Programmable and Flexible Fluorochromic Polymer Microarrays for Information Storage

• DOI: 10.1021/acsami.2c02242
• Publication Date: 2022-05-31T16:21:19Z
• Authors: Hongyan Xia; Yuguo Ding; Jingjing Gong; Annamaria Lilienk...; Kang Xie; Mark Bradley
• Keywords: Spiropyran; Optical storage

Photoresponsive fluorochromic materials are regarded as an effective means for information storage. Their reversible changes of color and fluorescence facilitate the storage process increase possible capacity. Here, we propose optically reconfigurable Förster resonance energy transfer (FRET) to realize tunable emissions based on photochromic spiropyrans common fluorophores. The kinetics photoisomerization spiropyran FRET composite were systematically investigated. Through tuning ratios acceptor donor fluorophore external light stimuli, a programmable was developed obtain outputs. More importantly, flexible microarrays fabricated from such mixtures by inkjet printing (230 ppi) dynamic could also be applied generate in ready-made microstructures. patterns created using used novel readable media altering composition optical performance every feature within microarray. A key aspect is anti-counterfeiting, these colorful displays can integrated simple straightforward system. reliable fabrication performances large-scale polymer represent substantial step toward high-density high-security platforms.