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Metal, Metal-Oxides and Metal-Organic Frameworks for Environmental Remediation 环境修复中的金属、金属氧化物和金属有机框架
Pub Date : 2021-01-01 DOI: 10.1007/978-3-030-68976-6
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引用次数: 3
EOV Editorial Board EOV编委会
Pub Date : 2016-12-01 DOI: 10.1080/15533174.2016.1208527
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引用次数: 0
Synthesis, Pyrolytic, and Antibacterial Study of 3-[(E)-(2-phenylhydrazinylidene)methyl]pyridine(PHMP) and Its Transition Metal Complexes 3-[(E)-(2-苯基肼基)甲基]吡啶及其过渡金属配合物的合成、热解及抗菌研究
Pub Date : 2016-11-01 DOI: 10.1080/15533174.2012.762682
S. Rehman, A. Faiz, R. Nawaz, N. Ali
Phenyl hydrazine and pyridine-3-carbaldehyde were coupled to form a new Schiff base 3-[(E)-(2-phenylhydrazinylidene)methyl]pyridine(PHMP), followed by the formation of its transition metal derivatives (i.e., Co(II), Cu(II), and Zn(II) complexes). All of them were characterized by physical and spectral methods such as 1H-NMR, IR, elemental analysis, UV-Vis spectra, and conductance studies. Thermal study was carried out with TG/DTA method to understand the degradation pattern of the newly synthesized ligand and its complexes. Antibacterial study was carried out with both the gram-positive (Bacillus subtilis, Staphylococcus aureus, Staphylococcus epidermis, Streptococcus pneumonia) and gram-negative bacteria (Pseudomonas aeruginosa, Salmonella typhi, Escherichia coli). The complexes showed medium activity as compared to the standard imipenem.
苯基肼和吡啶-3-乙醛偶联形成新的希夫碱3-[(E)-(2-苯基肼基)甲基]吡啶(PHMP),然后形成其过渡金属衍生物(即Co(II), Cu(II)和Zn(II)配合物)。通过1H-NMR、IR、元素分析、UV-Vis光谱和电导研究等物理和光谱方法对它们进行了表征。采用热重分析/差热分析方法对新合成的配体及其配合物进行了热分析。对革兰氏阳性菌(枯草芽孢杆菌、金黄色葡萄球菌、表皮葡萄球菌、肺炎链球菌)和革兰氏阴性菌(铜绿假单胞菌、伤寒沙门氏菌、大肠杆菌)进行抑菌研究。与标准亚胺培南相比,该配合物的活性中等。
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引用次数: 1
Preparation of silver nanoparticle loaded on activated carbon and its application for removal of malachite green from aqueous solution 活性炭负载纳米银的制备及其在去除孔雀石绿中的应用
Pub Date : 2016-08-31 DOI: 10.1080/15533174.2016.1228670
K. Mortazavi, H. Rajabi, A. Ansari, M. Ghaedi, K. Dashtian
AbstractAdsorption of malachite green (MG) onto silver nanoparticles loaded on activated carbon (Ag-NP-AC) was investigated. Useful information about this material was obtained by different techniques such as Brunauer Emmett and teller (BET), filed emission scanning electron microscopy (FE-SEM), X-ray diffraction (XRD) and Transmission electron microscopy. This reasonable low-cost, simple preparation and eco-friendly adsorbent is superior and alternative material to the current expensive substance for treatment of high amount of waste water. The influence of adsorbent dosage, initial dye concentration, and pH and contact time was examined to achieve and ascertain the optimal experimental conditions. The optimum dosage, pH and contact time for Ag-NP-AC were obtained to be 0.020 g, pH 5.00 and 25.0 min, respectively. The adsorption of malachite green obey the pseudo-second-order and intra-particle diffusion rate equation with 99.7% removal percentage at adsorbent dose of 0.025 g for 5–50 mg/L initial concen...
