|本期目录/Table of Contents|

[1]景苏,鲁新宇.室温固相法合成纳米FeOOH及Fe2O3[J].南京工业大学学报(自然科学版),2002,24(06):52-55.[doi:10.3969/j.issn.1671-7627.2002.06.012]
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室温固相法合成纳米FeOOH及Fe2O3()
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《南京工业大学学报(自然科学版)》[ISSN:1671-7627/CN:32-1670/N]

卷:
24
期数:
2002年06期
页码:
52-55
栏目:
出版日期:
2002-11-20

文章信息/Info

Title:
Synthesis of nano FeOOH and Fe2O3 by solid state reaction at room temperature
作者:
景苏鲁新宇
南京工业大学理学院,江苏,南京,210009
关键词:
纳米粒子室温固相法合成FeOOHFe2O3
分类号:
O782+.9
DOI:
10.3969/j.issn.1671-7627.2002.06.012
摘要:
首次报道了通过室温固相反应法,以FeCl3@6H2O和KOH为原料合成纳米FeOOH,将FeOOH分别在400、600、800℃焙烧2 h,即可得到纳米Fe2O3.通过对产物进行TGA-DTA、XRD、IR、TEM和BET表征,结果表明,FeOOH及无定形Fe2O3粒径均在10 nm左右,而α-Fe2O3的粒径为50nm.室温固相法合成纳米FeOOH及Fe2O3操作简单、转化率高、污染少,制备的产物具有粒径小,粒度分布均匀,无团聚现象,比表面较大等优点.对此反应的反应机理进行了初步探讨.

参考文献/References:

[1] Cherepy N J, Lison D B, Lovejoy J A. Ultrafast studies of photoexcited electron dynamics in γ-and α-Fe2O3 semiconductor nanoparticles [J]. Journal of Physical Chemistry B, 1998, (102):770-776.doi:10.1021/jp973149e.
[2] Zhang L D, Mou J M. Science for Nanocrystals [M]. Liaoning: Liaoning Science & Technology Press, 1994.
[3] CHEN L W, Gan L H, Yue T. Studies on the preparation of Fe2O3 ultrafine particles by microemusion reaction method [J]. 物理化学学报, 1994(8):750-754.
[4] Li Q L, Wei Y, Li L. Study on the preparation of monodispersed nanoparticles hematite by microwave irradiation [J]. Chemical World, 2000, (10):551-554.doi:10.3969/j.issn.0367-6358.2000.10.013.
[5] Martelli S, Mancini A, Giorgi R. Production of iron-oxide nanoparticles byblaser-induced pyrolysis of gaseous precursors [J]. Applied Surface Science, 2000, (154):353-359.doi:10.1016/S0169-4332(99)00385-2.
[6] 牛新书, 徐荭. 乙二醇甲醚体系中α-Fe2O3纳米晶制备与结构分析 [J]. 无机材料学报, 2001(2):242-248.doi:10.3321/j.issn:1000-324X.2001.02.009.
[7] Xu X L, Guo J D, Wang Y Z. A novel technique by the citrate pyrolysis for preparation of iron oxide nanoparticles [J]. Materials Science and Engineering B:Solid-state Materials for Advanced Technology, 2000(2):207-209.
[8] Mira J, Lopezperez J A, Lopezquintela M A. Magnetic iron oxide nanoparticles synthesized via microemulsions [J]. Materials Science Forum, 1997, (235):297-302.
[9] Ye X R, Jia D Z, Xin X Q. One step solid-state reactions at ambient temperatures-a novel approach to nanocrystal synthesis [J]. Advanced Materials, 1999, (11):941-943.
[10] 贾殿赠, 禹祥华, 忻新泉. 一种固相化学反应制备纳米材料的方法 [P]. CN:98111231.5, 1998.
[11] Li F, Xin X Q. Synthesis of Ce(Ⅳ) oxide ultrafine particles by solid state reaction [J]. Journal of the American Ceramic Society, 2000(4):964-966.
[12] 周益明, 忻新泉. 低热固相合成化学 [J]. 无机化学学报, 1999(3):273-292.doi:10.3321/j.issn:1001-4861.1999.03.001.

更新日期/Last Update: 1900-01-01