CN102531067B - 一种固相法制备铁酸锌纳米棒的方法 - Google Patents
一种固相法制备铁酸锌纳米棒的方法 Download PDFInfo
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- 229910001308 Zinc ferrite Inorganic materials 0.000 title claims abstract description 26
- WGEATSXPYVGFCC-UHFFFAOYSA-N zinc ferrite Chemical compound O=[Zn].O=[Fe]O[Fe]=O WGEATSXPYVGFCC-UHFFFAOYSA-N 0.000 title claims abstract description 26
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- 238000003836 solid-state method Methods 0.000 title 1
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 claims abstract description 12
- ZOIORXHNWRGPMV-UHFFFAOYSA-N acetic acid;zinc Chemical compound [Zn].CC(O)=O.CC(O)=O ZOIORXHNWRGPMV-UHFFFAOYSA-N 0.000 claims abstract description 4
- 235000006408 oxalic acid Nutrition 0.000 claims abstract description 4
- 239000004246 zinc acetate Substances 0.000 claims abstract description 4
- NMCUIPGRVMDVDB-UHFFFAOYSA-L iron dichloride Chemical compound Cl[Fe]Cl NMCUIPGRVMDVDB-UHFFFAOYSA-L 0.000 claims abstract description 3
- 238000002360 preparation method Methods 0.000 claims description 5
- 238000001354 calcination Methods 0.000 claims description 4
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- 238000000034 method Methods 0.000 abstract description 12
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- YNQLUTRBYVCPMQ-UHFFFAOYSA-N Ethylbenzene Chemical compound CCC1=CC=CC=C1 YNQLUTRBYVCPMQ-UHFFFAOYSA-N 0.000 description 2
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- 239000012298 atmosphere Substances 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- SURQXAFEQWPFPV-UHFFFAOYSA-L iron(2+) sulfate heptahydrate Chemical compound O.O.O.O.O.O.O.[Fe+2].[O-]S([O-])(=O)=O SURQXAFEQWPFPV-UHFFFAOYSA-L 0.000 description 1
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Abstract
一种铁酸锌纳米棒的制备方法，该方法将固态的醋酸锌、氯化亚铁和草酸混合研磨，得到前驱体，将前驱体在600℃煅烧2小时，制得一维的铁酸锌纳米棒。
Description
技术领域
本发明涉及一种通过固相化学反应制备铁酸锌纳米棒的方法。
背景技术
