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基于V型配体的三个荧光Zn⁃MOF对水溶液中2,4,6⁃三硝基苯酚和Fe^(3+)的荧光传感 被引量:3
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作者 徐涵 潘兆瑞 +1 位作者 亓昭鹏 孙洁 《无机化学学报》 SCIE CAS CSCD 北大核心 2022年第12期2479-2490,共12页
在溶剂热条件下,合成了3个基于V型配体的Zn􀃭金属有机骨架:{[Zn_(2)(BIDPS)_(2)(OBA)_(2)]·DMA}_(n)(1)、{[Zn(BIDPT)(PA)]·DMF}_(n)(2)和{[Zn(BIDPS)(PA)(H_(2)O)_(2)]·2H_(2)O}_(n)(3)(BIDPS=4,4'‑二(1‑... 在溶剂热条件下,合成了3个基于V型配体的Zn􀃭金属有机骨架:{[Zn_(2)(BIDPS)_(2)(OBA)_(2)]·DMA}_(n)(1)、{[Zn(BIDPT)(PA)]·DMF}_(n)(2)和{[Zn(BIDPS)(PA)(H_(2)O)_(2)]·2H_(2)O}_(n)(3)(BIDPS=4,4'‑二(1‑咪唑基)苯砜,H_(2)OBA=4,4'‑二苯醚二甲酸,H_(2)PA=帕莫酸,BIDPT=4,4'‑二(1‑咪唑基)苯硫醚)。利用X射线单晶衍射、红外光谱、元素分析、热重分析、X射线粉末衍射对其结构进行了表征。配合物1具有二重穿插的三维cds拓扑网络结构。配合物2为二维(4,4)层状结构,层与层之间通过互锁形成2D→3D的三维金属有机骨架。配合物3具有一维链状结构,一维链通过分子内和分子间氢键连接,形成三维超分子结构。荧光研究表明,配合物1~3可以在pH=4~10的水溶液中稳定存在,且在水中具有较强的发光性能,可作为检测2,4,6‑三硝基苯酚和Fe^(3+)的发光传感器,具有较高的灵敏度和选择性。 展开更多
关键词 配位聚合物 晶体结构 氢键 荧光
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一步可控合成二氧化硅纳米管和空心球(英文) 被引量:2
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作者 刘旸 潘兆瑞 +1 位作者 石翛然 郎雷鸣 《无机化学学报》 SCIE CAS CSCD 北大核心 2019年第9期1698-1704,共7页
通过简单的溶胶凝胶法在相同体系中可控合成了新颖有序的二氧化硅纳米管和空心球,对制备二氧化硅纳米管的多种反应条件进行了系统研究。发现反应时间、溶液中水和乙醇比例、搅拌和滴加速度对形成管状结构都有着重要影响。同时,纳米管的... 通过简单的溶胶凝胶法在相同体系中可控合成了新颖有序的二氧化硅纳米管和空心球,对制备二氧化硅纳米管的多种反应条件进行了系统研究。发现反应时间、溶液中水和乙醇比例、搅拌和滴加速度对形成管状结构都有着重要影响。同时,纳米管的形成机理研究表明,在醇水混合溶液中柠檬酸三铵晶体为细柱状形貌,其作为重要的结构导向剂为二氧化硅胶晶附着提供模板,从而形成管状结构,二氧化硅空心球也显示了相似的形成过程。 展开更多
关键词 二氧化硅纳米管 空心球 柠檬酸三铵 柠檬酸 溶胶凝胶制备
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以4,4′⁃二(1⁃咪唑基)苯砜或4,4′⁃二(1⁃咪唑基)苯硫醚为配体的配位聚合物的合成、晶体结构及性质 被引量:1
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作者 徐涵 潘兆瑞 江蓉 《无机化学学报》 SCIE CAS CSCD 北大核心 2022年第6期1133-1145,共13页
通过水热法合成并表征了3个基于V型配体构筑的新颖配位聚合物{[Cd(BIDPS)(PA)(H_(2)O)]·CH_(3)OH}_(n)(1)、{[Zn(BIDPS)(pbdc)]·H_(2)O}_(n)(2)和[Mn(BIDPT)(NBA)]_(n)(3)(BIDPS=4,4′-二(1-咪唑基)苯砜,H_(2)PA=帕莫酸,p-H_(... 通过水热法合成并表征了3个基于V型配体构筑的新颖配位聚合物{[Cd(BIDPS)(PA)(H_(2)O)]·CH_(3)OH}_(n)(1)、{[Zn(BIDPS)(pbdc)]·H_(2)O}_(n)(2)和[Mn(BIDPT)(NBA)]_(n)(3)(BIDPS=4,4′-二(1-咪唑基)苯砜,H_(2)PA=帕莫酸,p-H_(2)bdc=对苯二甲酸,BIDPT=4,4′-二(1-咪唑基)苯硫醚,H_(2)NBA=4,4′-氮杂二基二苯甲酸)。单晶结构分析表明化合物1和2具有二维网络结构,化合物1进一步通过倾斜穿插形成三维结构,化合物2通过分子间氢键形成了三维网络结构。化合物3属于3-连接六边形的蜂窝状结构,通过C—H…π作用形成三维超分子结构。化合物1和2在水中具有很好的稳定性和荧光性质,可作为高灵敏度、高选择性荧光探针检测水溶液中的Fe^(3+)和Cr_(2)O_(7)^(2-),并能抵抗多种竞争离子的干扰。同时研究了其对Fe^(3)和Cr_(2)O_(7)^(2-)的荧光猝灭机理。 展开更多
关键词 配位聚合物 晶体结构 荧光 检测
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A Phenyl Sulfide Functionalized Luminescent Sensors for Efficient Fe3+ and Cr2O72- Ions Detection 被引量:1
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作者 XU Han pan zhao-rui 《Chinese Journal of Structural Chemistry》 SCIE CAS CSCD 2019年第12期2121-2128,共8页
A new complex, {[Cd(BIDPT)(NBA)]}n(1), was synthesized from the selfassembly of BIDPT(BIDPT = 4,4?-bis(imidazol-l-yl)diphenyl thioether) and H2NBA(H2 NBA = 4,4?-azanediyldibenzoic acid) ligands with Cd(Ⅱ... A new complex, {[Cd(BIDPT)(NBA)]}n(1), was synthesized from the selfassembly of BIDPT(BIDPT = 4,4?-bis(imidazol-l-yl)diphenyl thioether) and H2NBA(H2 NBA = 4,4?-azanediyldibenzoic acid) ligands with Cd(Ⅱ). 1 was characterized by infrared spectroscopy, powder X-ray diffraction, elemental analysis, and thermogravimetry measurement. 1 crystallizes in monoclinic system, space group P21/c with a = 8.8204(1), b = 29.835(3), c = 10.3813(1) ?, β = 96.180(2)°, V = 2730.7(5) ?3, Z = 4, C32H22CdN5O4S, Mr = 685.01, Dc = 1.666 g/cm3, μ = 0.926 mm-1, R = 0.0548 and wR = 0.1528. 1 features a parallel structure with 3-connected hcb network and the adjacent 2 D networks are stacked together via C–H···π interaction to form a 3 D network. Its application in detecting metal cations and inorganic anions was explored. 1 exhibits excellent photoluminescence sensing for Fe3+ and Cr2O72- ions. And the mechanism of quenching is also studied. 展开更多
