Article
Engineering, Electrical & Electronic
Liubov O. Tcelykh, Vladislava Yu. Kozhevnikova, Alexander S. Goloveshkin, Egor V. Latipov, Elena O. Gordeeva, Valentina V. Utochnikova
Summary: We synthesized a high-sensitivity ratiometric temperature sensor using three rows of bimetallic Tb-Eu hydroxybenzoates, which exceeded the theoretical limit of sensitivity. Two new bimetallic complexes were obtained and their crystal structures were determined. The Tb-Eu complexes with 3- and 4-hydroxybenzoates demonstrated temperature-dependent luminescence, with the 3-hydroxybenzoate showing the highest sensitivity at 4%? at 100 ?. The temperature resolution was about 3 ?.
SENSORS AND ACTUATORS A-PHYSICAL
(2022)
Article
Chemistry, Multidisciplinary
Robert Malmberg, Dominik Suter, Olivier Blacque, Koushik Venkatesan
Summary: The synthesis, characterization, and photoluminescent properties of four cyclometalated (C N)-type gold(III) complexes with a bidentate diacetylide ligand were reported. These complexes exhibit highly tunable excited state properties and remarkable singlet oxygen generation capability.
CHEMISTRY-A EUROPEAN JOURNAL
(2021)
Article
Materials Science, Ceramics
Qi Wang, Shaoxin Song, Ning Nie, Jinshan Tan, Wei Wang
Summary: The NaTb(SO4)2 nanoparticles are designed and fabricated as novel fluorescent nanoprobes for the accurate and sensitive detection of hydrogen peroxide. They show high sensitivity and reliable stability, with a detection limit of 0.047 μM, making them suitable for potential applications in biosensors.
CERAMICS INTERNATIONAL
(2021)
Article
Materials Science, Multidisciplinary
Zvart Ajoyan, Gabrielle A. Mandl, P. Rafael Donnarumma, Victor Quezada-Novoa, Hudson A. Bicalho, Hatem M. Titi, John A. Capobianco, Ashlee J. Howarth
Summary: A facile route for modulating the photoluminescent and radioluminescent properties of Tb(III)-based MOFs is reported in this work, using Tb(III) cluster nodes as X-ray attenuators and organic linkers with varying excited state energies as sensitizers.
ACS MATERIALS LETTERS
(2022)
Article
Chemistry, Inorganic & Nuclear
Yasuchika Hasegawa, Yuki Konishi, Masaki Enokido, Sunao Shoji, Mengfei Wang, Koji Fushimi, Yuichi Kitagawa
Summary: Novel hydrophilic and color-changeable single chameleon luminophores composed of Tb(III)/Sm(III) nona-nuclear clusters are reported for water mapping measurements. Their characteristic sandglass structures and aggregates were analyzed, and their potential applications in temperature distribution measurements in fluid dynamics were discussed.
INORGANIC CHEMISTRY
(2023)
Article
Chemistry, Analytical
Hai-Yan Li, Shang-Qing Zhang, Ming-Li Chen, Jian-Hua Wang
Summary: This study presents a synthesis strategy for luminescent hydrogen bonded organic frameworks (HOFs) for developing multifunctional optical sensors. The sensor demonstrates selective detection of enzyme activity and exhibits low detection limits.
ANALYTICAL CHEMISTRY
(2022)
Article
Optics
Ritu Langyan, Archana Chauhan, Shammy Laj Dhania
Summary: This study reported four Tb(III) green luminescent complexes based on the ligand 4-oxochromene-3-carbaldehyde and other synergistic ligands, showing excellent photometric properties. The photoluminescence spectra revealed four characteristic emission peaks of Tb(III) ion, and ternary complexes exhibited superior performance compared to binary complexes.
Article
Chemistry, Multidisciplinary
Abhijeet R. Kadam, Ramkumar B. Kamble, Meenal Joshi, Abhay D. Deshmukh, S. J. Dhoble
Summary: Rare earth-activated fluoride phosphors have been synthesized and characterized, showing potential applications in WLEDs and enhancing solar cell efficiency. The luminescence properties were investigated using RF-5301 PC spectrofluorophotometer, while XRD and SEM analysis confirmed the crystallinity and morphology of the phosphors. Co-doped phosphors with Eu3+ and Tb3+ exhibited blue emission and improved solar cell efficiency when coated on the cells.
