介绍一种合成尖晶石铁酸镁纳米粉的新方法--水热反萃合成法,并用此法合成了晶粒粒度在12～18nm的MgFe2O4粉体.借助于XRD和TEM测试手段.考察了反萃温度、水相的pH和组成对产物形貌和粒度的影响.结果表明:在190～210℃时,用纯水反萃负载金属铁和镁的混合有机相可以直接得到尖晶石结构、近似球形和粒度分布均匀的MgFe2O4纳米粉体,且不会发生硬团聚.
参考文献
| [1] | Qi Chen;Adam J. Rondinone;Bryan C. Chakoumakos .Synthesis of superparamagnetic MgFe_(2)O_(4) nanoparticles by coprecipitation[J].Journal of Magnetism and Magnetic Materials,1999(1/3):1-7. |
| [2] | Liu YL;Liu ZM;Yang Y;Yang HF;Shen GL;Yu RQ .Simple synthesis of MgFe2O4 nanoparticles as gas sensing materials[J].Sensors and Actuators, B. Chemical,2005(2):600-604. |
| [3] | 杨留方,李星,赵鹤云,吴兴惠.MgFe2O4纳米复合氧化物的制备和气敏性能[J].硅酸盐学报,2004(12):1491-1495. |
| [4] | 王雪松,杨桂琴,王晓曦,严乐美,韩冰.微乳-沉淀法制备纳米尖晶石型MgFe2O4及表征[J].硅酸盐通报,2001(03):58-61. |
| [5] | Seema Verma;P. A. Joy;Y. B. Khollam .Synthesis of nanosized MgFe_2O_4 powders by microwave hydrothermal method[J].Materials Letters,2004(6):1092-1095. |
| [6] | 黄玉洁,王军,陈乾旺.MgFe2O4纳米粉体的水热合成及其表征[J].无机化学学报,2005(05):697-700. |
| [7] | Huang YJ;Tang Y;Wang J;Chen QW .Synthesis of MgFe2O4 nanocrystallites under mild conditions[J].Materials Chemistry and Physics,2006(2/3):394-397. |
| [8] | Yasuhiro Konishi;Toshiyuki Nomura;Kazunari Mizoe .Preparation of Cobalt Ferrite Nanoparticles by Hydrolysis of Cobalt-Iron (III) Carboxylate Dissolved in Organic Solvent[J].Materials transactions,2004(1):81-85. |
| [9] | KONISH Y;NOMURA T;SATOH D .Solvothermal preparation of,cuprous oxide fine particles by copper(Ⅱ)carboxylate in two-phase liquid-liquid system[J].Industrial and Engineering Chemistry Research,2004,43:2088-2092. |
| [10] | 卢立柱;谢慧琴;王兴尧 等.水热反萃取合成三氧化二铁纳米粉[P].CN 03105005.0,2003-02-28. |
| [11] | 王兴尧,康晓红,谢慧琴,卢立柱.载铁环烷酸-异辛醇-煤油体系异相水热反萃[J].化学研究与应用,2003(06):800-802. |
| [12] | 康晓红,王兴尧,谢慧琴,卢立柱.用水热反萃法制备氧化铁粉末[J].材料研究学报,2003(05):466-470. |
| [13] | 王兴尧,康晓红,谢慧琴,卢立柱.水热反萃法制备纳米α-Fe2O3[J].应用化学,2004(07):655-659. |
| [14] | 王兴尧,康晓红,谢慧琴,卢立柱.Studies of Heterogeneous Hydrothermal Stripping from Iron-loaded Naphthenic Acid-Alcohol-Kerosen[J].过程工程学报,2003(02):109-115. |
| [15] | WANG Xingyao,HAN Junyuan,YANG Guiqin,LU Lizhu,XIE Huiqin,KANG Xiaohong.Kinetic Study of Hydrothermal Stripping from Iron-Loaded Organic Phase[J].天津大学学报（英文版）,2007(02):113-116. |
| [16] | 李国军,黄校先,郭景坤,陈大明.醇-水法制备纳米晶NiO粉体[J].功能材料,2002(04):398-400. |
| [17] | 纪守峰,李桂春.超细粉体团聚机理研究进展[J].中国矿业,2006(08):54-56,90. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%