Results 41 to 50 of about 8,279 (221)

Spiropyran-based reversible, light-modulated sensing with reduced photofatigue [PDF]

, 2009
Switchable materials have tremendous potential for application in sensor development that could be applied to many fields. We are focusing on emerging area of wireless sensor networks due to the potential impact of this concept in society.
Aleksandar Radu, Arai, Atabekyan, Bakker, Bakker, Bell, Bletz, Byrne, Byrne, Byrne, Demadrille, Dermot Diamond, Diamond, Diamond, Diamond, Frisch, Garcia, Grofcsik, Inouye, Ipe, Krygowski, Lau, Lau, Massimo Fusaro, Matsushima, McCoy, Nameer Alhashimy, Phillips, Radu, Radu, Robert Byrne, Shao, Silvia Scarmagnani, Stauffer, Stitzel, Suzuki, Taylor, Tomizaki, Tork, Wang, Willner, Winkler, Yang, Zhang, Zhou, Zhou   +45 more
core   +1 more source

Photochromic Nucleosides and Oligonucleotides

Angewandte Chemie International Edition, 2023
AbstractPhotochromism is a reversible phenomenon wherein a material undergoes a change in color upon exposure to light. In organic photochromes, this effect often results from light‐induced isomerization reactions, leading to alterations in either the spatial orientation or electronic properties of the photochrome.
Jörn Bargstedt, Martin Reinschmidt, Leon Tydecks, Theresa Kolmar, Christoph M. Hendrich, Andres Jäschke   +5 more
openaire   +2 more sources

Guest-dependent photochromism of 3,3′-bis-(4-fluoro-phenyl)-3H,3′H- [2,2′]biindenylidene-1,1′-dione in its inclusion crystals [PDF]

, 2004
Inclusion crystals of 3,3′-bis-(4-fluoro-phenyl)-3H,3′H- [2,2′]biindenylidene-1,1′-dione (1b) showed a reversible color change from yellow to red upon photoirradiation, although 1b itself did not show photochromic property in the solid ...
Mino R Caira, Tanaka Koichi, Yamamoto Yohei, 田中 耕一   +3 more
core   +2 more sources

Light‐Programmable Interfaces: From Molecular Photoswitching to Adaptive Membrane Separations

Advanced Materials Interfaces, EarlyView.
This review advances an interface‐centered framework for light‐responsive membranes, linking molecular photoswitches (azobenzene (AZO), spiropyran (SP), diarylethene (DAE), donor–acceptor Stenhouse adducts (DASA), photoacid) to integration strategies in polymeric, porous, self‐assembled, and mixed‐matrix systems.
Liangliang Zhang, Senlin Gu, Jianyang Zhao, Xiaojuan Hao, Lu Hua Li, Jihua Li, Lingxue Kong   +6 more
wiley   +1 more source

Elucidating the Transition Kernel and Anharmonic Coupling in the Spin‐crossover Process of a [FeIII(qsal)2] CH3OSO3 Complex

Angewandte Chemie, Volume 138, Issue 20, 11 May 2026.
Ultrafast broadband transient absorption spectroscopy and multireference excited‐state nonadiabatic calculations in an open‐shell Fe(III) complex unveil the rich electronic and vibrational dynamics detailing the key reactive modes driving the spin‐crossover process.
Soumyajit Mitra, Dilara Farkhutdinova, Sebastian Mai, Stuart A. Hayes, Yifeng Jiang, Tadahiko Ishikawa, Kazuyuki Takahashi, Leticia González, R. J. Dwayne Miller   +8 more
wiley   +2 more sources

Novel photochromism of propargylallene in the solid state [PDF]

, 2003
2-[2,7-Dibromo-9-(3-oxo-3-phenyl-prop-1-ynyl)-9H-fluoren-9-yl]-3-fluoren-9-ylidene-1-phenyl-propenone (1) shows photochromism from pale yellow to green in the solid state, whereas 3-(2,7-dibromo-fluoren-9-ylidene)-2-[9-(3-oxo-3-phenyl-prop-1-ynyl)-9H ...
Janet L Scott, Tanaka Koichi, Tomomori Akihiro, 友森 章公, 田中 耕一   +4 more
core   +2 more sources

Phototunable Polarization Volume Gratings Driven by Chiral Hydrazone Switches

Advanced Optical Materials, EarlyView.
Chiral hydrazone photoswitches incorporated into polarization volume gratings enable light‐driven, reversible modulation of optical properties. UV and blue light irradiation reversibly alter the hydrazone isomer ratio, leading to tunable diffraction efficiency and spectral response across the visible spectrum.
Artem Boichuk, Lauri Uosukainen, Indu Bala, Ivan Aprahamian, Arri Priimagi   +4 more
wiley   +1 more source

Matrix‐Emission‐Assisted Photochromism Enables Dual‐Field Color‐Changing Modulations

Advanced Physics Research
Trap‐related inorganic photochromic materials coupled with regulated luminescence have attracted extensive interest due to their great potential in optoelectronic devices, optical memory, and multiple anti‐counterfeiting applications.
Hengli Zhu, Jiaping Zhang, Panqin Wang, Shaoxing Lyu, Hengwei Lin, Jiaren Du   +5 more
doaj   +1 more source

NMR studies of the polyphotochromic behaviour of biphotochromic compounds

International Journal of Photoenergy, 2004
NMR spectroscopy has been used to investigate the photochromism of four biphotochromic molecules in both the spirooxazine and naphthopyran families. The thermal evolution of photoproducts and their structural identification made it possible to observe ...
J. Berthet, S. Delbaere, V. Lokshin, A. Samat, J. C. Micheau, G. Vermeersch   +5 more
doaj   +1 more source

Heteroleptic Ir(III) complexes based on 2-(2,4-difluorophenyl)-pyridine and bisthienylethene: structures, luminescence and photochromic properties [PDF]

, 2015
Two bisthienylethenes 2-(2-hydroxyphenyl)-4,5-bis[2,5-dimethyl(3-thienyl)]-1H-imidazole (L1H) and 2-(2-hydroxyphenyl)-4,5-bis(2,5-dimethyl(3-thienyl))-1-phenyl-imidazole (L2H), which have a chelating N,O-donor binding site attached to the photochromic ...
Andreiadis, Aubert, Cao, Cao, Chan, Cheng, Deng-Ke Cao, Guerchais, He, Hofbeck, Janiak, Jun-Feng Chen, Kappaun, Ko, Krayushkin, Lee, Li, Li, Liu, Marchi, Michael D. Ward, Milek, Monaco, Morimoto, Motoyama, Mydlak, Nitadori, Ordronneau, Ruo-Hong Wei, Sheldrick, Sykes, Tan, Uchida, Ward, Xiao-Xiong Li, You   +35 more
core   +1 more source