Results 1 to 10 of about 8,279 (221)

Dynamic photochromism in cocrystals and tri-state fluorescence switching in films for multilevel optical encryption [PDF]

Nature Communications
Organic crystalline systems combining dynamic photosalient effect with static photochromism represent a promising class of intelligent responsive materials.
Shuzhen Li, Menghao Xing, Xifan Xu, Wenjing Hu, Hang Zhou, Xiaoyu Cao   +5 more
doaj   +2 more sources

Photochromism of pyridine-substituted merocyanine through reversible C-N bond formation [PDF]

Nature Communications
The reversible interconversion between spiropyran and merocyanine constitutes one of the most intensively investigated photochromic systems, enabling diverse applications in stimuli-responsive materials and optical imaging.
He Li, Ya Liu, Feifan Sun, Shiquan Lin, Zixu He, Sijia Lu, Quan Tang, Xiaohua Li, Huimin Ma, Wen Shi   +9 more
doaj   +2 more sources

Flexible X‐Ray Detector for Cumulative Dose Monitoring Through Reversible Photochromism and Luminescence Modulation [PDF]

Advanced Science
This study presents a multi‐mode X‐ray detection and imaging strategy by integrating photochromism, photoluminescence, and radioluminescence into Tb3+‐doped CaAl2Si2O8.
Xue Bai, Yueteng Zhang, Heping Zhao, Yingzhu Zi, Zan Xu, Anjun Huang, Yangke Cun, Yue Liu, Zhiguo Song, Jianbei Qiu, Jiayan Liao, Zhengwen Yang   +11 more
doaj   +2 more sources

A reversible photochromic covalent organic framework [PDF]

Nature Communications
Covalent organic frameworks are a type of crystalline porous materials that linked through covalent bond, and they have numerous potential applications in adsorption, separation, catalysis, and more.
Xue-Tian Li, Meng-Jing Li, Yuan-Liang Tian, Shu-Lin Han, Lei Cai, Hui-Chao Ma, Ying-Qiang Zhao, Gong-Jun Chen, Yu-Bin Dong   +8 more
doaj   +2 more sources

A Sub‐Diffraction‐Limit Dimension All‐Plasmonic Optical Memory Using Non‐Linear Photochromism [PDF]

Advanced Science
The development of compact, high‐speed, and energy‐efficient optical memories remains a significant challenge in photonic and plasmonic technologies. Conventional optical memories are inherently limited by light diffraction, restricting miniaturization ...
Shuichi Toyouchi, Mathias Wolf, Kenji Hirai, Yasuhiko Fujita, Tomoko Inose, Beatrice Fortuni, Eduard Fron, Johan Hofkens, Steven De Feyter, James Hutchison, Tsuyoshi Fukaminato, Hiroshi Uji‐i   +11 more
doaj   +2 more sources

All-Visible-Light-Activated Diarylethene Photoswitches [PDF]

Molecules
Photochromic compounds have attracted much attention for their potential applications in photo-actuators, optoelectronic devices and optical recording techniques.
Ruiji Li, Tao Ou, Li Wen, Yehao Yan, Wei Li, Xulong Qin, Shouxin Wang   +6 more
doaj   +2 more sources

Structural tuning of β-enamino diketones: exploration of solution and crystalline state photochromism

Frontiers in Chemistry, 2023
A library of β-enamino diketones was prepared via base-mediated, three-component reaction of 4-hydroxycoumarins with various aromatic/aliphatic amines and β-nitrostyrenes under microwave irradiation conditions to investigate their photochemical ...
Kiran B. Manjappa, Sheng-Chieh Fan, Ding-Yah Yang, Ding-Yah Yang   +3 more
doaj   +1 more source

From Visible to Near–Infrared Light–Triggered Photochromism: Negative Photochromism

Molecules, 2023
Photochromic compounds, whose key molecular properties can be effectively modulated by light irradiation, have attracted significant attention for their potential applications in various research fields.
Ruiji Li, Bingzhao Mou, Mihoko Yamada, Wei Li, Takuya Nakashima, Tsuyoshi Kawai   +5 more
doaj   +1 more source

Mechanism of charge accumulation of poly(heptazine imide) gel

Scientific Reports, 2021
Photo-stimuli response in materials is a fascinating feature with many potential applications. A photoresponsive gel of poly(heptazine imide), PHI, termed PHIG, exhibits photochromism, photoconductivity, and photo-induced charge accumulation, and is ...
Goichiro Seo, Yuki Saito, Miyu Nakamichi, Kyohei Nakano, Keisuke Tajima, Kaname Kanai   +5 more
doaj   +1 more source

High-entropy perovskite oxides: An emergent type of photochromic oxides with fast response for handwriting display

Journal of Advanced Ceramics, 2023
Stimulus-responsive materials are fundamental to the broad and ever-growing field of intelligence research, which bridge intelligent systems with the Internet of Things (IoT) in future lifestyles.
Xiangyu Wang, Tong Wei, Yingqiu Xu, Liwei Wu, Yingdong Han, Jiao Cui   +5 more
doaj   +1 more source