Article
Polymer Science
Jiayan Shi, Chunhua Wei, Mengyu Deng, Lei Liang, Yanqing Tian
Summary: Pressure-sensitive paints (PSPs) are crucial for aerodynamics research. To enhance the pressure sensitivity and adhesion of PSPs, a series of fluorine-containing copolymers were synthesized and studied. These PSPs were constructed with different fluorine ratios, and PSP (F-0.33) with a trifluoroethyl methacrylate (TFEM) molar ratio of 33% exhibited excellent adhesion to the surface of an aircraft model. F-0.33 showed high oxygen sensitivity, reasonable response time, high pressure sensitivity, and low temperature response. It was further tested on a delta wing in a wind tunnel and showed similar pressure data to the traditional method using open pressure holes, indicating the potential application of these PSPs.
JOURNAL OF APPLIED POLYMER SCIENCE
(2023)
Article
Engineering, Chemical
Mohammed G. Kotp, Santosh U. Sharma, Jyh-Tsung Lee, Ahmed F. M. EL-Mahdy, Shiao-Wei Kuo
Summary: This study focuses on the design and synthesis of conjugated microporous polymers based on triphenylamine derivatives. The obtained CMPs exhibit excellent adsorption properties and high stability, making them promising candidates for dye adsorbents and supercapacitor electrode materials.
JOURNAL OF THE TAIWAN INSTITUTE OF CHEMICAL ENGINEERS
(2022)
Article
Optics
Yi Wang, Xiyuan Kang, Fangjian Cai, Lei Sun, Yinjie Yu, Claude P. Gros, Frederic Bolze, Haijun Xu
Summary: A series of molecules with different substituents were synthesized via reaction, and their photophysical properties in different solvents were investigated, showing high fluorescence quantum yields and large Stokes shifts for these compounds.
JOURNAL OF LUMINESCENCE
(2022)
Article
Chemistry, Applied
Milan Klikar, Dimitris Georgiou, Ioannis Polyzos, Mihalis Fakis, Zdenka Ruzickova, Oldrich Pytela, Filip Bures, Oldrich Pytela
Summary: A series of new push-pull fluorophores with D-(pi-A3) arrangement were designed and synthesized, and their structure-property relationships were revealed through experimental and theoretical studies.
Article
Chemistry, Multidisciplinary
Ming-Ho Liu, Zhe Zhang, Yu-Chi Yang, Yang-Hsiang Chan
Summary: This study presents semiconductor polymers with emission characteristics in the NIR-IIa window, which show potential for high-resolution, noninvasive brain imaging in live mice and offer a platform for future design of NIR-IIa or even NIR-IIb emitting Pdots.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2021)
Article
Polymer Science
Dhananjaya Patra, Marc Comi, Xianhe Zhang, Gururaj P. Kini, Malsha Udayakantha, Alexander J. Kalin, Sarbajit Banerjee, Lei Fang, Xugang Guo, Mohammed Al-Hashimi
Summary: The study focuses on the structural characteristics of polymers based on thiazole units and their impact on charge carrier mobility. The synthesis of four different heterocycle-based monomers and their copolymerization with electron-rich alkylated thienylenevinylene units resulted in copolymers with the best charge mobility.
Article
Chemistry, Multidisciplinary
Soumitra Sau, Suman Kalyan Samanta
Summary: In this study, triphenylamine-based donor-acceptor conjugated microporous polymers (PTPA-AQ and PTPA-AM) were synthesized for efficient visible-light driven oxidative hydroxylation of phenylboronic acids. PTPA-AQ demonstrated higher BET surface area and better photocatalytic activity with yields up to 96%.
CHEMICAL COMMUNICATIONS
(2023)
Article
Chemistry, Multidisciplinary
Bartlomiej Sadowski, Daniel T. Gryko
Summary: Dipyrrolonaphthyridinediones (DPNDs) are a novel class of functional dyes with high potential in organic optoelectronics. They can be easily synthesized in high yield and have shown the ability for structural modifications to achieve enhanced optical brightness and tunable emission wavelength. Their unique behavior in the excited state has also been explored, making them useful for various applications.
