以华东地区某装配式钢结构住宅建筑为研究对象,调研收集实际工程量清单和能源消耗等数据,分析计算该建筑全生命期碳排放总量和碳排放强度。结果显示,该住宅建筑运行阶段碳排放量最大,占比69.8%;其次是建材生产阶段碳排放量,占比29.0%,...以华东地区某装配式钢结构住宅建筑为研究对象,调研收集实际工程量清单和能源消耗等数据,分析计算该建筑全生命期碳排放总量和碳排放强度。结果显示,该住宅建筑运行阶段碳排放量最大,占比69.8%;其次是建材生产阶段碳排放量,占比29.0%,其中室内装修材料碳排放占比5.8%;建材运输阶段、建造阶段和拆除阶段碳排放量占比较小,均不到1%;单位面积碳排放强度为35.1 kg CO/a·m^(2),其成果为后续装配式建筑推广应用提供技术支撑,促进了装配式建筑的可持续发展。展开更多
A cuprous mononuclear copper complex [Cu（adpypz）CH3CNPPh3]BF4·CH2Cl2（1, adpypz = 9,9-dimethyl-10-（6-（3-phenyl-1H-pyrazol-1-yl）pyridin-2-yl）-9,10-dihydroacridine） was synthesized and characterized by Eleme...A cuprous mononuclear copper complex [Cu（adpypz）CH3CNPPh3]BF4·CH2Cl2（1, adpypz = 9,9-dimethyl-10-（6-（3-phenyl-1H-pyrazol-1-yl）pyridin-2-yl）-9,10-dihydroacridine） was synthesized and characterized by Elemental Analysis, NMR, UV-Vis and X-ray single-crystal structure analysis. It crystallizes in triclinic, space group P1 with a = 11.3388（4）, b = 13.4569（4）, c = 16.2561（6） ？, α = 97.154（3）, β = 92.187（3）, γ = 114.119（4）°, V = 2235.38（13） ？3, Z = 2, Mr = 967.12, Dc = 1.437 g/cm^3, F（000） = 996, μ = 2.62 mm^–1, GOOF = 1.031, the final R = 0.0417, and w R = 0.1024 for 8043 observed reflections with I 〉 2σ（I）. The Cu（I） atoms in the complex are four-coordinated and adopt a tetrahedral coordination geometry. In the solid state, the complex exhibits bluish-green photoluminescence with emission peaks λmax = 492 nm（1）, lifetimes 235 μs and quantum yields（ф = 0.279） at room temperature. The studies of varied temperature emission spectra and decay behaviours of the complex indicate that the complex displays thermally activated delayed fluorescence（TADF） at room temperature. The results of the experimental and DFT calculations suggest that the emission in the solid state originates from the ILCT excited states.展开更多
A cuprous dinuclear copper complex [PPh_2PAr_2Cu（μ-SCN）_2CuPPh_2PAr_2]（1,PPh_2PAr_2 =（1-bis（2-methylphenyl）-phosphine-2-diphenylphosphino）benzene） was synthesized from the reaction of Cu SCN and PPh_2PAr_2 in...A cuprous dinuclear copper complex [PPh_2PAr_2Cu（μ-SCN）_2CuPPh_2PAr_2]（1,PPh_2PAr_2 =（1-bis（2-methylphenyl）-phosphine-2-diphenylphosphino）benzene） was synthesized from the reaction of Cu SCN and PPh_2PAr_2 in CH_3CN at room temperature. The compound was characterized by Elemental Analysis,NMR,UV-Vis and X-ray single-crystal structure analysis. It crystallizes in triclinic,space group P1 with a = 10.225（2）,b = 11.360（2）,c = 13.420（3） ？,α = 95.81（3）,β = 93.45（3）,γ = 113.78（3）°,V = 1410.4（5） ？~3,Z = 1,Mr = 1192.21,Dc = 1.404 g/cm^3,F（000） = 616,μ = 3.029 mm^（–1）,GOOF = 1.052,the final R = 0.0359,and w R = 0.0964 for 4878 observed reflections with I 〉 2σ（I）. The Cu（I） atoms in the complex are four-coordinated and adopt a tetrahedral coordination geometry. The copper centers in the molecular structure are bridged by two thiocyanate anions and each Cu（I） is chelated further terminally by a PPh_2PAr_2 ligand. The [Cu（μ-SCN）_2Cu] cores have essential planar configurations. In the solid state,the complex exhibits blue photoluminescence with emission peaks λ_（max）= 478 nm（1）,lifetimes 4.7 μs and quantum yields（ф = 0.43） at room temperature. The studies of varied temperature emission spectra and decay behaviours of the complex indicate that it displays thermally activated delayed fluorescence at room temperature. The results of the experimental and DFT calculations suggest that the emission in the solid state originates from the ^（1,3）MLCT excited states.展开更多
