Materiales

 

Materiales

High-Order Nonlinear Electrophoresis in a Nematic Liquid Crystal
- Electrophoretic transport is greatly enhanced in a nematic environment due to shear thinning.
Synergistic Effect and Phase Behavior of SCG-CAPB-H2O Ternary Compound System
06/04/2024 - The physical properties of sodium cocoyl glycinate (SCG) and the synergistic effects within the SCG/CAPB complex system were investigated using visible–ultraviolet spectrophotometry and...
Enhanced mechanical properties of polyphenylene sulfide and liquid crystal polymer composites by interfacial bonding capacity of graft?modified graphene oxide and glass fibers
04/04/2024 - The aim of this study is to broaden the potential applications of polyphenylene sulfide (PPS) by incorporating graphene oxide (GO)?grafted glass fiber (GF) to enhance the mechanical properties of...
Fast and Slow?Twitch Actuation via Twisted Liquid Crystal Elastomer Fibers
23/03/2024 - The performance of robotic systems could benefit from low?density material actuators that emulate muscle typology (e.g., fast and slow twitch) of natural systems. Recent reports detail the...
An Electro?optical Kerr Device Based on 2D Boron Nitride Liquid Crystals for Solar?blind Communications
18/03/2024 - Achieving light modulation in the spectral range of 200 – 280 nm is a prerequisite for solar?blind ultraviolet communication, where current technologies mainly based on the electro?luminescent...
Large?Scale, Vertically Aligned 2D Subnanochannel Arrays by a Smectic Liquid Crystal Network for High?Performance Osmotic Energy Conversion
14/03/2024 - Vertically aligned 2D subnanochannel arrays in a smectic liquid crystal network is fabricated by photo?polymerization. As?prepared membrane demonstrates a power output of ?22.5 W m?2 when mixing...
Spatial Photo?Patterning of Nematic Liquid Crystal Pretilt and its Application in Fabricating Flat Gradient?Index Lenses
07/03/2024 - This study introduces a method for 3D control of liquid crystal mesogens' orientation. A two?step photo?exposure process sets both in?plane and out?of?plane orientation, enabling smooth orientational...
Fabrication of liquid crystal Fe3O4 composites and their magnetorheological properties
07/03/2024 - Some supramolecular polyacrylate?based liquid crystal polymers (PLCPs) were prepared by polyacrylic acid, a liquid crystal monomer and 3,5?pyridinedicarboxylic acid. Series of magnetic liquid crystal...
Phenanthrothiophene?Triazine Star?Shaped Discotic Liquid Crystals: Synthesis, Self?Assembly, and Stimuli?Responsive Fluorescence Properties
01/03/2024 - Lipophilic biphenylthiophene? and phenanthrothiophene?triazine compounds, BPTTn and CPTTn respectively, were prepared by a tandem procedure involving successive Suzuki?Miyaura coupling and Scholl...
Photosensitizers Enable the Formation of Biphenyls with UV?LEDs and Sunlight
29/02/2024 - The regioselective synthesis of biphenyls, which are economically important pharmaceuticals, agrochemicals, and liquid crystals, is a challenging task. Current methods rely on metal?dependent...
Photo actuation performances of animal hair fiber-reinforced polysiloxane liquid crystalline elastomer composites
27/02/2024 - Abstract Liquid crystalline elastomers (LCEs) are an emerging class of smart materials for soft actuation machines. LCE composites (LCECs), via the incorporation of fillers into...
A Robust Texture-Less Gray-Scale Surface Matching Method Applied to a Liquid Crystal Display TV Diffuser Plate Assembly System
29/02/2024 - In most liquid crystal display (LCD) backlight modules (BLMs), diffuser plates (DPs) play the essential role in blurring the backlight. A common BLM consists of multiple superimposed optical films....
Polar Self-Organization of Ferroelectric Nematic-Liquid-Crystal Molecules on Atomically Flat Au(111) Surface
- Using a scanning tunneling microscope polar molecular ordering in a monolayer of ferroelectric nematic liquid crystal has been directly observed for the first time.
Synergetic improvements of intrinsic thermal conductivity and breakdown strength in liquid crystal epoxy resin for high voltage applications
23/02/2024 - Abstract Heat conductive epoxy composites as electronic packaging materials present wider applications. However, the high loading of fillers required for a high thermal...
Dual Role of Beam Polarization and Power in Nematic Liquid Crystals: A Comprehensive Study of TE- and TM-Beam Interactions
22/02/2024 - Optical spatial solitons are self-guided wave packets that maintain their transverse profile due to the self-focusing effect of light. In nematic liquid crystals (NLC), such light beams, called...
Macroscopic Biaxial Order in Multilayer Films of Bent-Core Liquid Crystals Deposited by Combined Langmuir–Blodgett/Langmuir–Schaefer Technique
14/02/2024 - Bent-core liquid crystals, a class of mesogenic compounds with non-linear molecular structures, are well known for their unconventional mesophases, characterized by complex molecular (and...
AI on the Road: NVIDIA Jetson Nano-Powered Computer Vision-Based System for Real-Time Pedestrian and Priority Sign Detection
09/02/2024 - Advances in information and signal processing, driven by artificial intelligence techniques and recent breakthroughs in deep learning, have significantly impacted autonomous driving by enhancing...
Revisiting Dimorphs of 4?n?octyloxybenzoic Acid: Contrasting Mechanical Property and Surface Wettability
07/02/2024 - 4?n?octyloxy benzoic acid is known to exhibit liquid crystalline properties, and under normal pressure and temperature conditions, it exists as at least two crystalline polymorphs. We revisited the...
Criticality Controlling Mechanisms in Nematic Liquid Crystals
05/02/2024 - We theoretically study the generic mechanisms that could establish critical behavior in nematic liquid crystals (NLCs). The corresponding free energy density terms should exhibit linear coupling with...
Effects of ionic liquids as catalysts on liquid crystal aromatic polyester based on thin?film polymerization technique
22/01/2024 - The prepared hydrogenated polyfarnesene polyurethane (HHPF PU) was found to exhibit higher hydrophobicity and oleophobicity than polytetrafluoroethylene (PTFE). The density depth profile of the HHPF...
Cholesteric Liquid Crystals with Thermally Stable Reflection Color from Mixtures of Completely Etherified Ethyl Cellulose Derivative and Methacrylic Acid
31/01/2024 - Cellulose derivatives have attracted attention as environmentally friendly materials that can exhibit a cholesteric liquid crystal (CLC) phase with visible light reflection. Previous reports have...