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Characterization and DNA Interaction of Lanthanide Complexes Based on Thiourea Ligand

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Chinese Journal of Structural Chemistry 2021年第1期40卷 47-54,2页

作者： REN Ya-Wen HU Hang-Na ZHANG Jun ZHUANG Xin-Jing LI Dong-Ping LI Yong-Xiua Department of Chemistry Nanchang UniversityNanchang 330031China Key Laboratory of Functional Molecule Design and Interface Process Anhui Jianzhu UniversityHefei 230022China

Three isostructural lanthanide complexes,namely[Ln(L)_(3)·CH_(3) OH](Ln=Tb(1),Dy(2),Ho(3),HL=N-(pyridin-2-ylcarbamothioyl)benzamide),were successfully synthesized and characterized by IR,UV,elemental analysis,single-crystal X-ray diffraction and DNA-biding analysis.X-ray single-crystal diffractions show that the family of lanthanide complexes crystallizes in monoclinic C2/c space *** lanthanide atom is coordinated with three carbonyl-O atoms,three pyridyl-N atoms and three imine-N atoms from three distinct L^(-1) ligands,forming a distorted tricapped trigonal *** binding properties of complexes with ct-DNA were studied by simulating the physiological environment of human *** results suggest that compounds could bind with ct-DNA through interaction under a spontaneous process.

关键词： lanthanide complex crystal structure DNA-binding activity

Synergistic triple-site engineering in ABX 3 -type hybrid halides for high-performance nonlinear optical crystals

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Chinese Chemical Letters 2025年

作者： Yuwei Kang Can Yang Jun Zhang Qi Wu State Key Laboratory of New Textile Materials and Advanced Processing Technologies Wuhan Textile University Wuhan 430200 China State Key Laboratory of Functional Crystals and Devices Fujian Institute of Research on the Structure of Matter Chinese Academy of Sciences Fuzhou 350108 China Key Laboratory of Functional Molecule Design and Interface Process Anhui Jianzhu University Hefei 230601 China

Achieving non-centrosymmetric (NCS) configurations in ABX 3 -type hybrid halides remains a critical challenge for nonlinear optical (NLO) aterials due to the conflicting requirements of high second-harmonic generation (SHG) response, wide bandgap, and phase-matching capabilities. Herein, we propose a triple-site modulation strategy by synergistically tailoring the A -site cations (2-methylimidazole cation/1-ethyl-3-methylimidazole cation), B -site metals (Sn 2+ /Pb 2+ ), and X -site halogens (Cl/Br), which effectively disrupts lattice symmetry and enables NCS crystallization. Our results demonstrate a strong SHG response, an expanded optical bandgap and increased birefringence. The optimized compound C 6 H 11 N 2 PbCl 3 exhibits a record SHG efficiency of 3.8 × KDP, a wide bandgap (3.87 eV), and enhanced birefringence (0.14), surpassing majority hybrid NLO materials. The innovative anionic framework introduced here broadens the scope of hybrid NLO crystals, facilitating the integration of various aromatic heterocyclic cations. This research provides a robust strategy for the development of advanced NLO materials.

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Heterobimetallic lanthanide tetrahedral cages:Synthesis,design and application for potential multimodal imaging contrast agent

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Journal of Rare Earths 2024年第2期42卷 278-285,I0002页

作者： Yongxiu Li Feng Guo Siwei Wei Duofu Li Jun Zhang Kai Xu Dongping Li Department of Chemistry Nanchang UniversityNanchang330031China Key Laboratory of Functional Molecule Design and Interface Process Anhui Jianzhu UniversityHefei230601China Department of Otolaryngology Head and Neck SurgeryThe Second Affiliated Hospital of Nanchang UniversityNanchang330006China