摘要研究了活性炭(Ag-NP-AC)负载银纳米颗粒对孔雀石绿(MG)的吸附。通过Brunauer Emmett and teller (BET)、场发射扫描电子显微镜(FE-SEM)、x射线衍射(XRD)和透射电子显微镜等不同技术获得了有关该材料的有用信息。这种合理、低成本、制备简单、环保的吸附剂是目前处理大量废水的昂贵物质的优越替代材料。考察了吸附剂用量、初始染料浓度、pH、接触时间等因素对吸附效果的影响,确定了最佳实验条件。Ag-NP-AC的最佳用量为0.020 g, pH为5.00,接触时间为25.0 min。当初始浓度为5 ~ 50 mg/L,吸附剂用量为0.025 g时,孔雀石绿的吸附符合准二级扩散速率方程,去除率达99.7%。
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引用次数: 16
Two Zinc(II) Complexes with 1D Chain and 2D Layer Directed by Competitive Coordination of the Mixed Ligands: Syntheses, Crystal Structures, and Fluorescent Properties 两种具有一维链和二维层的锌(II)混合配体竞争配位的配合物:合成、晶体结构和荧光性质
Pub Date : 2016-08-02 DOI: 10.1080/15533174.2015.1004429
P. Dai, Hong-Kun Zhao, E. Yang, Xiao‐Jun Zhao
Two new competitive coordination-directed zinc(II) complexes, [Zn2(bpp)2(na)4]n (1) and [Zn(bpp)2(nas)2]n (2) (bpp = 1,3-bi(4-pyridyl)propane, na− = 1-naphthoate, and nas− = 2-aminonaphthalene-1-sulfonate), were hydrothermally synthesized by varying carboxylate- or sulfonate-containing coligands. Structural analyses reveal that complex 1 modified by terminal na− spacers possesses a bent one-dimensional chain bridged by ditopic bpp linkers. By contrast, complex 2 with two monodentate nas− ligands exhibits a two-dimensional layered structure extended by four equatorial bpp connectors. Obviously, the increase on the dimensionality of 2 than 1 is significantly resulting from the competitive coordination of the two mixed ligands with differently tunable binding groups to variable metal polyhedra. In addition, both complexes with analogously high thermal stability display strong fluorescent emissions at room temperature resulting from the ligand-to-metal or intraligand charge-transfer, suggesting their hopeful applications as efficient fluorescent materials.
用不同的羧酸盐或磺酸盐配体水热合成了两个新的竞争性配位锌(II)配合物[Zn2(bpp)2(na)4]n(1)和[Zn(bpp)2(nas)2]n (2) (bpp = 1,3-双(4-吡啶基)丙烷,na−= 1-萘酸盐和nas−= 2-氨基萘-1-磺酸盐)。结构分析表明,末端na -间隔剂修饰的配合物1具有由双向bpp连接剂桥接的弯曲一维链。相比之下,具有两个单齿nas -配体的配合物2呈现出由四个赤道bpp连接器扩展的二维层状结构。显然,2维数比1维数的增加主要是由于两种具有不同可调结合基的混合配体与可变金属多面体的竞争配位。此外,这两种具有类似高热稳定性的配合物在室温下由于配体到金属或配体内的电荷转移而显示出强烈的荧光发射,这表明它们有望作为高效荧光材料应用。
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引用次数: 0
Synthesis, Characterization, and Crystal Structures of New Oxovanadium(V) Complexes With Mixed Nicotinohydrazone and 8-Hydroxyquinoline Ligands 新型烟碱腙- 8-羟基喹啉氧钒配合物的合成、表征及晶体结构
Pub Date : 2016-08-02 DOI: 10.1080/15533174.2015.1004432
G. Sheng, Xiao Han, Y. Ye, Jingzhu Ren, Z. You, Hailiang Zhu
Two similar oxovanadium(V) complexes, [VOL1L′] (1) and [VOL2L′] (2), were prepared by the reaction of [VO(acac)2] (where acac = acetylacetonate), 8-hydroxyquinoline (HL′) with N′-(5-fluoro-2-hydroxybenzylidene)nicotinohydrazide (H2L1) and N′-(3-bromo-5-chloro-2-hydroxybenzylidene)nicotinohyrazide (H2L2), respectively, in methanol. Crystal and molecular structures of the complexes were determined by elemental analysis, infrared, and UV-vis spectra and single-crystal X-ray diffraction. The nicotinohydrazone ligands coordinate to the V atoms through the phenolate oxygen, imino nitrogen, and enolate oxygen. The 8-hydroxyquinoline ligand coordinates to the V atom through the phenolate oxygen and pyridine nitrogen. The V atoms in both complexes are in octahedral coordination.
