Visible-light Regulated Luminescent Switch Based on Spiropyran-derived Pt(II) Complex for Advanced Anti-counterfeiting Materials
Abstract
A dual optical switch regulated by visible light has been developed through an integrated strategy, including luminescent Pt(II) and photochromic spiropyran (SP) as triplet-sensitizers and photo-regulator building blocks, respectively. The efficient Förster resonance energy transfer (FRET) process is achieved, along with apparent and emissive color changes under visible light irradiation and temperature stimuli, which was utilized to develop advanced anti-counterfeiting materials.
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