ArticleACS nano2020
Hyperspectral Imaging of Photonic Cellulose Nanocrystal Films: Structure of Local Defects and Implications for Self-Assembly Pathways.
Article in ACS nano, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
What it found
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Who cites it
9 citing papers in PubMed, 32 citations in OpenAlex.
- Near-White Circularly Polarized Luminescence by Color Mixing Utilizing Surface-Fluorophore-Modified Cellulose Nanocrystals in Composite Films.Chemistry (Weinheim an der Bergstrasse, Germany) · 2026Article
- Bendable Substrates of Cellulose Nanocrystals for Triboelectric Nanogenerators.ACS applied nano materials · 2025Article
- Elucidating nanostructural organization and photonic properties of butterfly wing scales using hyperspectral microscopy.Journal of the Royal Society, Interface · 2024Article
- Structural Color from Cellulose Nanocrystals or Chitin Nanocrystals: Self-Assembly, Optics, and Applications.Chemical reviews · 2023Review
- Responsive Regulation of Energy Transfer in Lanthanide-Doped Nanomaterials Dispersed in Chiral Nematic Structure.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2023Review
- Bioinspired Photonic Materials from Cellulose: Fabrication, Optical Analysis, and Applications.Accounts of materials research · 2023Article
- Revealing the Structural Coloration of Self-Assembled Chitin Nanocrystal Films.Advanced materials (Deerfield Beach, Fla.) · 2022Article
- Large-scale fabrication of structurally coloured cellulose nanocrystal films and effect pigments.Nature materials · 2022Article
- Environmentally Friendly, High-Performance Fire Retardant Made from Cellulose and Graphite.Polymers · 2021Article
Corrections and comments
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Authors and funding
8 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Cellulose nanocrystals (CNCs) can spontaneously assemble into chiral nematic films capable of reflecting circularly polarized light in the visible range. As many other photonic materials obtained by bottom-up approaches, CNC films often display defects that greatly impact their visual appearance. Here, we study the optical response of defects in photonic CNC films, coupling optical microscopy with hyperspectral imaging, and we compare it to optical simulations of discontinuous cholesteric structures of increasing complexity. Cross-sectional SEM observations of the film structure guided the choice of simulation parameters and showed excellent agreement with experimental optical patterns. More importantly, it strongly suggests that the last fraction of CNCs to self-assemble, upon solvent evaporation, does not undergo the typical nucleation and growth pathway, but a spinodal decomposition, an alternative self-assembly pathway so far overlooked in cast films and that can have far-reaching consequences on choices of CNC sources and assembly conditions.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.