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Lactic Acid Assisted Solvothermal Synthesis of BiOClxI1-x Solid Solutions as Excellent Visible Light Photocatalysts 被引量:5
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作者 DUAN Chenglin SONG Jinling +3 位作者 WANG Baoying LI Lun WANG Ruifen ZHANG Bangwen 《Chemical Research in Chinese Universities》 SCIE CAS CSCD 2019年第2期277-284,共8页
A series of BiOClxI1-x(x=0,0.1,0.3,0.5,0.7,0.9,1.0)photocatalysts was firstly prepared by means of a facile solvothermal route with the help of lactic acid.The measured results show that the morphologies of the as-pre... A series of BiOClxI1-x(x=0,0.1,0.3,0.5,0.7,0.9,1.0)photocatalysts was firstly prepared by means of a facile solvothermal route with the help of lactic acid.The measured results show that the morphologies of the as-prepared samples are similar sheets with different thickness and diameters.Thinner nanosheets assembled flower-like BiOCI0.5I0.5 solid solution exhibited the highest photocatalytic activity and stability among the prepared samples for the degradation of methylene blue(MB)and methyl orange(MO)under the illumination of visible light.The excellent photocatalytic properties of BiOCI0.5I0.5 could be attributed to the high specific surface area,the suita-ble band gap energy and the lower recombination rate of the electrons and holes.In addition,catalyst BiOCI0.5I0.5 was further used to degradate a more complicated mixed dye(MCH-RhB+MB)system under visible light,displaying an excellent photocatalytic activity.Finally,the photocatalytic mechanism of catalyst BiOCI0.5I0.5 to degradate colorful dyes was proposed.The trapping experiments of active species indicated that the holes are the main active species for the degradation of the mixed dyes. 展开更多
关键词 SOLID solution Bismutli oxyhalide MIXED DYE solvothennal PHOTOCATALYSIS
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Solvothermal Syntheses and Characterization of Three One-dimension Cadmium Selenidoarsenates [Ni(1,2-dap)3][As2CdSe4],[Zn(1,2-dap)3][As2CdSe4] and [Ni(en)3][As2CdSe4]
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作者 DU Cuixia CHEN Juan BAIYIN Menghe 《Chemical Research in Chinese Universities》 SCIE CAS CSCD 2019年第4期560-563,共4页
Three new cadmium selenidoarsenates,[Ni(1,2-dap)3][As2CdSe4](1)(1,2-dap=l,2-diaminopropane),[Zn( 1,2-dap)3][As2CdSe4](2) and [Ni(en)3][As2CdSe4](3)(en=ethylenediamine), were synthesized under solvothermal conditions. ... Three new cadmium selenidoarsenates,[Ni(1,2-dap)3][As2CdSe4](1)(1,2-dap=l,2-diaminopropane),[Zn( 1,2-dap)3][As2CdSe4](2) and [Ni(en)3][As2CdSe4](3)(en=ethylenediamine), were synthesized under solvothermal conditions. And they are isostnictural and monoclinic crystalls. As seen from their structures, they exhibited one-dimensional(1D) chains composed of [As2CdSe4]^2- anions and [TM(amine)3]^2+(TM=Ni,Zn;amine=1,2-dap, en) cations. Their absorption edges are 2.32, 1.84 and 2.38 eV and they show the properties of the semiconductor. These compounds were also characterized by means of single-crystal X-ray ditlraction(XRD), powder X-ray diflraction (PXRD), solid-state optical absorption spectrometry, and so on. 展开更多
关键词 solvothennal synthesis Selenidoarsenate CADMIUM
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