用[VO(acac)2] (acac =乙酰丙酮)、8-羟基喹啉(HL ')分别与N ' -(5-氟-2-羟基苄基)烟酰肼(H2L1)和N ' -(3-溴-5-氯-2-羟基苄基)烟酰肼(H2L2)在甲醇中反应制备了两个相似的氧钒配合物[VOL2L '](1)和[VOL2L '](2)。通过元素分析、红外光谱、紫外-可见光谱和单晶x射线衍射测定了配合物的晶体和分子结构。烟碱腙配体通过苯酚氧、亚胺氮和烯醇氧与V原子配位。8-羟基喹啉配体通过酚氧和吡啶氮与V原子配位。两种配合物中的V原子均呈八面体配位。
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引用次数: 2
Construction of a New Co(II) Coordination Polymer With Excellent Photocatalytic Property 一种新型光催化性能优异的Co(II)配位聚合物的构建
Pub Date : 2016-08-02 DOI: 10.1080/15533174.2015.1004439
Yan Zhang, Pingping Zhou, Wei Liu, Zhong-qiang Zhang
A new Co(II) coordination polymer, namely [Co2(mbdc)(ATAZ)2(H2O)2]n·nH2O (1; H2mbdc = isophthalic acid, HATAZ = 3-amino-1,2,4-triazole) has been synthesized via the solvothermal reactions of Co(NO3)2, isophthalic acid and 3-amino-1,2,4-triazole. Single-crystal X-ray diffraction analysis reveals that compound 1 features a 3 D pillar-layer framework based on Co(II)-aminotriazole layers and mbdc2− pillars, which can be simplified into a noninterpenetrated pcu topological network. The photocatalytic studies on compound 1 indicate that it can be used as an active catalyst for the photodegradation of methylene blue under UV light.
一种新型Co(II)配位聚合物[Co2(mbdc)(ATAZ)2(H2O)2]n·nH2O (1;H2mbdc =异苯二甲酸,HATAZ = 3-氨基-1,2,4-三唑)是由Co(NO3)2、异苯二甲酸和3-氨基-1,2,4-三唑溶剂热反应合成的。单晶x射线衍射分析表明,化合物1具有基于Co(II)-氨基三唑层和mbdc2 -柱的三维柱-层框架,可以简化为非互穿的pcu拓扑网络。对化合物1的光催化研究表明,它可以作为紫外光下光降解亚甲基蓝的活性催化剂。
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引用次数: 2
A New Ni(II) Coordination Polymer Based on Imidazole-Containing and Dicarboxylate Ligands with Polycatenated 2D + 2D → 3D Framework 一种新型含咪唑二羧酸配体2D + 2D→3D聚catenated框架镍(II)配位聚合物
Pub Date : 2016-08-02 DOI: 10.1080/15533174.2015.1004448
Li-li Yang
A new coordination polymer, {[Ni(sdb)(bimb)1.5]·H2O} (1) (H2sdb = 4,4'-sulfonyl- dicarboxylic acid and bimb = 1,4-bis(1-imidazol-yl)-2,5-dimethyl benzene) has been prepared by hydrothermal synthesis and characterized by elemental analysis, IR, and X-ray diffraction. Complex {[Ni(sdb)(bimb)1.5]·H2O} (1), monoclinic, space group P21/c with a = 13.494(5)Å, b = 14.313(5) Å, c = 17.803(5) Å, β = 97.792(5)°, V = 3407(2) Å3, Z = 4, Mr = 738.43, Dc = 1.440 g/cm3, F(000) = 1532, and µ = 0.689 mm−1. The final refinement gave R = 0.0351and wR = 0.0950 for 6688 reflections with I > 2σ(I). X-ray diffraction analysis reveals that complex 1 shows a three-dimensional 2D + 2D → 3D Framework.
