Fabrication of long-lasting multilayers of diacetylene@silica nanoparticles patterned on solids for sensory figures

Tae Kyung Won, Jinkyu Roh, Dong June Ahn

    Research output: Contribution to journalArticlepeer-review

    1 Citation (Scopus)

    Abstract

    Diacetylene (DA) vesicles were immobilized on a substrate using silica nanoparticles shell by the layer-by-layer method to develop a sensory figure multilayer. Silica nanoparticles were densely formed on the surface of the DA vesicle by surface modification and electrostatic interactions; these nanoparticles function as shell on the surface of the vesicles, enhancing the surface activity and structural stability of the vesicles. The DA-silica core–shell nanoparticles can be easily immobilized on rigid, flexible, and porous substrates. In addition, alphabet patterning was achieved by photopolymerization of the substrate on a photomask for the development of visible and fluorescent sensors. Using this polydiacetylene (PDA)-based patterning sensory figure, chemical stimuli were recognized within 5 s, signaled by a blue-to-red color change and photoluminescence. In addition, it was confirmed that the manufactured PDA-based patterning sensory figure works normally even after 3 months, and long-lasting is possible. Based on this work, the patterning technology applicable to various substrates can be applied to the development of PDA-based sensing materials for industrial field sensors.

    Original languageEnglish
    Pages (from-to)77-83
    Number of pages7
    JournalJournal of Industrial and Engineering Chemistry
    Volume114
    DOIs
    Publication statusPublished - 2022 Oct 25

    Bibliographical note

    Funding Information:
    This work was financially supported by the National Research Foundation of Korea (NRF-2021R1A2C3009955) and the Korea University Grant.

    Publisher Copyright:
    © 2022 The Korean Society of Industrial and Engineering Chemistry

    Keywords

    • Diacetylene-silica core–shell nanoparticles
    • Enhanced sensory figure
    • Immobilization
    • Layer-by-Layer (LbL)
    • Photomask patterning

    ASJC Scopus subject areas

    • General Chemical Engineering

    Fingerprint

    Dive into the research topics of 'Fabrication of long-lasting multilayers of diacetylene@silica nanoparticles patterned on solids for sensory figures'. Together they form a unique fingerprint.

    Cite this