2026-05-07 ロイヤルメルボルン工科大学（RMIT）
RMIT University researchers have developed a new way to coat fragile surfaces, including living plant leaves, using high‑frequency sound waves to create a fine mist that can act like a plant sunscreen. Credit: RMIT University
＜関連情報＞
- https://www.rmit.edu.au/news/all-news/2026/may/plant-sunscreen
- https://www.science.org/doi/10.1126/sciadv.aee1769
常温一段階合成による高結晶性共有結合性有機骨格の任意の表面への直接コーティング Ambient one-step synthesis and direct coating of highly crystalline covalent organic frameworks on arbitrary surfaces
Javad Khosravi Farsani, Juan Pablo Cavalieri, Omid Mazaheri, Fred Junghans, […] , and Leslie Y. Yeo
Science Advances Published:6 May 2026
DOI:https://doi.org/10.1126/sciadv.aee1769
Abstract
Covalent organic frameworks (COFs) are promising materials for wide-ranging applications. Challenges with coating them onto surfaces have however limited their wider implementation in practice. We report an acoustomicrofluidic nebulization platform that enables rapid, one-step synthesis of highly crystalline COFs and their direct deposition as a coating under ambient conditions. Demonstrated with both two- and three-dimensional imine-based COFs, the method yields uniform COF films with nanometer to micrometer thicknesses, tuned simply by adjusting the nebulization time. Unlike conventional COF coating approaches, this strategy eliminates the need for any postsynthetic substrate heating or processing, thereby offering a general and scalable route for fabricating functional COF coatings on a variety of sensitive and complex substrates, including living tissue. As proof of concept, we demonstrate that COFs can constitute protective coatings on plant leaves for solar ultraviolet shielding, thus highlighting the potential of the platform to extend the deployment of COFs in real-world devices, biological systems, and environmental interfaces.
