Results 41 to 50 of about 413 (157)

Mechanochromic Polymers That Recognize the Duration of the Mechanical Stimulation via Multiple Mechanochromism

open access: yesMacromolecular Rapid Communications, 2020
AbstractMechanochromic polymers can be used as stress‐ and damage‐detecting sensors in polymeric materials, given that mechanical stimuli can be visualized by color changes. Although many types of mechanochromic polymers have been reported so far, there are only few examples on their further functionalization based on multiple color changes (multicolor
K. Ishizuki, D. Aoki, H. Otsuka
openaire   +3 more sources

Suppressing the Mechanochromism of Flexible Photonic Crystals

open access: yesOptics Express, 2023
We present flexible photonic crystal slabs (PCS) obtained by sputtering of a dielectric 100 nm Nb2O5 high refractive index layer onto a flexible nanostructured polydimethylsiloxane (PDMS) substrate with 370 nm grating period. The PCS exhibit a guided mode resonance at around 650 nm.
Fabio A. Kraft   +4 more
openaire   +2 more sources

Aggregation-induced delayed fluorescence molecules with mechanochromic behaviors for efficient blue organic light-emitting diodes

open access: yesCell Reports Physical Science, 2022
Summary: Aggregation-induced delayed fluorescence (AIDF) materials combining the advantages of aggregation-induced emission and thermally activated delayed fluorescence have attracted considerable attention. However, blue AIDF materials with satisfactory
Junchu He   +6 more
doaj   +1 more source

Structure–mechanical property correlations in mechanochromic luminescent crystals of boron difluoride dibenzoylmethane derivatives

open access: yesIUCrJ, 2015
The structure and mechanical properties of crystalline materials of three boron difluoride dibenzoylmethane (BF2dbm) derivatives were investigated to examine the correlation, if any, among mechanochromic luminescence (ML) behaviour, solid-state structure,
Gamidi Rama Krishna   +6 more
doaj   +1 more source

Sub-10-nm ordered structure and mechanochromism property of polyhedral oligosilsesquioxane tethered tetraphenylethylene

open access: yesGiant, 2022
The construction of highly ordered nanostructure plays an important role in realizing the specific functions of organic materials. However, it remains challenging to design photoelectric materials with sub-10-nm nanostructures.
Si-Yu Gao   +5 more
doaj   +1 more source

Multichromic Behavior of Liquid Crystalline Composite Polymeric Films

open access: yesCrystals, 2023
In this study, we describe the synthesis of a cholesterol-linked cyanostilobazole salt dye and the tuning of its luminescence by physical stimuli such as electricity and grinding. The dyes exhibited liquid-crystalline properties at temperatures above 170
Mizuho Kondo   +5 more
doaj   +1 more source

Mechanochromic Polymers

open access: yesMechanochromic Polymers
identifier:oai:t2r2.star.titech.ac.jp ...
Yi Lu, Takumi Yamamoto, Hideyuki Otsuka
  +4 more sources

Small Molecular Dibenzochalcogenophenes as Potent Organic Emitters. [PDF]

open access: yesChemistry
This review compiles recent achievements and applications of purely organic small luminescent DBC. We present frequently employed functionalities and design strategies, accomplishing room temperature phosphorescence (RTP). In addition, we discuss the challenges for luminescent selenium and tellurium derivatives as well as the influence of commercial ...
Schmiedtchen M   +3 more
europepmc   +2 more sources

3D-Printed Mechanochromic Materials

open access: yesACS Applied Materials & Interfaces, 2014
We describe the preparation and characterization of photo- and mechanochromic 3D-printed structures using a commercial fused filament fabrication printer. Three spiropyran-containing poly(ε-caprolactone) (PCL) polymers were each filamentized and used to print single- and multicomponent tensile testing specimens that would be difficult, if not ...
Gregory I, Peterson   +4 more
openaire   +2 more sources

Mechanochromic Polymers [PDF]

open access: yesMacromolecular Rapid Communications, 2021
Yulan, Chen   +2 more
openaire   +2 more sources

Home - About - Disclaimer - Privacy