Article
Polymer Science
Maha Mohamed Samy, Mohamed Gamal Mohamed, Santosh U. Sharma, Swetha Chaganti, Tharwat Hassan Mansoure, Jyh-Tsung Lee, Tao Chen, Shiao-Wei Kuo
Summary: In this research, two triphenylamine (TPA)-linked conjugated microporous polymers (CMPs), TPATAB and TPA-TBN, were synthesized through Suzuki couplings. These CMPs, with large surface areas and excellent thermal stability, could serve as electrode materials in supercapacitor (SC) devices. The TPA-TAB CMP exhibited ultrahigh specific capacitance (684 F g-1 at 0.5 A g-1) and long-term stability, with a capacitance retention of 99.5% after 5000 cycles (at 10 A g-1) in a three-electrode SC. Moreover, a two-electrode symmetric SC incorporating TPA-TAB CMP showed a capacitance of 117 F g-1 and a high retention of 98% after 5000 cycles at 10 A g-1. These promising performances were achieved by utilizing redox-active TPA units and a large BET surface area (490 m2 g-1). Therefore, these TPA-CMPs show potential for use in charge and energy storage applications.
Article
Chemistry, Multidisciplinary
Suguru Ito, Ryohei Sekine, Masayasu Munakata, Maho Yamashita, Takashi Tachikawa
Summary: In this study, a two-component donor-acceptor approach was used to create a variety of organic MCL composites that exhibit remarkable emission-wavelength switching, with outstanding wide-range MCL achieved by mixing dibenzofuran-based bis(1-pyrenylmethyl)diamine with 3,4,9,10-perylenetetracarboxylic diimide. Unprecedented two-step MCL in response to mechanical stimuli of different intensity was also realized for a two-component mixture with 9,10-anthraquinone. Fluorescence microscopy observations at the single-particle level revealed that the segregation and mixing of the two-component dyes contribute to the stimuli-responsive emission-color switching of the MCL composites.
CHEMISTRY-A EUROPEAN JOURNAL
(2021)
Article
Polymer Science
Liwen Hu, Shengzu Liao, Tianze Hu, Peiling Chen, Chunxiao Wang, Ting Guo, Renqiang Yang, Lei Ying
Summary: Two-photon fluorescence bioimaging holds great promise for deep tissue imaging. By manipulating twisted intramolecular charge transfer, efficient conjugated polymers with high fluorescence quantum yields and large absorption cross-sections can be realized for two-photon fluorescence imaging and photodynamic therapy.
Article
Polymer Science
Ahmed M. Elgamal, Nahed A. Abd El-Ghany, Gamal R. Saad
Summary: This study investigated the removal efficiency of anionic acid dye and hexavalent chromium using CMX-g-P(4VP) as an adsorbent. The results showed that the optimal pH for adsorption was 2.5. The adsorbent exhibited high adsorption capacities for both contaminants, and could be efficiently reused for multiple cycles.
JOURNAL OF APPLIED POLYMER SCIENCE
(2022)
Article
Polymer Science
Wei-Yao Tung, Cheng Pu, Yi-Fan Huang, Wei Xie, Chung-Fu Cheng, Yun-Yu Lai, Xiang Li, Heng-Yi Lin, Yueh-Ting Lai, Kun Chen, Chien-Lung Wang, Yu Zhu
Summary: This study synthesized a series of donor-acceptor conjugated polymers containing soluble benzimidazolone-dioxazine structures and investigated their performance in organic field effect transistor devices. The results showed that increasing the number of thiophene rings led to higher molecular weight polymers and improved device performance.
MACROMOLECULAR RAPID COMMUNICATIONS
(2023)
Article
Chemistry, Analytical
Khady Diouf, Abdoulaye Drame, Alioune Diouf, Francois Orange, Frederic Guittard, Igor F. Perepichka, Thierry Darmanin
Summary: Microtubular structures with strong water adhesion similar to gecko feet or rose petals were prepared using soft-template electropolymerization. The key factors influencing the surface morphologies were discussed, including monomer structures and reactivity, and electrodeposition conditions. Impressive results were obtained in studies of carbazole-containing monomers.
JOURNAL OF ELECTROANALYTICAL CHEMISTRY
(2023)
Article
Nanoscience & Nanotechnology
Soumitra Sau, Flora Banerjee, Suman Kalyan Samanta
Summary: Triphenylamine (TPA)-anthracene (AN)-based conjugated microporous polymers (CMPs) with bright cyan fluorescence in tetrahydrofuran dispersion were synthesized by Suzuki-Miyaura cross-coupling reaction. These polymers exhibited high surface area, thermal stability, as well as fluorescence-based sensing of nitroaromatics and photocatalytic reduction of nitroaromatic micropollutants. The polymers also showed good recyclability without significant loss of catalytic efficiency.