文摘以华东地区某装配式钢结构住宅建筑为研究对象,调研收集实际工程量清单和能源消耗等数据,分析计算该建筑全生命期碳排放总量和碳排放强度。结果显示,该住宅建筑运行阶段碳排放量最大,占比69.8%;其次是建材生产阶段碳排放量,占比29.0%,其中室内装修材料碳排放占比5.8%;建材运输阶段、建造阶段和拆除阶段碳排放量占比较小,均不到1%;单位面积碳排放强度为35.1 kg CO/a·m^(2),其成果为后续装配式建筑推广应用提供技术支撑,促进了装配式建筑的可持续发展。
基金supported by the National Natural Science Foundation of China(51172232)
文摘A cuprous mononuclear copper complex [Cu（adpypz）CH3CNPPh3]BF4·CH2Cl2（1, adpypz = 9,9-dimethyl-10-（6-（3-phenyl-1H-pyrazol-1-yl）pyridin-2-yl）-9,10-dihydroacridine） was synthesized and characterized by Elemental Analysis, NMR, UV-Vis and X-ray single-crystal structure analysis. It crystallizes in triclinic, space group P1 with a = 11.3388（4）, b = 13.4569（4）, c = 16.2561（6） ？, α = 97.154（3）, β = 92.187（3）, γ = 114.119（4）°, V = 2235.38（13） ？3, Z = 2, Mr = 967.12, Dc = 1.437 g/cm^3, F（000） = 996, μ = 2.62 mm^–1, GOOF = 1.031, the final R = 0.0417, and w R = 0.1024 for 8043 observed reflections with I 〉 2σ（I）. The Cu（I） atoms in the complex are four-coordinated and adopt a tetrahedral coordination geometry. In the solid state, the complex exhibits bluish-green photoluminescence with emission peaks λmax = 492 nm（1）, lifetimes 235 μs and quantum yields（ф = 0.279） at room temperature. The studies of varied temperature emission spectra and decay behaviours of the complex indicate that the complex displays thermally activated delayed fluorescence（TADF） at room temperature. The results of the experimental and DFT calculations suggest that the emission in the solid state originates from the ILCT excited states.
基金supported by the National Natural Science Foundation of China(51172232)
文摘A cuprous dinuclear copper complex [PPh_2PAr_2Cu（μ-SCN）_2CuPPh_2PAr_2]（1,PPh_2PAr_2 =（1-bis（2-methylphenyl）-phosphine-2-diphenylphosphino）benzene） was synthesized from the reaction of Cu SCN and PPh_2PAr_2 in CH_3CN at room temperature. The compound was characterized by Elemental Analysis,NMR,UV-Vis and X-ray single-crystal structure analysis. It crystallizes in triclinic,space group P1 with a = 10.225（2）,b = 11.360（2）,c = 13.420（3） ？,α = 95.81（3）,β = 93.45（3）,γ = 113.78（3）°,V = 1410.4（5） ？~3,Z = 1,Mr = 1192.21,Dc = 1.404 g/cm^3,F（000） = 616,μ = 3.029 mm^（–1）,GOOF = 1.052,the final R = 0.0359,and w R = 0.0964 for 4878 observed reflections with I 〉 2σ（I）. The Cu（I） atoms in the complex are four-coordinated and adopt a tetrahedral coordination geometry. The copper centers in the molecular structure are bridged by two thiocyanate anions and each Cu（I） is chelated further terminally by a PPh_2PAr_2 ligand. The [Cu（μ-SCN）_2Cu] cores have essential planar configurations. In the solid state,the complex exhibits blue photoluminescence with emission peaks λ_（max）= 478 nm（1）,lifetimes 4.7 μs and quantum yields（ф = 0.43） at room temperature. The studies of varied temperature emission spectra and decay behaviours of the complex indicate that it displays thermally activated delayed fluorescence at room temperature. The results of the experimental and DFT calculations suggest that the emission in the solid state originates from the ^（1,3）MLCT excited states.
