Synthesis and Redox Study for Complex C_(60)Pt(CO)(Pph_3)

采用配体取代法 ,即在惰性气氛下以C60 取代Pt(CO) 2 (Pph3 ) 2 中的CO及Pph3 ,合成了C60 Pt(CO)(Pph3 )富勒烯金属配合物 ,利用元素分析、红外光谱、紫外可见光谱、光电子能谱等手段对产物进行鉴定和表征 ,结果表明 ,C60 以σ-π配位方式与Pt形成了稳定的 η2 型C60 配合物 .由于该分子存在超共轭作用 ,分子内电子流动性大 ,因而该配合物可能具有良好的光电转化性能及催化性能 .氧化还原性能研究表明 ,C60 在与金属有机基团Pt(CO) (Pph3 )形成配合物后 ,其还原电位向负方向发生了移动Fullerene and it′s dervant have unique poperties on physics and chemistry. The main purpose of the synthesis of new type fullerene complexes is to exploit the applications of fullerene and it′s dervant as functional materials. The method of ligand substituting was employed, by which, the fullerene complexe C 60Pt(CO)(Pph 3)has been perpared by the reaction of C 60 replacing the ligands CO and Pph 3 in Pt(CO) 2(Pph 3) 2 under a nitrogen atmosphere and refluxing. The title compound was characterized by elemental analysis, FT-IR, UV-vis, XPS. The results show that the structure of purposeful product is that the ligands CO and Pph 3 take up two coordination sites of the central metal, and C 60 take up another two sites in σ-π feeback pattern. The electron flowing power of the molecule is strong, because of super conjugation in the molecule. The complexe may have super poperties on photoelectricity and catalysis. The result of redox research indicates that the reduction potential of the complexe is more negative than that of pure C 60.福建省自然科学基金 (E0 110 0 0 2 )资助课题;; 高等学校博士学科点专项科研基金 (980 384 10 )资助课题;; 厦门大学校级自选课题基金资

Major causes of death in children less than 5 years of age in Fujian,China,2007-2010

目的分析福建省2007-2010年5岁以下儿童主要死亡原因情况及特征,为制定干预措施提供科学依据。方法 分析死因登记信息网络报告系统上报的福建省2007-2010年5岁以下儿童死因及特征。结果 2007-2010年福建省共报告6 166例5岁以下儿童死亡病例,年平均死亡率为6.28/万,各年龄组即0--岁、1--岁、2--岁、3--岁、4--5岁的死亡率分别为44.89/万、5.48/万、3.28/万、2.38/万、1.76/万。1岁以下占78.74%,1岁以下死亡儿童出生28d内死亡的占64.33%;病例的死亡时间均匀的分布在12个月份,没有明显的高峰时间;死亡地点主要在住院死亡(63.87%),最高诊断依据主要是单纯临床诊断(53.50%),最高级别诊断单位主要是地市级医院(42.96%);前5位的死因分别为围产期疾病、先天异常、伤害、流行性感冒和肺炎、传染病和寄生虫病,合计构成比为69.45%。结论 福建省2007-2010年5岁以下儿童死亡中,以婴儿死亡居多,婴儿死亡中又以新生儿死亡居多。围产期疾病、先天异常、伤害是5岁以下儿童死亡的三大死因。5岁以下儿童死因中先天性异常的比例在逐年上升,循环系统疾病比例在逐年下降。Objective To analyze major causes of death in children under 5 years of age in Fujian,China,and to provide scientific evidence for the protection of infants and young children.Methods The data of 2007-2010 death cases were collected from China Disease Report Information System for children under 5 years of age in Fujian.Microsoft Excel and SPSS 15.0 packages were respectively used to establish the database and to analyze the data.Results A total of 6 166 death cases were reported from 2007 to 2010 for children less than 5 years of age.Death rate was 62.8 /lakh on average.The death rates of children under 1,2,3,4 and 5 years of age were 448.9,54.8,32.8,23.8 and 17.6/lakh,respectively.The number of infant death accounted for 78.74% of cases.64.33% of infant death occurred in newborn babies.There was no seasonal difference for the cases of death.Most cases of death(63.87%) occurred in hospital.The top five causes of death were periparturient diseases,congenital malformations,injuries,influenza and following pneumonia,infectious and parasitic diseases,respectively,together of which accounted for 69.45% of death cases.Conclusion Newborn babies and infants were high risk groups for the death of children under 5 years of age in Fujian.The increasing trend of congenital malformation related death suggests the importance of prenatal screening testing

Synthesis, Characterization and Photovoltaic Effect of Porphyrin-Fullerene Compounds MP-C_(60)

The convalently linked porphyrin-fullerene ligand was synthesized by 1,3 dipolar cycloaddition reaction. The ligand and complexes were characterized by means of FT-IR, Uv-Vis, ~1HNMR, ESI-MS and elemental analysis. The photoelectricity transform performance of the compounds was studied.The result indicated that the photovoltaic effect of (n+n) heterojunction electrode formed by MP-C_(60)/GaAs was super, especially in the I_2/I_3~- and O_2/H_2O redox couples, and photovoltaic potential was preferable.The photovoltaic performance of a MP-C_(60)/GaAs electrode at 1-2 μm thinck MP-C_(60) film of appeared peak value.ProjectsupportedbytheNatureScienceFoundationofFujianprovince(E0410001)andSelf-selectProgramofXiamenUniversity(0040-Y07008)