ACS APPLIED NANO MATERIALS
(2023)
Article
Multidisciplinary Sciences
Siyu Sun, Liangwei Ma, Jie Wang, Xiang Ma, He Tian
Summary: A set of metal-free room-temperature phosphorescence (RTP) systems were developed using brominated phenolsulfonephthaleine derivatives, which exhibited red light excitation and the highest phosphorescence quantum yield reported so far. The RTP emission could be controlled by adding acid and alkali alternately, and a logic operation with half-subtractor function and dual-channel response was constructed based on these properties.
NATIONAL SCIENCE REVIEW
(2022)
Article
Chemistry, Multidisciplinary
Shuhai Qiu, Zhiyun Zhang, Yifan Wu, Fei Tong, Kai Chen, Guogang Liu, Lei Zhang, Zhaohui Wang, Da-Hui Qu, He Tian
Summary: A series of vibratile pi-extended dihydrophenazines and a tetrahydrodiphenazine were synthesized and their structural alterations were found to result in diverse intermolecular packing arrangements and photophysical properties. The emissions of these compounds showed significant changes depending on the length of the pi-conjugated system, which can be explained by the correlation between the calculated fluorescence-emitting energy and the pi-conjugation length. Additionally, a compound with flexible units exhibited similar photophysical properties to the dihydrophenazines.
Article
Chemistry, Multidisciplinary
Liangwei Ma, Qingyang Xu, Siyu Sun, Bingbing Ding, Zizhao Huang, Xiang Ma, He Tian
Summary: A universal strategy for solid, solution, or gel state organic persistent luminescent materials via radiative energy transfer is proposed. The persistent luminescence can be remotely regulated between different colors by controlling the isomerization of the energy acceptor. This strategy offers universality, flexibility, and operability.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2022)
Article
Chemistry, Multidisciplinary
Zezhou Zong, Qi Zhang, Shu-Hai Qiu, Qian Wang, Chengxi Zhao, Cai-Xin Zhao, He Tian, Da-Hui Qu
Summary: Dynamic control over molecular emission is achieved through time-encoded locking and unlocking of individual vibrational emissive units, allowing for the development of dynamic multicolor fluorescent systems. The emission wavelength and lifetime can be readily controlled by adding chemical fuels, providing a robust and versatile way to modulate multi-color molecular emission in a time-dependent manner.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2022)
Review
Chemistry, Multidisciplinary
Chen Wang, Michael P. O'Hagan, Ziyuan Li, Junji Zhang, Xiang Ma, He Tian, Itamar Willner
Summary: Photoresponsive nucleic acids have significant implications in materials science, allowing for the development of light-sensitive devices and materials with applications in catalysis, sensing, and drug delivery. The integration of photoisomerizable units into DNA strands enables reversible reconfiguration of nucleic acid architectures, providing control over the composition and properties of nanostructures.
CHEMICAL SOCIETY REVIEWS
(2022)
Article
Chemistry, Multidisciplinary
Qi Zhang, Stefano Crespi, Ryojun Toyoda, Romain Costil, Wesley R. Browne, Da-Hui Qu, He Tian, Ben L. Feringa
Summary: By utilizing hydrogen bonds, control over the chirality of disulfide bonds is achieved to enable intramolecular and supramolecular chirality transfers, showcasing the accessibility of dynamic stereochemical space through noncovalent chirality transmission encoded in homochiral amino acid building blocks.
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
(2022)
Review
Chemistry, Multidisciplinary
Qi Zhang, Da-Hui Qu, Ben L. Feringa, He Tian
Summary: This article discusses the dynamic chemical properties of 1,2-dithiolanes as a versatile structural unit for the design of smart materials. It summarizes the latest research progress in this field and provides an overview of the challenges and potential future directions.
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
(2022)
Article
Materials Science, Multidisciplinary
Yunhan Zhao, Liangwei Ma, Zizhao Huang, Junji Zhang, Itamar Willner, Xiang Ma, He Tian
Summary: This work presents a photoactivated organic room-temperature phosphorescence material, which utilizes triplet-to-singlet Forster-resonance energy transfer (TS-FRET) inhibited by visible-light stimulation. By doping a stable phosphorescence energy donor and a visible light-sensitive fluorescent dye into a polymer matrix, an amorphous organic RTP system is constructed. The phosphorescence intensity of the energy donor increases upon irradiation with visible light due to the photodegradation of the energy acceptor.