采用水热法合成了一种新的配位聚合物{[Ni(sdb)(bimb)1.5]·H2O} (1) (H2sdb = 4,4′-磺酰基-二羧酸,bimb = 1,4-双(1-咪唑基)-2,5-二甲基苯),并用元素分析、红外光谱和x射线衍射对其进行了表征。配合物{[Ni(sdb)(bimb)1.5]·H2O}(1),单斜,空间群P21/c, a = 13.494(5)Å, b = 14.313(5) Å, c = 17.803(5) Å, β = 97.792(5)°,V = 3407(2) Å3, Z = 4, Mr = 738.43, Dc = 1.440 g/cm3, F(000) = 1532,µ= 0.689 mm−1。最后的细化得到了6688次反射的R = 0.0351, wR = 0.0950。x射线衍射分析表明,配合物1呈现三维2D + 2D→3D框架。
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引用次数: 0
Synthesis, Structure, and Luminescent Property of a New Cd(II) Compound With Rod-Shaped Hexanuclear {Cd6(COO)12} as Building Subunits 以{Cd6(COO)12}为亚基的新型棒状六核Cd(II)化合物的合成、结构和发光性能
Pub Date : 2016-08-02 DOI: 10.1080/15533174.2015.1004441
Xiaohui Li, Qifeng Liu, Yanli Dong
A new Cd(II) coordination polymer, namely {Cd3(pbdc)3(e-murea)(DMF)}n·n(e-murea) (1, H2pbdc = terephthalic acid, e-murea = 1,3-dimethyl-2-imidazolidinone, DMF = N,N'-dimethylformamide), has been successfully synthesized via the urothermal reactions of Cd(II) ions and terephthalic acid ligand. Single-crystal X-ray structural analysis reveals that 1 features a two-dimensional layer framework with rod-shaped hexanuclear {Cd6(COO)12} clusters as building subunits. In addition, the luminescent property of 1 was also studied at room temperature.
通过Cd(II)离子与对苯二甲酸配体的热反应,成功合成了新的Cd(II)配位聚合物{Cd3(pbdc)3(e-murea)(DMF)}n·n(e-murea) (1,h2pbdc =对苯二甲酸,e-murea = 1,3-二甲基-2-咪唑烷酮,DMF = n, n '-二甲基甲酰胺)。单晶x射线结构分析表明,1具有以棒状六核{Cd6(COO)12}团簇为构建亚基的二维层框架。此外,还研究了1在室温下的发光特性。
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引用次数: 4
Synthesis, Crystal Structure, and Properties of a New Zinc(II) Coordination Polymer With Mixed 4,4′-biphenyldisulfonic Acid and N-Donor Ligands 一种新型4,4 ' -联苯二磺酸- n给体锌配位聚合物的合成、晶体结构和性能
Pub Date : 2016-07-27 DOI: 10.1080/15533174.2011.614999
E. K. Lermontova, Guo‐Ping Yang, Xun Wang, Yaoyu Wang, Q. Shi
A new zinc(II) coordination polymer, namely [Zn(bipy)2(H2O)4]n·n(dsba) (1), has been synthesized by the mixed 4,4′-biphenyldisulfonic acid (H2dsba) and 4,4′-bipyridine (bipy) ligands with Zinc(II) salt under the common solution evaporation method. The results of the X-ray crystal diffraction analysis show that complex 1 belongs to the monoclinic system with P21/c space group. The unit cell constants of complex 1 are a = 9.2579 Å, b = 12.2016 Å, c = 14.447 Å, α = γ = 90˚, β = 93.476˚. Complex 1 exhibits a three-dimensional supramolecular network based on the discrete structure by utilizing various H-bonded interactions. In addition, the properties of complex 1, such as the elemental analysis, FT-IR spectroscopy, X-ray powder diffraction, and fluorescence spectroscopy were also characterized and are discussed in detailed.
以4,4′-联苯二磺酸(H2dsba)和4,4′-联吡啶(bipy)配体与锌(II)盐为原料,采用普通溶液蒸发法制备了新型锌(II)配位聚合物[Zn(bipy)2(H2O)4]n·n(dsba)(1)。x射线晶体衍射分析结果表明,配合物1属于单斜晶系,具有P21/c空间群。配合物1的单位胞常数为a = 9.2579 Å, b = 12.2016 Å, c = 14.447 Å, α = γ = 90˚,β = 93.476˚。配合物1利用各种氢键相互作用,呈现出基于离散结构的三维超分子网络。此外,还对配合物1的元素分析、FT-IR光谱、x射线粉末衍射、荧光光谱等性质进行了表征并进行了详细的讨论。
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引用次数: 0
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Synthesis and Reactivity in Inorganic, Metal-Organic, and Nano-Metal Chemistry
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