The construction and functionalization of lanthanide-organic cages have been a research hotspot in coordination *** from the unique luminescent and magnetic properties of lanthanide ions,the potential applications of lanthanide-organic cages in biological imaging applications are promising,but only a few corresponding explorations have been *** rein,we introduced a series of lanthanide tetrahedral cages,(Eu_(n)Gd_(4-n)L_(4))(sol)_8(n=0,1,2,3 and 4,where L=(4,4',4"-tris(4,4,4-trifluoro-1,3-dioxobutyl)-triphenylamine,and sol=dimethyl sulfoxide and methanol),with potential applications in biological *** the good luminescent and magnetic properties of Eu^(3+) and Gd^(3+) ions,Eu_(4)L_(4) and Gd_(4)L_(4) complexes show a high luminescence quantum yield of 29% in DMSO and large longitudinal relaxivity(r_(1)) of 11.4(mmol/L)^(-1)/s at 0.5 T in water containing 1 vol% DMSO,*** heterobimetallic Eu-Gd complexes achieve a dual imaging mode by combining luminescent and magnetic centers in one *** the Gd:Eu ratio increases from 1:3 to 3:1,the r_(1) values increases from 5.33 to 8.64(mmoI/L)^(-1)/s,higher than that of commercial contrast agent Gd-DOTA(3.23(mmol/L)^(-1)/s).Owing to their low toxicity and good cell imaging ability toward ECA 109 cells,the selfassembled Eu-Gd heterobimetallic tetrahedral cages could be potential candidates for the multimodal imaging contrast agent.

关键词： Lanthanide organic cage Luminescence Cell imaging Contrast agents Rare earths

Facile synthesis and ethanol sensing performance of the SnO2 nanoplates 3

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Facile synthesis and ethanol sensing performance of the SnO2...

2022 3rd International Conference on Materials, Physics and Computers, MPC 2022 and 2022 3rd IETI Materials and Engineering Forum

作者： Li, Xiang-Hu Jin, Zhen Li, Dan Zhang, Huan Xu, Min-Da School of Electrical & Electronic Engineering Wuhan Polytechnic University Hubei Wuhan China Key Laboratory of Functional Molecule Design and Interface Process Anhui JianZhu University Anhui Hefei China

As concluded that the SnO2 nanoplates have good crystallinity, and the size of which is about 5μm. The SnO2 nanoplates exhibit good sensing performance in ethanol detection. There is a lower correct operating temperature (250 ºC). And, in a large range of 5-500 ppm, the SnO2 nanoplates display excellent linear sensing performance in ethanol detection. The as-prepared SnO2 nanoplates have superior sensing performance in ethanol detection, such as more rapid response, better repeatability and better sensitivity. Moreover, compared with commercial SnO2 powders, it is expected that the SnO2 nanoplates might become a standout gas sensing material and it owns close relations with the application of actual production and life. © 2022 Institute of Physics Publishing. All rights reserved.

关键词： Crystallinity

A Novel Multifunctional Electrolyte System for High Performance Li-Ion Batteries

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SSRN 2024年

作者： Zhu, Haibao Ma, Jun Ding, Huihui Wu, Huanhuan Zhang, Chengming Ni, Liping Lao, Li Fang, Xiaolong Wang, Xiufang Key Laboratory of Functional Molecule Design and Interface Process Anhui Jianzhu University Anhui Hefei230601 China SINOEV Technologies Inc. Anhui Hefei230601 China

The widespread application of lithium-ion battery-powered vehicles is limited by the inability to quickly charge and extreme ambient temperatures, and reasonable design of electrolyte components can effectively solve these problems. Here, a novel fluoroethylene carbonate (FEC)/ethyl acetate (EA) based electrolyte containing lithium difluorophosphate (LiPO2F2, 2 wt.%) and lithium bis(fluorosulfonyl)imide salt (LiFSI, 1.0 M) is first reported. The electrolyte containing these components has high ionic conductivity, low viscosity and low freezing point. Especially, due to the preferential decomposition of FEC, LiFSI and LiPO2F2, uniform multiphase inorganic LiF and Li3N species are formed on the electrode surface with enhanced robustness and ion transfer kinetics. So, the graphite||LiNi0.5Co0.2Mn0.3O2&LiMn2O4 (Gr||LMO&NCM523) batteries in the designed electrolyte maintain high capacity and coulombic efficiency (100%) after 200 cycles with 1 C charge/discharge current density at 25 °C and 45 °C. At -20 °C, the batteries have a coulombic efficiency of 50% and capacity of 38.0 mA h g-1 after 200 charging and discharging cycles, showing excellent low-temperature fast dynamics. Our work supplies an efficient way to accelerate the engineering application of Li-ion batteries. © 2024, The Authors. All rights reserved.