ADVANCED OPTICAL MATERIALS
(2022)
Article
Chemistry, Multidisciplinary
Wei-Tao Dou, Xiang Wang, Tingting Liu, Suwen Zhao, Jiao-Jiao Liu, Yao Yan, Jun Li, Chi-Yu Zhang, Adam C. Sedgwick, He Tian, Jonathan L. Sessler, Dong-Ming Zhou, Xiao-Peng He
Summary: In this study, a method for detecting influenza A viruses using sialyl-glycan-functionalized probes was reported. The method allows for differentiation of different IAV subtypes and determination of IAVs specific to individual species. It can also be used for preliminary assessment of adenovirus vaccines specific to a given IAV strain.
Article
Chemistry, Multidisciplinary
Rongchen Wang, Kai Yin, Muye Ma, Tianli Zhu, Jinzhu Gao, Jie Sun, Xuemei Dong, Chengjun Dong, Xianfeng Gu, He Tian, Chunchang Zhao
Summary: In this study, a novel molecular probe with alkaline phosphatase (ALP) instructed sensitive responsiveness to hydrogen sulfide (H2S) was developed for accurate cancer imaging and differentiation. The probe showed a charge reversal from negative to positive through ALP-mediated dephosphorylation reaction, resulting in enhanced responsiveness and visualization of H2S.
Article
Chemistry, Multidisciplinary
Chen-Yu Shi, Qi Zhang, Bang-Sen Wang, Dan-Dan He, He Tian, Da-Hui Qu
Summary: Controlling dynamic molecular self-assembly offers solutions for rational material design. In this study, the combination of disulfide-mediated ring-opening polymerization and H-bonding self-assembly resulted in the assembly of small molecules into layered ionic networks with tunable architectural properties and controllable functions as ion-transport membranes. The resulting membranes exhibited high efficiency in ion transportation due to the formation of interlayer water channels.
Article
Chemistry, Multidisciplinary
Guogang Liu, Yujian Liu, Chengxi Zhao, Yan Li, Zhaohui Wang, He Tian
Summary: In this study, a molecular carbon C-204 featuring 12-fold [5]helicenes around four cores was successfully constructed, and one pair of enantiomers with D-3 symmetry was obtained. The results suggest that choosing PDIs as building blocks can realize the stereoselectivity and chirality of molecular carbons.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2023)
Article
Chemistry, Multidisciplinary
Chen-Yu Shi, Dan-Dan He, Bang-Sen Wang, Qi Zhang, He Tian, Da-Hui Qu
Summary: This study reports a supramolecular poly(disulfides) network with tunable clusteroluminescence, which exhibits mechanical adaptivity and robustness due to the reticular H-bonds. Efficient clusteroluminescence and phosphorescence at 77 K are achieved through slow backbone disulfide exchange and fast side-chain metal coordination, enabling orthogonally tunable luminescence. Further exploration on reprocessability and chemical closed-loop recycling of dynamic networks is feasible for sustainable materials. The synergistic strategy of dynamic chemistry provides a novel pathway and potential opportunities for smart emissive materials.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2023)
Article
Chemistry, Multidisciplinary
Pu Zhang, Amit Fischer, Yu Ouyang, Yang Sung Sohn, Rachel Nechushtai, Junji Zhang, He Tian, Chunhai Fan, Itamar Willner
Summary: Topological barriers in DNA templates were designed to control gene transcription, allowing switchable, triggered transcription of RNA aptamers. By utilizing a variety of topologically triggered barriers, the transcription of specific RNA aptamers can be controlled effectively.
Article
Nanoscience & Nanotechnology
Ziyuan Li, Yanzi Zhou, Tianyue Li, Junji Zhang, He Tian
Summary: Hydrogels, resembling bio-architectures like extracellular matrix, exhibit bio-mimetic properties and are increasingly utilized in various biological applications. Stimuli-responsive hydrogels, a significant subclass, can respond to different triggers in the biological microenvironment, making them intriguing biomaterials with broad applications. The review highlights the benefits and opportunities of stimuli-responsive hydrogels for biological applications, while also discussing the current challenges and future prospects for translation into clinical settings.