Dual Colorimetric and Fluorescent Authentication Based on Semiconducting Polymer Dots for Anticounterfeiting Applications

Wei Kai Tsai, Yung Sheng Lai, Po Jung Tseng, Chia Hsien Liao, Yang-Hsiang Chan*

*此作品的通信作者

研究成果: Article同行評審

67 引文 斯高帕斯(Scopus)

摘要

Semiconducting polymer dots (Pdots) have recently emerged as a novel type of ultrabright fluorescent probes that can be widely used in analytical sensing and material science. Here, we developed a dual visual reagent based on Pdots for anticounterfeiting applications. We first designed and synthesized two types of photoswitchable Pdots by incorporating photochromic dyes with multicolor semiconducting polymers to modulate their emission intensities and wavelengths. The resulting full-color Pdot assays showed that the colorimetric and fluorescent dual-readout abilities enabled the Pdots to serve as an anticounterfeiting reagent with low background interference. We also doped these Pdots into flexible substrates and prepared these Pdots as inks for pen handwriting as well as inkjet printing. We further applied this reagent in printing paper and checks for high-security anticounterfeiting purposes. We believe that this dual-readout method based on Pdots will create a new avenue for developing new generations of anticounterfeiting technologies.

原文English
頁(從 - 到)30918-30924
頁數7
期刊ACS Applied Materials and Interfaces
9
發行號36
DOIs
出版狀態Published - 13 9月 2017

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