Results 61 to 70 of about 766 (181)

The influence of deposition temperature on vanadium dioxide thin films microstructure and physical properties

South African Journal of Science, 2010
Vanadium dioxide thin films were successfully prepared on soda lime glass substrates using the optimised conditions for r.f-inverted cylindrical magnetron sputtering.
Velaphi Msomi, Oaisin Nemraoui
doaj  

Structure dependence of photochromism and thermochromism of azobenzene-functionalized polythiophenes

eXPRESS Polymer Letters, 2007
Two novel azobenzene-functionalized polythiophenes, poly[4-((4-(phenyl)azo)phenoxy)butyl-3-thienylacetate] (P4) and the copolymer of 3-hexylthiophene and 4-((4-(phenyl)azo)phenoxy)butyl-3-thienylacetate (COP64) have been synthesized.
doaj   +1 more source

Engineering intelligent chiral silver cluster‐assembled materials for temperature‐triggered dynamic circularly polarized luminescence

Aggregate
The development of stimuli‐responsive circularly polarized luminescence (CPL) materials is quite attractive but challenging. Here, a pair of atomically precise enantiomers R/S‐Ag20 nanoclusters has been synthesized using chiral acid ligands.
Jia‐Yin Wang, Jia‐Wang Yuan, Xue‐Mei Liu, Ying‐Jie Liu, Feng Bai, Xi‐Yan Dong, Shuang‐Quan Zang   +6 more
doaj   +1 more source

Preparation and application of thermochromic and thermoregulation bi-functional microcapsules

Cailiao gongcheng
Aiming at the current problems of low enthalpy value and low coverage rate of phase change solvent in thermochromic microcapsules， the bi-functional microcapsules with reversible thermochromic property， and heat storage and temperature regulation ...
CAI Qinze, YE Jingpeng, ZHANG Guoqing, LIU Guojin, ZHOU Lan   +4 more
doaj   +1 more source

Cost‐Effective Paraffin Particles‐Based Thermochromic Composites for Smart Windows and Greenhouses

Small Structures
This study presents low‐cost, high‐performing, and long‐lasting scattering‐based thermochromic composites for light transmittance and thermal management, which are based on poly(vinyl alcohol) films embedding paraffin micro/nanoparticles.
Lorenzo Vallan, Jaume Ramon Otaegui, Daniel Ruiz‐Molina, Jordi Hernando, Claudio Roscini   +4 more
doaj   +1 more source

Halogen Bond‐Driven Reversible Thermochromism in a Two‐Dimensional Hybrid Perovskite

Small Structures
Metal halide perovskites (MHPs) represent a versatile platform capable of accommodating new chemical design schemes for the development of innovative stimuli‐responsive materials.
Anastasios Stergiou, Giancarlo Terraneo, Elena Cariati, Daniele Marinotto, Chiara Botta, Silvia Bracco, Filippo De Angelis, Francesca Nunzi, Tommaso Moretti, Pierangelo Metrangolo, Gabriella Cavallo   +10 more
doaj   +1 more source

EFFECT OF SURFACTANT TYPE AND AMOUNT ON THE THERMOCHROMIC PROPERTIES OF POLYDIACETYLENE

Mağallaẗ Al-kūfaẗ Al-handasiyyaẗ
Herein we report a simple way to improve the thermochromic behavior of polydiacetylene (PCDA) by the incorporation of surfactants. modified by the addition of anionic (SDS), cationic (CTBA) and nonionic (Triton X-100) surfactants in different ratios ...
Hiba Imad Abdulkareem, Auda Jabbar Braihi, Ali Salah Hasan   +2 more
doaj   +1 more source

Parametric Optimization of Microcontact Stamping for Rapid Thermo-Color Change in Pigment-Coated Thin Film

Micromachines
Microcontact stamping is a promising microfabrication technique for producing functional patterned thin films on flexible substrates; however, systematic optimization of its process parameters for thermochromic applications remains limited. In this study,
Jeonghoo Lee, Kyeongho Lee, Yeongseok Jang, Seunghoon Lee, Jinmu Jung, Jonghyun Oh   +5 more
doaj   +1 more source

Ultrabroadband Directional Tunable Thermal Emission Control Based on Vanadium Dioxide Photonic Structures

Advanced Science
The manipulation of thermal radiation amplitude or direction over a broadband spectrum is a fundamental capability, demonstrating significant potential in thermal management and infrared information encryption. However, existing approaches cannot control
Qixiang Chen, Chengcong Li, Xuemei Huang, Yuehui Lu, Hua Xu, Yang An, Longnan Li, Wei Li, Xiaobo Yin, Xun Cao, Dongliang Zhao   +10 more
doaj   +1 more source

Cholesteric Liquid Crystal Polymer Network Patterns with a Golden Structural Color

Chemistry
Cholesteric liquid crystal polymer network (CLCN) films with composite structural colors have potential applications in decoration and anti-counterfeiting. Herein, a thermochromic acrylate-based cholesteric liquid crystal mixture was prepared.
Qingyan Zeng, Wei Liu, Yi Li, Yonggang Yang   +3 more
doaj   +1 more source