Developing Light-Emitting Plants (LEPs) with SrAl2O4: Eu2+, Dy3+ by Using Pressure Infiltration, Optimal Conditions for Glowing and Plant Stress Response

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Author list: Hematulin S.; Krobthong S.; Yingchutrakul Y.; Tachapermpon Y.; Treesubsuntorn C.

Publisher: Wiley

Publication year: 2025

Journal acronym: Chemistry & Biodiversity

ISSN: 1612-1872

eISSN: 1612-1880

URL: https://www.scopus.com/inward/record.uri?eid=2-s2.0-105002460410&doi=10.1002%2fcbdv.202500071&partnerID=40&md5=7d81aa1a9cfeef18c424a0cde252e23c

Languages: English-Great Britain (EN-GB)

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Abstract

Developing light-emitting plants (LEPs) using SrAl2O4 has been working for the past few years because SrAl2O4 is a phosphorescent material with long-lasting and bright glowing properties. The six plant species (Episcia cupreata, Tabebuia argentea, Syngonium hybrid, Mimusops elengi, Schefflera arboricola, and Pilea cadierei) were infused with SrAl2O4, which has a particle size of 2.7 µm. The E. cupreata exhibited the highest phosphorescence (a relative phosphorescence value of 36.93) compared to other plant species. The optimal pressure to infuse SrAl2O4 into the plant is 7 × 104 N/m2 exposed for 60 min while 17.5 g/L SrAl2O4 is the best concentration. After infusion, the plants did not show physical abnormalities. However, the amount of MDA and antioxidants in plants was increased. Based on metabolomics analysis, SrAl2O4 might stress plants, but plants might be able to respond by producing antioxidant compounds. Therefore, using SrAl2O4 to LEPs did not kill the plants and provided high light output. © 2025 Wiley-VHCA AG, Zurich, Switzerland.

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