铁酸锌（ZnFe2O4）是一种以Fe(Ⅲ)氧化物为主要成分的复合氧化物，具有AB2O4的尖晶石结构，属于一种重要的尖晶石型铁酸盐。从本世纪30年代以来，人们便开始对之进行研究．目前随着人们对它认识的深入，在这方面的研究不但在理论上取得了长足的进展，而且作为一种新兴的功能材料，它在实际中的应用范围也日趋广泛。由于具有高脱硫精度、高硫容和高反应活性，铁酸锌已经成为最具代表性的复合金属氧化物脱硫剂，它的脱硫速度和再生速度均比氧化锌快，且硫化后很容易用空气、蒸汽进行再生，是公认的一种高效的高温煤气脱硫剂；90年代初人们发现氧缺位的该类化合物还具有将 CO2还原为C的优良催化性能．1996年，李新勇等研究发现氧缺位铁酸锌在治理大气污染方面有良好的应用前景，可为大气中CO2、SO2、NO2等物质的转化和利用提供一个有效的途径，除此之外，作为一种良好的催化剂，它已实际应用于合成氨、F—T合成及乙苯、丁烯等的氧化脱氢反应；因为具有高电阻率、低磁矫顽力、低涡流损耗、高居里温度等特点，所以铁酸锌也是一种性能优良的软磁性材料，可以用作磁头材料、巨磁材料和微波磁性材料，目前已广泛应用于互感器件、磁芯轴承、转换开关以及磁记录材料；在吸波材料领域，铁酸锌也是一种重要的吸波剂,可应用于隐身材料的研制；超细铁酸锌粒子还是一种性能优良的透明无机颜料，具有耐热、耐光和防锈等特点；此外人们发现它还具有良好的气敏特性；近年来，研究人员发现铁酸锌纳米粒子有较强的抗菌效果，对葡萄球菌、枯草菌以及大肠菌等细菌的杀菌效果尤为明显。此外，由于纳米级粒子的尺寸较小，其晶粒的分界面处于既非长程有序、又非短程有序的高度无序状态，这就使其产生了块状材料所不具有的表面效应、小尺寸效应、量子效应和宏观量子隧道效应，表现在其具有和常规材料不同的光、热、电、磁等物理性质， 因而引起了人们的极大关注。
物质的性能和其形貌、结构有很大关系，通过研究性能和形貌的关系，我们可以进一步从去探讨各种反应机理，因此制备不同形貌的铁酸锌有着很重要的作用。其中一维纳米材料因其各种特殊性质而受到越来越多人的关注。
铁酸锌纳米棒的制备和性能研究是当今纳米技术研究领域的一大焦点。目前，制备铁酸锌纳米棒的方法主要包括水热或者溶剂热条件下的热分解法、结合煅烧的微乳液法或者共沉淀法、电纺技术等。固相化学合成法不使用溶剂，具有高选择性、高产率、工艺过程简单等优点，已经成为合成纳米材料的一种重要方法。
发明内容
本发明的目的在于提供一种铁酸锌纳米棒的制备方法，在没有使用任何表面活性剂的前提下，利用固相化学反应工艺通过煅烧过程温度的控制来制备铁酸锌纳米棒，为铁酸锌纳米棒的合成提供了一种更简单的制备方法。
本发明用固态醋酸锌、氯化亚铁和草酸作为反应物，在室温下通过研磨合成前驱体，进而热分解制得由纳米颗粒堆积而成的一维纳米棒。
本发明没有使用任何表面活性剂，运用固相合成工艺实现了铁酸锌纳米棒的合成，操作简单，成本低廉，环境友好，为铁酸锌纳米棒的制备提供了一种新的思路。
附图说明
图 1为所制备样品的粉末衍射图；
图 2为所制备铁酸锌纳米棒的扫描电镜图；
图 3为所制备铁酸锌纳米棒的透射电镜图。
具体实施方式 准确称量0.01 mol 醋酸锌和0.02 mol 氯化亚铁于不同研钵中，分别研细并混合均匀，随后加入0.03 mol研细的草酸，混合后快速研磨，随着研磨的进行，混合物变为黄色的粘稠状，并伴随有酸味产生，继续研磨40 分钟确保反应的充分进行，用蒸馏水洗涤、抽滤、自然晾干，得到所需前驱体。将前驱体置于马弗炉中，以5℃/min 的升温速率升至600℃，在此温度煅烧2小时，即可得到由铁酸锌纳米颗粒沿一定方向堆积而成的一维纳米棒。
Claims (1)
1.一种铁酸锌纳米棒的制备方法，其特征是在没有表面活性剂存在的情况下，将固态的醋酸锌、氯化亚铁和草酸以1∶2∶3的摩尔比混合，直接研磨得到前驱体，将前驱体置于马弗炉中，以5℃／min的升温速率升至600℃，在此温度煅烧2小时，得到由铁酸锌纳米颗粒沿一定方向堆积而成的一维的铁酸锌纳米棒。
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| CN103274474B (zh) * | 2013-06-06 | 2015-03-11 | 吉林大学 | 一种杆状铁酸锌及其制备方法 |
| CN103601238B (zh) * | 2013-11-07 | 2016-06-08 | 昆明理工大学 | 一种微波固相反应法制备掺杂铁的TiO2粉体的方法 |
| CN104085930B (zh) * | 2014-06-30 | 2015-11-18 | 陕西师范大学 | 一种大比表面积多孔片状铁酸锌的制备方法 |
| CN106745302B (zh) * | 2017-02-27 | 2018-07-27 | 陕西科技大学 | 一种三维网络珊瑚状的铁酸锌粉体及其制备方法 |
| CN115893504A (zh) * | 2022-01-10 | 2023-04-04 | 中南大学 | 磁性铁酸锌微波辅助制备方法 |
| CN116903254B (zh) * | 2023-07-24 | 2024-03-08 | 吉林省一米阳光医疗器械科技有限公司 | 一种防生物附着功能玻璃陶瓷材料及其制备方法与应用 |
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