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Bio-inspired Materials for Photocatalytic Hydrogen Production

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Chinese Journal of Structural Chemistry 2020年第12期39卷 2123-2130,2054页

作者： JIANG Xia CHEN Yan-Xin lu can-zhong CAS Key Laboratory of Design and Assembly of Functional Nanostructures and Fujian Provincial Key Laboratory of NanomaterialsFujian Institute of Research on the Structure of MatterChinese Academy of SciencesFuzhou 350002China Xiamen Key Laboratory of Rare Earth Photoelectric Functional Materials Xiamen Institute of Rare-earth MaterialsHaixi InstitutesChinese Academy of SciencesXiamen 361021China

After millions of years of evolution,species in nature have structures and complex elements that are difficult to synthesize ***,these fine structures and compositions are often beneficial to improve the photocatalytic ***,various materials with special morphology,pore structure and element composition derived from biomass have emerged and are widely *** mini review focuses on the preparation of bio-inspired materials and their current status in photocatalytic hydrogen ***,this will bring new perspectives to researchers and make them learn more about the advantages of"learning from nature"and pay more attention to the green design of material structures.

关键词： biomass bio-inspired materials photocatalytic hydrogen production

Crystal Structure and Photophysical Property of 9-(4-(5-(6-Methylpyridin-2-yl)-3-phenyl-1H-1,2,4-triazol-1-yl)phenyl)-9H-carbazole

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Chinese Journal of Structural Chemistry 2020年第10期39卷 1871-1876,1745页

作者： HU Zhi-Min YU Rong-Min lu can-zhong College of Science North University of ChinaTaiyuanShanxi 0300051China State Key Laboratory of Structural Chemistry Fujian Institute of Research on the Structure of MatterChinese Academy of SciencesFuzhou 350002China

X-ray single-crystal structure analysis,UV-Vis,and photoluminescent properties of organic compound,9-(4-(5-(6-methylpyridin-2-yl)-3-phenyl-1H-1,2,4-triazol-1-yl)phenyl)-9H-carbazole(compound 1)were *** 1 crystallizes in monoclinic system,space group P2(1/c)with a=16.0434(9),b=17.920(1),c=8.3453(5)A,β=94.142(5)°,V=2393.0(2),Z=4,Mr=477.55,Dc=1.326 g/cm^3,F(000)=1000,μ=0.080 mm^–1,GOOF=1.025,the final R=0.0505 and wR=0.1226 for 4921 observed reflections with I>2σ(I).Compound 1 is a donor-acceptor type molecule,in which the carbazolyl group(cz)acts as an electron donor,and the group of 2-(1,3-diphenyl-1H-1,2,4-triazol-5-yl)-6-methylpyridine(MePyTz)as an electron *** methylene chloride,compound 1 exhibits deep blue luminescence with maximum at 440 nm,lifetime of 4.2 ns under N2 and quantum yield ofф=0.18 at room *** experimental and computational results show that the emission of compound 1 originates from the lowest singlet excited state(S1)with charge transfer character.

关键词： organic donor-acceptor compound crystal structure photoluminescence DFT calculation

One-dimensional Zigzag Chain Composed of HgI_2 Unit and 2,5-Bis(4-pyridyl)-1,3,4-thiadiazole:[HgI_2(C_(12)H_8N_4S)]

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Chinese Journal of Structural Chemistry 2006年第10期25卷 1189-1192页

作者： CHEN Li-Juan MENG Ze-Rong ZHANG Quan-Zheng WU Xiao-Yuan lu can-zhong State Key Laboratory of Structural Chemistry Fujian Institute of Research on the Structure of Matter The Chinese Academy of Sciences Fuzhou Fujian 350002 China

The title compound, [HgI2（C12H8N4S）], has been synthesized and characterized by single-crystal X-ray diffraction analysis. It crystallizes in monoclinic, space group P21/n with a = 14.086（2）, b = 6.0365（6）, c = 20.286（2）°A,β= 108.818（5）°, V = 1632.7（3）°A^3, Mr = 694.67, Z = 4, D, = 2.826 g/cm^3,μ= 13.331 mm^-1, F（000） = 1240, S = 1.108, the final R = 0.0438 and wR = 0.0934 for 3085 observed reflections （I〉 2σ（I））. The Hg（Ⅱ） atom is coordinated by two 2,5-bis（4-pyridyl）-1,3,4-thiadiazole （L） molecules and two iodine anions in a distorted tetrahedral coordination geometry. Mercury atoms are linked by the organic ligands to form a one-dimensional zigzag chain. It is noteworthy that such 1D zigzag chains are extended into a two-dimensional double layer framework through I…I interactions

关键词： 2,5-bis(4-pyridyl)-1,3,4-thiadiazole mercury(Ⅱ) complex 2D double layer

A Stable Polyoxometalate-based Coordination Polymer for Light Driven Degradation of Organic Dye Pollutant

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Chinese Journal of Structural Chemistry 2021年第11期40卷 1449-1455,1406页

