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   Articles with "chiral nematic" as a keyword



Photopatterning Freestanding Chiral Nematic Mesoporous Organosilica Films

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recommendations! Published in 2017 at "Advanced Functional Materials"

DOI: 10.1002/adfm.201703346

Abstract: Chiral nematic mesoporous organosilica (CNMO) films are functionalized with a mixture of hydrophobic silanes and spiropyran compounds to create freestanding photochromic films that can be used for reversible photo­patterning. The mesoporosity and interconnected pore structure… read more here.

Keywords: mesoporous organosilica; chiral nematic; nematic mesoporous; freestanding chiral ... See more keywords

Tessellation of Chiral‐Nematic Cellulose Nanocrystal Films by Microtemplating

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recommendations! Published in 2019 at "Advanced Functional Materials"

DOI: 10.1002/adfm.201808518

Abstract: Powered by TCPDF (www.tcpdf.org) This material is protected by copyright and other intellectual property rights, and duplication or sale of all or part of any of the repository collections is not permitted, except that material… read more here.

Keywords: tessellation chiral; chiral nematic; films microtemplating; cellulose nanocrystal ... See more keywords

Improved Cell Adhesion on Self-Assembled Chiral Nematic Cellulose Nanocrystal Films.

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recommendations! Published in 2024 at "Macromolecular rapid communications"

DOI: 10.1002/marc.202400339

Abstract: Chirality is ubiquitous in nature, and closely related to biological phenomena. Nature-originated nanomaterials such as cellulose nanocrystals (CNCs) are able to self-assemble into hierarchical chiral nematic CNC films and impart handedness to nano and micro… read more here.

Keywords: cnc; cell adhesion; adhesion; chiral nematic ... See more keywords

Reversible Broad‐Spectrum Control of Selective Reflections of Chiral Nematic Phases by Closed‐/Open‐Type Axially Chiral Azo Dopants

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recommendations! Published in 2017 at "ChemistryOpen"

DOI: 10.1002/open.201700170

Abstract: Abstract Invited for this month's cover picture is the groups of Professor Hirotsugu Kikuchi and Dr. Yasushi Okumura at the Institute for Materials Chemistry and Engineering at Kyushu University (Japan). External dynamic control of molecular… read more here.

Keywords: chiral nematic; closed open; control; reversible broad ... See more keywords

TiO2 Films with Macroscopic Chiral Nematic-Like Structure Stabilized by Copper Promoting Light-Harvesting Capability for Hydrogen Generation.

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recommendations! Published in 2024 at "Small"

DOI: 10.1002/smll.202402211

Abstract: Cellulose nanocrystals (CNCs) have inspired the synthesis of various advanced nanomaterials, opening opportunities for different applications. However, a simple and robust approach for transferring the long-range chiral nematic nanostructures into TiO2 photocatalyst is still fancy.… read more here.

Keywords: hydrogen generation; structure; chiral nematic; copper ... See more keywords

Chiral nematic assemblies of silver nanoparticles in cellulose nanocrystal membrane with tunable optical properties

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recommendations! Published in 2019 at "Journal of Materials Science"

DOI: 10.1007/s10853-019-03321-1

Abstract: Cellulose nanocrystals (CNCs) possessing chiral nematic structures have been developed as liquid crystal templates for optical materials and devices. These templates provide materials with advanced structural and optical properties, leading to numerous promising discoveries of… read more here.

Keywords: silver nanoparticles; chiral nematic; optical properties; properties chiral ... See more keywords

Optically active polyaniline film based on cellulose nanocrystals.

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recommendations! Published in 2019 at "Carbohydrate polymers"

DOI: 10.1016/j.carbpol.2018.12.091

Abstract: Chiral transfer from cellulose nanocrystals (CNCs) chiral nematic liquid crystal to polyaniline (PANI) is successfully achieved through co-assembly method for the first time, affording the PANI film based on CNCs optical activity. Meanwhile, the CNCs/PANI… read more here.

Keywords: chiral nematic; pani; film based; cellulose nanocrystals ... See more keywords

Photonic titanium dioxide film obtained from hard template with chiral nematic structure for environmental application

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recommendations! Published in 2019 at "Catalysis Today"

DOI: 10.1016/j.cattod.2019.01.030

Abstract: Abstract In the present work, mesoporous TiO2 with a photonic structure was elaborated using cellulose nanocrystals (CNCs) as a biotemplate by two-step hard template methods. This strategy enables to replicate the chiral nematic (CN) structure… read more here.

Keywords: nematic structure; photonic titanium; structure; chiral nematic ... See more keywords

Reduced power consumption in nickel zinc ferrite nanoparticles doped blue phase chiral nematic liquid crystal devices

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recommendations! Published in 2019 at "Journal of Molecular Liquids"

DOI: 10.1016/j.molliq.2019.02.098

Abstract: Abstract The effect of nickel zinc ferrite (NZFO (Ni0.5Zn0.5Fe2O4)) nanoparticles in reducing the threshold voltage of blue phase (BP) in chiral nematic liquid crystal (CNLC) was studied at room temperature. Due to low concentration selected… read more here.

Keywords: phase chiral; nickel zinc; cnlc; blue phase ... See more keywords
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A robust and inexpensive all optical switch with chiral nematic liquid crystal

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recommendations! Published in 2021 at "Optical Materials"

DOI: 10.1016/j.optmat.2021.111306

Abstract: Abstract A switchable photonic band gap with optical addressing is demonstrated. The switch can tune over a broad wavelength range (about 80 nm) without deformation and degradation with high reproducibility. The material is a mixture of… read more here.

Keywords: switch chiral; optical switch; robust inexpensive; chiral nematic ... See more keywords

Preparation and chiroptical properties of cellulose chlorophenylcarbamate–silica hybrids having a chiral nematic mesomorphic structure

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recommendations! Published in 2019 at "Polymer"

DOI: 10.1016/j.polymer.2019.04.049

Abstract: Abstract An attempt was made to fabricate optically functional cellulosic–silica hybrid materials wherein a helically ordered mesomorphic structure of the cellulosic component was fixed. Cellulose 3-chlorophenylcarbamate (3Cl-CPC) and cellulose 4-chlorophenylcarbamate (4Cl-CPC) were synthesized by carbanilating… read more here.

Keywords: cellulose chlorophenylcarbamate; silica; cpc; chiral nematic ... See more keywords