NEW JOURNAL OF CHEMISTRY
(2021)
Article
Crystallography
Valentin L. Virgil, Anamaria Hanganu, Augustin M. Madalan
Summary: Chalcones are a type of α, β-unsaturated ketones with great structural diversity and various applications. In this study, a chalcone synthesized by condensation of 2-acetylpyridine with 2-naphthaldehyde was employed for the synthesis of two mononuclear complexes. The structures of the chalcone and complexes were characterized by single-crystal X-ray diffraction, revealing that the chalcone acts as a chelating bidentate ligand. The luminescent properties of the ligand and complexes were investigated in the solid state, and it was found that the emission of Eu(III) and Tb(III) ions are influenced by the excitation wavelength.
Article
Chemistry, Multidisciplinary
Yuming Zhao, Rudie Zhang, Cheng Xiao, Dan Yue, Bowen Qin, Jinhui Liu, Zhenling Wang, Yu Fu
Summary: A ratiometric fluorescent sensor based on excited-state proton transfer (ESPT) has been developed using a Tb-based metal organic framework (MOF, Tb-DOBDC) as a dual-emission source. The Tb-MOF with an ESPT response allows for the detection of ammonia as a ratiometric fluorescence sensor.
Article
Nanoscience & Nanotechnology
Yingxue Li, Chen Jiang, Xiong Chen, Yuanhang Jiang, Cheng Yao
Summary: In this article, a Yb3+-doped two-dimensional upconverting Tb metal-organic framework (Tb-UCMOF) was synthesized using a one-step solvothermal method. The Tb-UCMOF showed high dispersibility and significant upconverting luminescent signal, making it suitable for Cu2+ sensing applications.
ACS APPLIED MATERIALS & INTERFACES
(2022)
Article
Chemistry, Analytical
Mikhail Tsvirko
Summary: The luminescence and absorption spectra of lanthanide ions in solids and coordination compounds exhibit sharp pure electronic lines and weaker vibronic transition lines. Vibronic spectroscopy is a useful tool for investigating the properties of surrounding ligands.
Article
Chemistry, Multidisciplinary
Annia Tubau, Laura Rodriguez, Ariadna Lazaro, Ramon Vicente, Merce Font-Bardia
Summary: The reaction of Ln(NO3)(2)center dot 6H(2)O salts (Ln = Eu and Tb) with 2-fluorobenzoic acid in an ethanol/water mixture results in the isolation of water-soluble dinuclear compounds with improved luminescence properties, exhibiting 4f-4f Lanthanide transitions in the visible range. Luminescence studies conducted in water and D2O solutions confirmed the presence of emitting 4f-4f electronic transitions, and the magnetic behaviors of the compounds were also reported.
NEW JOURNAL OF CHEMISTRY
(2021)
Article
Crystallography
Martin Tsvetkov, Denitsa Elenkova, Maria Milanova
Summary: Light-emitting phosphors doped with Tb(III) and Sm(III) were synthesized and characterized. The doping content was found to affect the unit cell parameters and crystallite size of the phosphors, while the samples showed promising excitation state lifetimes.
Article
Chemistry, Analytical
Cun Wang, Fangxin Hu, Xiaochuan Zou, Yuqiu Wang, Yanrong Ren, Jun Tan
Summary: In this work, a series of lanthanide bimetallic coordination polymers (Tb:Ce-BCPs) were prepared by rationally introducing Ce(III) and Tb(III) into a coordination polymer. The bimetallic Tb:Ce-BCPs exhibited stronger and more stable electrochemiluminescence (ECL) intensity compared to pure Tb-CP and Ce-CP. Ce(III) played a triple role in Tb:Ce-BCP, enhancing ECL intensity, adjusting morphology and ECL intensity, and acting as a coreaction accelerator. The modified electrode with Tb:Ce-BCP showed promising application in electroanalytical chemistry for the detection of epinephrine with a low detection limit.
Review
Chemistry, Multidisciplinary
Dan He, Yawen Li, Fuwen Zhao, Yuze Lin
Summary: High trap density in organic solar cells leads to localized charge carriers and reduced carrier lifetime, limiting device efficiency. This feature article summarizes the recent advances of trap suppression by material design and device engineering.
CHEMICAL COMMUNICATIONS
(2024)
Review
Chemistry, Multidisciplinary
Olivier Monfort, Arshitha Madhusudhan, Martin Motola
Summary: This article presents the advantages of coupling photocatalysis and Fenton-based processes for environmental remediation and discusses their synergy. It critically examines the simultaneous triggering of these two processes and provides insights into research approaches. The study aims to enhance understanding of this complex process and highlight the potential integration of new catalysts in current wastewater treatment technology.
CHEMICAL COMMUNICATIONS
(2024)
Article
Chemistry, Multidisciplinary
Manideepa Dhar, Chittaranjan Mishra, Avijit Das, Uttam Manna
Summary: An approach of 'polymerization of monomers in its aggregated form' has been introduced to tailor the water wettability of fibrous and porous substrates, achieving hydrophobicity to superhydrophobicity transition, as well as patterned wettability. This facile chemical method provides a durable coating with adjustable and patterned wettability for various potential applications.