Synthesis and Photovoltaic Effect Study for Fullerene Complexe C_(60)Pd(Ph_2PCH_2PPh_2)

在氮气氛下 ,采用配体取代法 ,即以C60 取代Pd(Ph2 PCH2 PPh2 ) 2 中一个Ph2 PCH2 PPh2 合成出富勒烯金属配合物C60 Pd(Ph2 PCH2 PPh2 ) ,采用元素分析、红外光谱、紫外可见光谱、光电子能谱以及X射线粉末衍射等手段对产物进行表征 .同时研究了产物的光电性能、氧化还原性能及热稳定性能 .光伏效应研究结果表明 ,产物具有优良的光电转化性能 ,尤其是在BQ/H2 Q介质电对中 ,光生电压最大达到 174mV ;当C60 Pd(Ph2 PCH2 PPh2 )薄膜厚度为 1μm时 ,光伏效应值最大 .Fulerene complexe C_ 60Pd(Ph_2PCH_2PPh_2) was perpared by the method of ligand substitution via the reaction of C_ 60 with Pd(Ph_2PCH_2PPh_2)_2 under condition of a nitrogen atmosphere and refluxing, and the title compound was appraised and characterized by methods of elemental analysis, FT-IR, UV-vis, XPS and XRD.The results showed that the structure of purposeful product was that the Ph_2PCH_2PPh_2 took up two coordination sites of the central metal, and C_ 60 took up another two sites in σ-π feeback pattern. The porperties on photoelectricity, redox and thermostability of the title complexe were studied. The results of studying on photoelectricity showed that the photovoltaic effect of (n+n) heterojunction electrode formed by C_ 60Pd(Ph_2PCH_2PPh_2)/GaAs was supper, especially in the BQ/H_2Q redox couple, and the greatest value of photovoltaic potential was up to 174 mV. The photovoltaic performance of C_ 60Pd(Ph_2PCH_2PPh_2)/GaAs electrode at 1 μm for thickness of C_ 60Pd(Ph_2PCH_2PPh_2) film was the best.ProjectsupportedbytheNaturalScienceFoundationofFujianprovince (E0 4 10 0 0 1,E0 110 0 0 1,F0 2 10 0 10 ) ,DoctorProgramofHighterEductionofChina (980 384 10 )andSelf selectProgramofXiamenUniversity

Synthesis and redox study for complex C60Pt (CO) (Pph(3))

Fullerene and it's dervant have unique poperties on physics and chemistry. The main purpose of the synthesis of new type fullerene complexes is to exploit the applications of fullerene and it's dervant as functional materials. The method of ligand substituting was employed, by which, the fullerene complexe C60Pt(CO) (Pph(3)) has been perpared by the reaction of C-60 replacing the ligands CO and Pph(3) in Pt(CO)(2) (Pph(3))(2) under a nitrogen atmosphere and refluxing. The tide compound was characterized by elemental analysis, FT-IR, UV-vis, XPS. The results show that the structure of purposeful product is that the ligands CO and Pph(3) take up two coordination sites of the central metal, and C-60 take up another two sites in sigma-pi feeback pattern. The electron flowing power of the molecule is strong, because of super conjugation in the molecule. The complexe may have super poperties on photo-electricity and catalysis. The result of redox research indicates that the reduction potential of the complexe is more negative than that of pure C-60

Synthesis, characterization and photovoltaic effect of porphyrin-fullerene compounds MP-C-60

The convalendy linked porphyrin-fullerene ligand was synthesized by 1, 3 dipolar cycloaddition reaction. The ligand and complexes were characterized by means of FT-IR, Uv-Vis, (HNMR)-H-1, ESI-MS and elemental analysis. The photoelectricity transform performance of the compounds was studied. The result indicated that the photovoltaic effect of (n + n) heterojunction electrode formed by MP-C-60/GaAs was super, especially in the I-2/I-3(-) and O-2/H2O redox couples, and photovoltaic potential was preferable. The photovoltaic performance of a MP-C-60/GaAs electrode at 1-2 mu m thinck MP-C-60 film of appeared peak value

Synthesis and photovoltaic effect study for fullerene complexe C60Pd(Ph2PCH2PPh2)

Fulerene complexe C-60 Pd (Ph2PCH2PPh2) was perpared by the method of ligand substitution via the reaction of C-60 with Pd(Ph2PCH2PPh2)(2) under condition of a nitrogen atmosphere and refluxing, and the title compound was appraised and characterized by methods of elemental analysis, FT-IR, UV-vis, XPS and XRD. The results showed that the structure of purposeful product was that the Ph2PCH2PPh2 took up two coordination sites of the central metal, and C-60 took up another two sites in sigma-pi feeback pattern. The porperties on photoelectricity, redox and thermostability of the tide complexe were studied. The results of studying on photoclectricity showed that the photovoltaic effect of (n + n) heterojunction electrode formed by C60Pd(Ph2PCH2PPh2)/GaAs was supper, especially in the BQ/H(2)Q redox couple, and the greatest value of photovoltaic potential was up to 174 mV. The photovoltaic performance of C60Pd (Ph2PCH2PPh2)/GaAs electrode at 1 mum for thickness of C60Pd(Ph2PCH2PPh2) film was the best

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