关键词 luminescent sensor helical chain quenching mechanism
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Synthesis,Crystal Structure and Fluorescence Property of [Y(sip)(H_2O)_4]_n with 5-Sulfoisophthalate Ligand
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作者 WANG Yan pan zhao-rui +3 位作者 WANG Zuo-Wei HU Zheng LI Yi-Zhi ZHENG He-Gen 《Chinese Journal of Structural Chemistry》 SCIE CAS CSCD 北大核心 2006年第9期1057-1062,共6页
The title complex, [Y(sip)(H2O)4], (sip = 5-sulfoisophthalate), has been synthesized and characterized by elemental analysis, IR spectra and single-crystal X-ray analysis. The crystal belongs to the orthorhombic... The title complex, [Y(sip)(H2O)4], (sip = 5-sulfoisophthalate), has been synthesized and characterized by elemental analysis, IR spectra and single-crystal X-ray analysis. The crystal belongs to the orthorhombic system, space group Pna21, a = 7.235(4), b = 16.456(5), c = 10.316(3) A, V = 1228.2(9) A^3, Z = 4, Mr = 404.14, Dc = 2.186 g/cm63, F(000) = 808,μ= 4.979 mm^-1, the final R = 0.0474 and wR = 0.1125 for 2122 observed reflections with I 〉 2σ(I). The structural analysis shows that the intermolecular hydrogen bonds and π-π interactions result in a three-dimensional supramolecular structure. The complex shows intense luminescence in solid state at room temperature. 展开更多
关键词 crystal structure hydrogen bond network structure LUMINESCENCE
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A Metal-organic Framework Constructed from a Rare Rod-shaped Secondary Building Unit and Its Highly Efficient Photocatalytic Activity
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作者 XU Han pan zhao-rui 《Chinese Journal of Structural Chemistry》 SCIE CAS CSCD 2020年第8期1475-1482,1360,共9页
A new Cu(Ⅱ)coordination polymer,{[Cu3(oba)2(μ^3-OH)2(H2O)2].6H2O}n(H2 oba=4,4’-oxydibenzoic acid),was synthesized by the solvothermal route and characterized by IR,TGA and XRD.The complex crystallizes in the monocl... A new Cu(Ⅱ)coordination polymer,{[Cu3(oba)2(μ^3-OH)2(H2O)2].6H2O}n(H2 oba=4,4’-oxydibenzoic acid),was synthesized by the solvothermal route and characterized by IR,TGA and XRD.The complex crystallizes in the monoclinic system,space group P21/c with a=5.957(6),b=29.746(3),c=9.351(7)A,β=125.709(4)°,V=1345.4(2)A3,Z=2,C28H36Cu3O20,Mr=883.09,Dc=1.913 g/cm^3,F(000)=782,μ=2.427 mm-1,R=0.0780 and wR=0.1688 for 3120 observed reflections with I>2σ(I).The complex forms a 3D framework based on rare infinite rod-shaped secondary building units(SBUs),and C-H…πinteractions play an important role in stabilizing the 3D supramolecular architecture.It shows excellent catalytic activities for the degradation of safranin O(SO)and methylene blue(MB)dyes in aqueous solution under UV light irradiation.Furthermore,the apparent rate constants have also been investigated. 展开更多
关键词 Jahn Teller effect dye degradation photocatalytic activity fenton oxidation
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