ArticleResearch (Washington, D.C.)2022
High-Precision Colorimetric Sensing by Dynamic Tracking of Solvent Diffusion in Hollow-Sphere Photonic Crystals.
Article in Research (Washington, D.C.), 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed.
- A Biomimetic Solvatochromic Chip With Optimized Chemical Diversity for On-Site Liquid Identification.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2026Article
- Optofluidic paper-based analytical device for discriminative detection of organic substances via digital color coding.Microsystems & nanoengineering · 2025Article
- Molecular Merged Hypergraph Neural Network for Explainable Solvation Gibbs Free Energy Prediction.Research (Washington, D.C.) · 2025Article
- Multimodal, Multiband, and Multiple Anticounterfeiting Devices with Angle-Dependent Structural Color Highly Sensitive to Temperature.Research (Washington, D.C.) · 2025Article
- Recent progress in low-swellable polymer-based smart photonic crystal sensors.Smart molecules : open access · 2023Review
- Non-gelated polymeric photonic crystal films.Frontiers in chemistry · 2022Article
Corrections and comments
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Authors and funding
6 authors.
Funding
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Abstract
Expensive instruments and complicated data processing are often required to discriminate solvents with similar structures and properties. Colorimetric sensors with high selectivity, low cost, and good portability are highly desirable to simplify such detection tasks. Herein, we report the fabrication of a photonic crystal sensor based on the self-assembled resorcinol formaldehyde (RF) hollow spheres to realize colorimetric sensing of polar solvents, including homologs and isomers based on the saturated diffusion time. The diffusion of solvent molecules through the photonic crystal film exhibits a unique three-step diffusion profile accompanied by a dynamic color change, as determined by the physicochemical properties of the solvent molecules and their interactions with the polymer shells, making it possible to accurately identify the solvent type based on the dynamic reflection spectra or visual perception. With its superior selectivity and sensitivity, this single-component colorimetric sensor represents a straightforward tool for convenient solvent detection and identification.
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Registered trials
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