作者： WANG Man WU Xiao-Yuan WANG Sa-Sa lu can-zhong College of Chemistry Fuzhou UniversityFuzhou 350108China CAS Key Laboratory of Design and Assembly of Functional Nanostructures and Fujian Provincial Key Laboratory of NanomaterialsFujian Institute of Research on the Structure of MatterChinese Academy of SciencesFuzhou 350002China University of Chinese Academy of Sciences Beijing 100049China Xiamen Institute of Rare Earth Materials Chinese Academy of SciencesXiamen 361021China

A new POM-based coordination polymer,[Cl_(2)Cu^(Ⅰ)_(11)(trz)_(8)][H_(3)SiW_(12)O_(40)](1),was successfully obtained under hydrothermal *** compound was characterized by single-crystal X-ray diffraction,TGanalyses,IR spectra and PXRD *** 1 shows extreme stability and outstanding catalytic activity to the degradation of organic dye pollutant.

关键词： polyoxometalate-based coordination polymer photocatalysis 1,2,4-triazole

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Synthesis and Crystal Structure of a New Copper(II) Complex with 4-Cyanobenzoic Acid

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Chinese Journal of Structural Chemistry 2005年第11期24卷 1281-1285页

作者： LI Yan WU A-Qing ZHENG Fa-Kun GUO Guo-Cong lu can-zhong HUANG Jin-Shun State Key Laboratory of Structural Chemistry Fujian Institute of Research on theStructure of Matter The Chinese Academy of Sciences Fuzhou Fujian 350002 China Graduate School The Chinese Academy of Sciences Beijing 100039 China

A new Cu（Ⅱ） complex [Cu（4-cba）（1,10-phen）（H2O）2]（NO3）（4-Hcba = 4-cyanobenzoic acid） has been synthesized by solvothermal reaction in an ethanol/water mixed solution at 100 ℃ and structurally characterized by single-crystal X-ray diffraction. Crystallographic data： C20H16CuN4O7, Mr= 487.91, triclinic, space group PI, a = 7.8420（2）, b = 9.1070（2）, c = 15.1140（6） A, a = 76.889（9）, β = 81.332（11）, γ = 74.844（ 11）°, V = 1009.89（5） A^3, Z = 2, Dc = 1.605 g/cm^3, F（000） = 498, μ = 1.134 mm^-1, the final R = 0.0379 and wR = 0.0865 for 2977 observed reflections with 1 〉 2σ（Ⅰ）. The Cu（Ⅱ） atom is coordinated by two terminal water molecules, one chelating 1,10-phen molecule and one monodentate 4-cba ligand to form a slightly distorted square pyramid. The title complex molecules are connected through hydrogen bonds and π-π stacking interactions to generate a 2D layered network. The thermogravimetric analysis of the title complex has also been discussed.

关键词： copper(Ⅱ) complex,4-cyanobenzoic acid crystal structure hydrogen bonds,π-π stacking

A New One-dimensional Zigzag Chain [Zn(1,5-NDC)(2,2′-bipy)]_n Obtained from Hydrothermal Reaction

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Chinese Journal of Structural Chemistry 2006年第11期25卷 1293-1296页

作者： MENG Ze-Rong HE Xiang WU Xiao-Yuan CHEN Li-Juan YANG Wen-Bin lu can-zhong State Key Laboratory of Structural Chemistry Fujian Institute of Research on theStructure of Matter The Chinese Academy of Sciences Fuzhou Fujian 350002 China

The title compound, [Zn（NDC）（2,2＇-bipy）], （NDC = 1,5-naphthalenedicarboxylate, 2,2＇- bipy = 2,2＇-bipyridine）, has been synthesized by a hydrothermal reaction and characterized by single-crystal X-ray diffraction analysis. It crystallizes in monoclinic, space group C2/c with a = 19.967（4）, b = 17.158（3）, c = 14.276（3） A,β = 129.623（5）°, V = 3767.4（12） A^3, Z = 8, C22H14N2O4Zn, Mr = 435.72, Dc= 1.536 g/cm^3, F（000） = 1776, μ（MoKα） = 1.336 mm^-1, the final R = 0.0777 and wR = 0.2447 for 2032 observed reflections （I 〉 26（/））. The Zn（II） ion is six-coordinated by two nitrogen and four oxygen atoms in a distorted octahedral environment. NDC ligand has a bis（bridging bidentate） coordination mode in the compound, The zinc atoms are linked by carboxylate groups of NDC ligand in bridging mode into a one-dimensional zigzag chain.

