped liquid crystal polymer films. Pictures can be recorded on films upon irradiation with UV light passing through a grayscale mask and they can be rapidly erased using visible light. Films present improved photosensitivity and optical contrast, good resistance to photofatigue, and high spatial resolution. These photochromic films work as a multifunctional, dynamic photosensitive material with a real-time image recording feature.
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