CHEMICAL COMMUNICATIONS
(2024)
Article
Chemistry, Multidisciplinary
Saswat Ranjan Bhoi, Chhanda Debnath, Shikha Gandhi
Summary: In this article, a novel catalytic reaction using Pd(0) and Bronsted acid is reported for the synthesis of biologically important imidazolidinone-fused N-heterocycles through redox-neutral intramolecular N-allylation of indoles and pyrroles with alkynes. This atom-economical method is applicable to a wide range of substrates and eliminates the need for leaving groups or oxidizing agents commonly used in traditional allylation reactions.
CHEMICAL COMMUNICATIONS
(2024)
Article
Chemistry, Multidisciplinary
Longkun Chen, Mingshuai Zhang, Meichen Liu, Zhuoyuan Liu, Yuetong Qiu, Zhilai Zhang, Fuchao Yu, Jiuzhong Huang
Summary: In this study, an efficient Rh(III)-catalyzed selective mono- and dual-C-H bond functionalization/cyclization with iodonium ylide as the sole coupling partner was demonstrated. Fused benzodiazepine skeletons were obtained in excellent yields, providing an improved approach to dual C-H unsymmetrical functionalization.
CHEMICAL COMMUNICATIONS
(2024)
Article
Chemistry, Multidisciplinary
Alice Kennett, Sven Epple, Gabriella van der Valk, Irene Georgiou, Evelyne Gout, Romain R. Vives, Angela J. Russell
Summary: This study presents the design and synthesis of sulfated disaccharide inhibitors based on IdoA(2S)-GlcNS(6S), which showed potent inhibition of Sulf-2. The results suggest that IdoA(2S)-GlcNS(6S) is the shortest fragment size required for effective inhibition of Sulfs, and a trisulfated disaccharide is identified as the minimal fragment size of heparan sulfate for effective endosulfatase inhibition.
CHEMICAL COMMUNICATIONS
(2024)
Article
Chemistry, Multidisciplinary
Mauro Garbini, Andrea Brunetti, Riccardo Pedrazzani, Magda Monari, Massimo Marcaccio, Giulio Bertuzzi, Marco Bandini
Summary: The self-adaptability of galvanostatic electrolysis was found to be helpful in a multistage chemo- and diastereoselective electrochemically promoted cyclodimerization of chalcones. Through a series of reductive events, densely functionalized cyclopentanes with five contiguous stereocenters were obtained (25 examples, yields up to 95%, dr values up to >20:1). Further experimental and electrochemical investigations indicated the crucial role of dynamic kinetic resolution of the aldol intermediate in the reaction mechanism.
CHEMICAL COMMUNICATIONS
(2024)
Article
Chemistry, Multidisciplinary
Dhananjay S. Nipate, Neha Meena, Prakash N. Swami, Krishnan Rangan, Anil Kumar
Summary: In this study, the synthesis of functionalized benzo[a]phenazines and indazolo[2,3-a]quinolines was achieved through Rh(III)-catalyzed oxidative annulation of 2-arylquinoxalines and 2-aryl-2H-indazoles with allyl alcohols. The method showed a wide substrate scope, excellent functional group tolerance, good to high yields of annulated products, and the capability for scaled-up synthesis. A tentative mechanism of the annulation reaction was proposed based on a preliminary mechanistic investigation.
CHEMICAL COMMUNICATIONS
(2024)
Article
Chemistry, Multidisciplinary
Ruonan Zhang, Abudukadi Tudi, Xia Yang, Xuping Wang, Zhihua Yang, Shujuan Han, Shilie Pan
Summary: A new lead tellurium borate material with a unique fundamental building block [B4O10] was synthesized and found to exhibit high birefringence. The structure-property relationship was discussed using first-principles calculations.
CHEMICAL COMMUNICATIONS
(2024)
Article
Chemistry, Multidisciplinary
Amresh Kumar Singh, Baishali Thakurta, Anupam Giri, Monalisa Pal
Summary: This study introduces three key concepts for the quick synthesis of large-scale high-quality 2D materials films and their utilization in device fabrication.
CHEMICAL COMMUNICATIONS
(2024)
Article
Chemistry, Multidisciplinary
Reina Hagiwara, Shun Nishimura, Kosuke Okeyoshi
Summary: A copolymer-conjugated nanocatalytic system has been developed to improve electron transfer and enhance photoinduced H2 generation.
CHEMICAL COMMUNICATIONS
(2024)