关键词： 1,5-NDC zinc coordination polymer crystal structure

A Tetranuclear Cuprous Halide Cluster Exhibiting Efficient Blue Thermally Activated Delayed Fluorescence

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Chinese Journal of Structural Chemistry 2021年第11期40卷 1489-1495,1408页

作者： WANG Pei HUANG Chun-Hua CHEN Xu-Lin lu can-zhong CAS Key Laboratory of Design and Assembly of Functional Nanostructures and Fujian Provincial Key Laboratory of NanomaterialsFujian Institute of Research on the Structure of MatterChinese Academy of SciencesFuzhou 350002China Xiamen Institute of Rare-earth Materials Haixi InstitutesChinese Academy of SciencesXiamen 361021China Fujian Science&Technology Innovation Laboratory for Optoelectronic Information of China Fuzhou 350108China Huaqiao University Xiamen 361021China University of Chinese Academy of Sciences Beijing 100049China

A new tetranuclear cuprous halide complex,(CuBr)_(4)(PN)_(2)(PN=2-(diphenylphosphaneyl)-6-methoxypyridine),was synthesized and fully *** solid state,this complex exhibits efficient blue emission with a photoluminescence quantum yield of 43.3%and a decay time of 19μs at room *** theoretical calculations,combined with the temperature dependence of spectroscopic properties and emission decay behaviors,indicate that the emission in the solid state originates from the ^(1,3)(MLCT+XLCT)excited states,which are in thermal equilibrium with a small energy gap of about 0.1 eV.

关键词： cuprous complex thermally activated delayed fluorescence blue emission photoluminescence

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A Terbium(Ⅲ)-organic Coordination Polymer:Synthesis,Characterization and Its luminescence

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Chinese Journal of Structural Chemistry 2022年第2期41卷 79-84,I0009页

作者： MI Ying-Hao YANG Ming-Xue KUANG Xiao-Fei lu can-zhong State Key Laboratory of Structural Chemistry Fujian Institute of Research on the Structure of MatterChinese Academy of SciencesFuzhou 350002China College of Chemistry and Materials Science Fujian Normal UniversityFuzhou 350007China University of Chinese Academy of Sciences Beijing 100049China

A new 3D terbium(Ⅲ)metal-organic network[Tb(HIMDC)(HCOO)(H_(2)O)]_(n)(complex 1)has been synthesized by Tb^(3+)ions coordinated with 4,5-imidazole dicarboxylic acid(H_(3)IMDC)and formic acid under solvothermal conditions with the mixed solvents of N,N-dimethylformamide(DMF)and H_(2)*** unambiguous structural determination has been confirmed by single-crystal X-ray diffraction combined with elemental analysis,infrared(IR)spectrum,thermogravimetric analysis(TGA)and powder X-ray diffraction(PXRD).Complex 1crystallizes in orthorhombic Fdd2 space group with a=22.295(2),b=24.097(3),c=6.7256(6)?,V=3613.3?^(3),Z=16,D_(c)=2.765 g/cm^(3),F(000)=2816,μ=7.855 mm^(-1),the final R=0.0173(I≥2σ(I)),w R=0.0416(all data)and GOOF=*** complex 1,the Tb^(3+)ions are connected by HIMDC^(2-)anions into 2D metal-organic layers which are further extended into a three-dimensional(3D)architecture through formic acid functional *** addition,complex 1 shows intense and characteristic green luminescence.

关键词： coordination polymer crystal structure photoluminescence

First Isolation and Confirmation of Sterol Based on β-sitosterol Skeleton from the Leaves of Podocarpusnagi Planted in Fujian, Preliminary in vitro Anticancer Activity and the Crystal Structure

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Chinese Journal of Structural Chemistry 2021年第5期40卷 653-658,531页

作者： YANG Yang YONG Jian-Ping OLAGOKE Zacchaeus Olatunde lu can-zhong Fujian Institute of Research on the Structure of Matter Haixi InstituteChinese Academy of SciencesFuzhou 350002China Shanghai Advanced Research Institute Chinese Academy of SciencesShanghai 201210China Xiamen Institute of Rare-earth Materials Haixi InstituteChinese Academy of SciencesXiamen 361021China Shanghai Tech University Shanghai 201210China University of Chinese Academy of Sciences Beijing 100049China

The crystal of(24 R)-3β,5α-dihydroxy-24-ethyl-5α-cholestan-6-one(1) was isolated from the leaves of *** planted in Fujian for the first time with the same skeleton as 26,27-dinorcholest-5-en-3-β-ol(2) andβ-sitosterol(3) that have been reported *** 1 crystallizes in monoclinic,space group P2_(1) with a=10.8482(4),b=7.3671(3),c=33.7860(15) A,β=93.103(4)°,V=2696.21(19) A^(3),Z=75,M_(r)=446.70,ρ_(calc)=1.145 g/cm^(3),F(000)=1032,μ=0.572 mm^(-1),GOOF=1.034,the final R=0.0467 and wR=0.1129 for 6989 observed reflections with I> 2σ(Ⅰ).Compound 2 was selected to evaluate for their preliminary in vitro anticancer activity against four cancer cell lines for the first *** results showed that compound 2 exhibited great inhibition against gastric cancer,breast cancer MCF-7,lung cancer A549 and Helacell lines with the inhibitions of89.16% ± 1.17,97.02%±0.53,47.20%±2.58 and 36.89%±1.22 respectively at the concentration of 1.4×10^(-2) M,which means that we found the new anticancer compound in this plant medicine.

关键词： Podocarpusnagi crystal structure sterols isolation anticancer evaluation