关键词： Electrolytes

Experimental Study Capacity Fading Mechanism in Multiple Overdischarge on Lini0.5Co0.2mn0.3o2 & limn2O4/Graphite Lithium-Ion Batteries

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SSRN 2023年

作者： Zhu, Haibao Ma, Jun Ding, Huihui Wu, Huanhuan Zhang, Chengming Fang, Xiaolong Xuan, Han Lao, Li Ni, Liping Wang, Xiufang Key Laboratory of Functional Molecule Design and Interface Process Anhui Jianzhu University Anhui Hefei230601 China SINOEV Technologies Inc. Anhui Hefei230601 China

Batteries can overdischarge in practical applications, but it does not pose safety risks. However, overdischarge can have a significant impact on battery performance. In this work, LiNi0.5Co0.2Mn0.3O2 (NCM) & LiMn2O4 (LMO)/graphite batteries are used as the main body. The failure mechanism of the battery under different temperature (-10 °C, 25 °C, 45 °C) and different depth of discharge (DOD) (105% DOD and 110% DOD) is studied systematically through the electrochemical methods, scanning electron microscopy (SEM), X-ray diffractometry (XRD), X-ray photoelectron spectroscopy (XPS). The results show that the deep overdischarge and high temperature accelerate the degradation of electrolyte, diaphragm and collector, and cause rupture and recombination of solid electrolyte interphase (SEI) film. These result in the loss of conductivity, active substances and lithium ions, in which the loss of lithium ions plays a dominant role. Moreover, the attenuation of positive active material is mainly caused by NCM. Our research results are of great significance for researchers to understand the failure mechanism of lithium batteries under different conditions and can provide important guidance for the safe design of lithium-ion batteries. © 2023, The Authors. All rights reserved.

关键词： Lithium-ion batteries

Short Stick-Shaped Mn0.5cd0.5s Grown in Situ on Cuse Nanosheets for Efficient Photocatalytic Hydrogen Evolution

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SSRN 2022年

作者： Jiang, Jingjing Zhang, Fengjun Liu, Chao Wang, Yingrui Meng, Zeda Mi, Chaoqun Key Laboratory of Functional Molecule Design and Interface Process Anhui Jianz hu University Anhui Hefei230601 China Anhui Key Laboratory of Advanced Building Materials Anhui Jianzhu University Anhui Hefei230022 China Key Laboratory of Functional Molecule Design and Interface Process Anhui Jianzhu University Anhui Hefei230601 China Construction Economy and Real Estate Management Research Center Anhui Jianzhu University Anhui Hefei230601 China Suzhou University of Science and Technology School of Chemistry and Life Scienc Suzhou215009 China Third Engineering Group of China Railway Shanghai Engineering Bureau Co. Ltd Anhui Hefei230051 China

The development of efficient and stable photocatalysts is very important for photocatalytic hydrogen evolution. In this work, a series of CuSe/Mn0.5Cd0.5S composites with high hydrogen evolution performance were synthesized by a simple hydrothermal method. The synthesized products were characterized by X-ray diffraction, Scanning electron microscopy, Transmission electron microscope, Mapping, X-ray photoelectron spectroscopy, UV-Vis diffuse reflection spectroscopy, Mott–Schottky, Transient photocurrent response, Electrochemical Impedance Spectroscopy, and Photoluminescence Spectroscopy. The obtained products showed efficient photocatalytic hydrogen evolution efficiency in Na2S·9H2O-Na2SO3 solution under visible light, with the highest photocatalytic hydrogen evolution efficiency reaching 24.73 mmol g-1 h-1, which was 4.1 times higher than pure Mn0.5Cd0.5S (5.99 mmol h-1 g-1) and 6.3 times higher than pure CdS (3.59 mmol h-1 g-1). A possible mechanism of photocatalytic hydrogen production was proposed. The addition of CuSe effectively enhances the photogenerated electron-hole separation efficiency and reduces the electron-hole pair complexation rate of CuSe/Mn0.5Cd0.5S composites. This work provides an effective way to improve the photocatalytic activity of Mn0.5Cd0.5S using transition metal selenide co-catalysts. © 2022, The Authors. All rights reserved.

