Journal ArticleDOI
Material design for piezochromic luminescence: hydrogen-bond-directed assemblies of a pyrene derivative.
TLDR
Amide-substituted tetraphenylpyrene C6TPPy, composed of a planar fluorescent core and multiple hydrogen-binding sites, displays a remarkable change and restoration of its luminescence color by pressing with a spatula and heating, respectively.Abstract:
A novel design principle for materials showing piezochromic luminescence is proposed. Amide-substituted tetraphenylpyrene C6TPPy, composed of a planar fluorescent core and multiple hydrogen-binding sites, displays a remarkable change and restoration of its luminescence color by pressing with a spatula and heating, respectively.read more
Citations
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Journal ArticleDOI
Recent advances in organic mechanofluorochromic materials
TL;DR: The existence of a structural relationship between aggregation-induced emission compounds and mechanofluorochromism is recognized based on recent results, and the established structure-property relationship will guide researchers in identifying and synthesizing more mechan ofluorchromic materials.
Journal ArticleDOI
Mechanically induced luminescence changes in molecular assemblies.
Yoshimitsu Sagara,Takashi Kato +1 more
TL;DR: Piezochromic luminescent materials - which change the colour of their luminescence in response to mechanical stimuli - are described and have potential for various applications, including sensors, memory and displays.
Journal ArticleDOI
Multistimuli Two-Color Luminescence Switching via Different Slip-Stacking of Highly Fluorescent Molecular Sheets
Seong-Jun Yoon,Jong Won Chung,Johannes Gierschner,Kil Suk Kim,Moon Gun Choi,Dongho Kim,Soo Young Park +6 more
TL;DR: C cyanostilbene-based highly luminescent molecular sheets which exhibit two-color fluorescence switching in response to pressure, temperature, and solvent vapor are reported, which provides a novel concept of rewritable fluorescent optical recording media.
Journal ArticleDOI
Piezochromic Luminescence Based on the Molecular Aggregation of 9,10-Bis((E)-2-(pyrid-2-yl)vinyl)anthracene†
Yujie Dong,Bin Xu,Jibo Zhang,Xiao Tan,Lijuan Wang,Jinlong Chen,Hongguang Lv,Shanpeng Wen,Bao Li,Ling Ye,Bo Zou,Wenjing Tian +11 more
TL;DR: An effective mechanism of piezochromic luminescence on the basis of the molecular aggregation state of 9,10-bis((E)-2-(pyrid-2-yl)vinyl)anthracene (BP2VA) is reported, which exhibited spectacular luminescent characteristics: grinding and the exertion of external pressure on the powder led to a change in its photoluminescence color from green to red.
Journal ArticleDOI
Polymorphism and Reversible Mechanochromic Luminescence for Solid-State Difluoroboron Avobenzone
TL;DR: A simple boron complex of a commercial sunscreen product exhibits morphology-dependent emission and mechanochromic luminescence in the solid state and in the rubbed regions, the fluorescence recovers slowly at room temperature or much faster with heating, resulting in a simple rewritable "scratch the surface" ink of potential commercial use.
References
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Journal ArticleDOI
Encoding and decoding hydrogen-bond patterns of organic compounds
Journal ArticleDOI
Organic chemistry: a digital fluorescent molecular photoswitch.
TL;DR: This work uses external photostimulation to switch the fluorescence on and off from a single photochromic molecule embedded in a polymer film due to photo-isomerization of the molecule, which may eventually find application in erasable optical data-storage elements.
Journal ArticleDOI
Organic photochromism (IUPAC Technical Report)
Henri Bouas-Laurent,Heinz Dürr +1 more
TL;DR: In this article, a general introduction to organic photo-chromism is given together with that of words with the ending "chromism", such as thermo-, electro-, piezo-, and tri-bochromism.
Journal ArticleDOI
Reproducible on-off switching of solid-state luminescence by controlling molecular packing through heat-mode interconversion.
TL;DR: Efficient and reproducible on–off switching of solid-state luminescence is demonstrated by heat-mode interconversion between the plate and needle crystals and would open the way for the development of novel organic luminescent solids that can be switched on and off by external thermal stimuli.
Journal ArticleDOI
Deformation-Induced Color Changes in Melt-Processed Photoluminescent Polymer Blends
TL;DR: The phase behavior of these blends, which comprised 0.01−3% w/w of the PL guest, could be controlled via the molecular structure of the dye, its concentration, and the processing conditions as discussed by the authors.
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Mechanically induced luminescence changes in molecular assemblies.
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