作者：HUANG; Li; XIAO; Hong; ZHOU; Jian; ZOU...solvothermalsynthesesoxohaloplumbatesstructureopticalproperties
摘要：A series of polymeric oxyhaloplumbates[Pb3 I2(μ4-O)L]n(1,H2L=ethylene glycol)and[Pb8 M(μ3-O)2 X8(XH)L3]n{X=Br,M=Mn(2 a),Co(2 b);X=I,M=Mn(2 c),Co(2 d)}have been synthesized under solvothermal conditions and structurally characterized.1 consists of an infinite[Pb3 I2(μ4-O)L]n ribbon built up through the linkage of[PbI2]units and[Pb2(μ4-O)L]n chains to give a new type of 1-D oxoiodoplumbate[Pb3 I2(μ4-O)L]n decorated by deprotonated ethylene glycols.2 a~d are isostructural and exhibit 3-D heterometallic frameworks constructed by the combination of infinite[Pb2 X9]chains and heptanuclear heterometallic[Pb6 M(μ3-O)2 L3]clusters.The present oxohaloplumbates exhibit wide-band-gap semiconducting properties with absorption band edges in the range of 2.21~2.71 eV.The magnetic properties of 2 a~d have also been studied.
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