关键词： Scanning electron microscopy

Fabrication of Multi-Scale Cds/Zno Heteroarchitectures with Boosted Dual Photocatalytic Activities for Hydrogen Generation and Organic Dye Degradation Under Solar Light

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SSRN 2022年

作者： He, Yunyun Hu, Hanmei Wang, Jian Wang, Xueying Sun, Mei Tian, Changan Deng, Chonghai Key Laboratory of Functional Molecule Design and Interface Process Anhui Jianzhu University Hefei230601 China Anhui Province Key Laboratory of Advanced Building Materials Anhui Jianzhu University Hefei230601 China School of Chemistry and Civil Engineering Shaoguan University Shaoguan512005 China School of Energy Materials and Chemical Engineering Hefei University Hefei230601 China

Binary multi-scale CdS/ZnO heterogeneous architectures comprised of zero-dimensional (0D) CdS nanoparticles depositing onto 3D flower-like architectures self-aggregated by 2D ZnO nanoflakes have been successfully fabricated by a facile aqueous chemical process. The H2-generation rate of the optimized CZ-3 is calculated to be 15.682 mmol·g-1·h-1 under simulated solar irradiation, which is 15.25, 101.17 and 39.70 times higher than that of pristine ZnO, bare CdS, and the physical mixture, respectively. The photocatalytic oxidation kinetics rate constant over the optimal CZ-3 in degradation of Congo red is measured to be 0.05686 min-1 under simulated sunlight, which reaches 7.21, 9.07, 5.82 folds higher than that of pristine ZnO, pure CdS, and the physical mixture, respectively. The dual boosted photocatalytic performance of CdS/ZnO composite is assigned to the synergetic multi-scale heteroarchitecture with the interfacial heterojunction. The photocatalytic electron transfer mechanism is proposed based on the perfect band matching and the free radical experiments. © 2022, The Authors. All rights reserved.

关键词： Cadmium sulfide

Facilitating H+ Ion Heterolysis Using Lattice Strained Pd-Tipped AU Nanorods for Direct H2o2 Synthesis in Pure Water

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SSRN 2023年

作者： Zhang, Fengjun Zhang, Defang Wang, Luyang Zhang, Kan Key Laboratory of Functional Molecule Design and Interface Process Anhui Key Laboratory of Advanced Building Materials Anhui Jianzhu University Anhui Hefei230601 China School of Materials Science and Engineering School of Chemistry and Chemical Engineering Nanjing University of Science and Technology Nanjing210094 China College of New Materials and New Energies Shenzhen Technology University Guangdong Shenzhen518118 China Department of Chemical and Biomolecular Engineering China

Direct H2O2 synthesis (DHS) from H2 and O2 over Pd catalyst is a potentially rewarding strategy to replace the industrial anthraquinone method, but the sluggish hydrogenation process seriously impedes production efficiency in pure water. Here, we report a lattice strained Pd catalyst which is formed on Au nanorods (NRs) tips by taking advantage of curvature. The lattice strained Pd tipped Au NRs (PTA) is found to be able to facilitate the H+ ion heterolysis, in particular with light illumination, thereby remarkably enhancing the DHS performance. The lattice strain effect together with light-induced hot electrons enables a production rate of 0.12 mol/g/h for H2O2 generation, which is 3.11 and 3.56 times higher than that of no light assistance or strain effect ones, respectively. Finally, a porous PTA film was assembled, which achieves a H2O2 concentration of ~2.3% within 24 h that is expected to make for direct medical use ( © 2023, The Authors. All rights reserved.

关键词： Surface plasmons