Diacetylene-Zinc(II)-Zinc Oxide Nanocomposites for Colorimetric Detection of Ultraviolet-A Light
Issued Date
2022-09-23
Resource Type
eISSN
25740970
Scopus ID
2-s2.0-85137286720
Journal Title
ACS Applied Nano Materials
Volume
5
Issue
9
Start Page
13198
End Page
13207
Rights Holder(s)
SCOPUS
Bibliographic Citation
ACS Applied Nano Materials Vol.5 No.9 (2022) , 13198-13207
Suggested Citation
Siriboon J., Traiphol N., Traiphol R. Diacetylene-Zinc(II)-Zinc Oxide Nanocomposites for Colorimetric Detection of Ultraviolet-A Light. ACS Applied Nano Materials Vol.5 No.9 (2022) , 13198-13207. 13207. doi:10.1021/acsanm.2c02914 Retrieved from: https://repository.li.mahidol.ac.th/handle/20.500.14594/85074
Title
Diacetylene-Zinc(II)-Zinc Oxide Nanocomposites for Colorimetric Detection of Ultraviolet-A Light
Author(s)
Other Contributor(s)
Abstract
Polydiacetylenes (PDAs) have received widespread attention as chromatic sensors of various stimuli. The utilization of PDA materials for detecting ultraviolet-A (UVA) light, however, is quite rare. This study introduces a facile approach for enhancing the UVA-responsive property of PDAs. The incorporation of zinc oxide (ZnO) nanoparticles into the assemblies of diacetylene monomers, 10,12-pentacosadiynoic acid (PCDA), creates PCDA/Zn2+/ZnO nanocomposites. We have found that the nanocomposites change from colorless to blue upon exposure to UVA light. The intensity of blue color systematically increases with the UVA dose. The sensitivity to UVA light can be enhanced by increasing the ZnO ratios within the nanocomposites. Various types of UVA colorimetric sensors can be fabricated by incorporating the nanocomposites into a filter paper, hydrogel, and coconut oil. Interestingly, coconut oil-based sensors exhibit a color transition from colorless to blue with increasing UVA dose in sunlight from 0 to 50 J/cm2. This property allows their utilization for colorimetric detection of minimal erythema dose of UVA light, 33.27 J/cm2, for all skin types of normal people. The preparation of the nanocomposites is simple and cheap, suitable for large-scale production. The nanocomposites can be further developed for colorimetric detection of UVA radiation from sunbeds tanning, phototesting, and UV curing applications.