以硝酸铁、硝酸锌为原料,柠檬酸为络合剂,采用溶胶-凝胶法制备了尖晶石型ZnFe2 O4粉体.通过热重-差热分析(TG-DTA)、X射线衍射仪(XRD)、扫描电镜(SEM)、X射线能谱仪(EDS)、透射电镜(TEM)等方法对制备的ZnFe2O4粉体进行了分析测试与表征,并对其合成机理进行探讨.研究表明:滴定溶液的pH =4时最有利于柠檬酸对Fe3+、Zn2+的络合.在600 ~ 1000℃下,随着合成温度的提高,制备的ZnFe2O4粉体晶型发育逐步完整,确定较好的合成温度为900℃.相同条件下,适当延长保温时间,有助于ZnFe2O4粉体的合成.
参考文献
[1] | Hua Tong;Shuxin Ouyang;Yingpu Bi;Naoto Umezawa;Mitsutake Oshikiri;Jinhua Ye.Nano-photocatalytic Materials: Possibilities and Challenges[J].Advanced Materials,20122(2):229-251. |
[2] | Fei Y;Kennedy SJ;Campbell SJ;Hofmann M.Neutron polarization analysis of nanostructured ZnFe2O4[J].Physica, B. Condensed Matter,20051/4(1/4):264-268. |
[3] | Yongsheng Fu;Xin Wang.Magnetically Separable ZnFe2O4-Graphene Catalyst and its High Photocatalytic Performance under Visible Light Irradiation[J].Industrial & Engineering Chemistry Research,201112(12):7210-7218. |
[4] | Li, X.;Hou, Y.;Zhao, Q.;Wang, L..A general, one-step and template-free synthesis of sphere-like zinc ferrite nanostructures with enhanced photocatalytic activity for dye degradation[J].Journal of Colloid and Interface Science,20111(1):102-108. |
[5] | Mohammad Hossein Habibi;Amir Hossein Habibi.Photocatalytic degradation of Brilliant Red M5B using four different nanocomposites (ZnFe2O4, porous ZnFe2O4, ZnFe2O4-TiO2, FeTiO3) coated on glass[J].Journal of industrial and engineering chemistry,20145(5):2964-2968. |
[6] | Chinnasamy CN.;Ponpandian N.;Chattopadhyay K.;Narayanasamy A..The influence of Fe3+ ions at tetrahedral sites on the magnetic properties of nanocrystalline ZnFe2O4[J].Materials Science & Engineering, A. Structural Materials: Properties, Misrostructure and Processing,20010(0):983-987. |
[7] | Song Sun;Xiaoyan Yang;Yi Zhang;Fan Zhang;Jianjun Ding;Jun Bao;Chen Gao.Enhanced photocatalytic activity of sponge-like ZnFe2O4 synthesized by solution combustion method[J].自然科学进展(英文版),2012(6):639-643. |
[8] | Tung LD.;Kolesnichenko V.;Caruntu G.;Caruntu D.;Remond Y.;Golub VO. O'Connor CJ.;Spinu L..Annealing effects on the magnetic properties of nanocrystalline zinc ferrite[J].Physica, B. Condensed Matter,20021/4(1/4):116-121. |
[9] | R. Raeisi Shahraki;M. Ebrahimi;S.A. Seyyed Ebrahimi;S.M. Masoudpanah.Structural characterization and magnetic properties of superparamagnetic zinc ferrite nanoparticles synthesized by the coprecipitation method[J].Journal of Magnetism and Magnetic Materials,201222(22):3762-3765. |
[10] | REN Ping;ZHANG Junxi;DENG Huiyong.Preparation and Microstructure of Spinel Zinc Ferrite ZnFe_2O_4 by Co-precipitation Method[J].武汉理工大学学报(材料科学版)(英文版),2009(6):927-930. |
[11] | Habibi, M.H.;Habibi, A.H..Effect of the thermal treatment conditions on the formation of zinc ferrite nanocomposite, ZnFe_2O_4, by sol-gel method (Conference Paper)[J].Journal of thermal analysis and calorimetry,20132(2):843-847. |
[12] | Kim YB;Park HM.Synthesis of amorphous/crystalline composite using electroless copper plated amorphous powder[J].Materials Science & Engineering, A. Structural Materials: Properties, Misrostructure and Processing,20051/2(1/2):166-171. |
[13] | Enoki M;Fujita M;Yamada K.Neutron-scattering study on spin fluctuations in high-temperature-tetragonal phase of La1.70Sr0.24Ce0.06CuO4[J].The journal of physics and chemistry of solids,200711(11):2111-2114. |
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