Size Controlled Synthesis Of Co Nanoparticles By Combination Of Organic Solvent And Surfactant

Yong Chen; Kong Yong Liew; Jinlin Li

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Size Controlled Synthesis Of Co Nanoparticles By Combination Of Organic Solvent And Surfactant

机译：有机溶剂和表面活性剂的组合控制尺寸合成Co纳米粒子

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Co particles were synthesized with mean particle sizes in the range of 3.2-171.4 nm in ambient atmosphere by reduction of cobalt salt with sodium borohydride as the reducing reagent, a combination of alcohols as solvents and a triblock copolymer P123 (EO_(20)PO_(70)EO_(20)) as the surfactant. The particle size and its distribution were controlled by varying the synthesis parameters such as the viscosity of the medium, the amount of alcohols or P123 in the reaction system. FT-1R and X-ray photoelectron spectroscopy (XPS) measurements confirmed the interaction between the oxygen atoms of P123 and Co~(2+) or Co~0. Detailed surface analyses by XPS and HRTEM revealed that the synthesized particles consisted of Co~0 metal surrounded by amorphous CoO, Co_2B and chemisorbed P123.

机译：通过以硼氢化钠为还原剂，以醇为溶剂和三嵌段共聚物P123（EO _（（20）PO_（ 70）EO_（20））作为表面活性剂。通过改变合成参数如介质的粘度，反应体系中的醇或P123的量来控制粒度及其分布。 FT-1R和X射线光电子能谱（XPS）测量证实了P123的氧原子与Co〜（2+）或Co〜0之间的相互作用。通过XPS和HRTEM进行的详细表面分析表明，合成的颗粒由被非晶CoO，Co_2B和化学吸附的P123包围的Co-0金属组成。

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来源
《Applied Surface Science》 |2009年第7期|p.4039-4044|共6页
作者
Yong Chen; Kong Yong Liew; Jinlin Li;
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作者单位

Key Laboratory of Catalysis and Materials Science of the State Ethnic Affairs Commission & Ministry of Education, South-Central University for Nationalities, Wuhan 430074, Hubei Province, PR China;

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原文格式 PDF
正文语种 eng
中图分类应用物理学;
关键词
co nanoparticles; particle size control; p123; nanomaterials;

机译：co纳米粒子;粒度控制;p123;纳米材料;

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1. Surfactant-free synthesis of hollow mesoporous organosilica nanoparticles with controllable particle sizes and diversified organic moieties [J] . Koike Natsume, Chaikittisilp Watcharop, Shimojima Atsushi, RSC Advances . 2016,第93期

机译：无表面活性剂合成的中孔介孔有机二氧化硅纳米粒子具有可控的粒径和多样化的有机部分
2. Surfactant-free synthesis of hollow mesoporous organosilica nanoparticles with controllable particle sizes and diversified organic moieties [J] . Natsume Koike, Watcharop Chaikittisilp, Atsushi Shimojima, RSC Advances . 2016,第93期

机译：无控制粒径和多样化有机部分的中空介孔有机粒子纳米粒子的表面活性剂合成
3. Preparation for Size-Controlled MOR Zeolite Nanocrystal Using Water/Surfactant/Organic Solvent [J] . Teruoki Tago, Daichi Aoki, Kazuyuki Iwakai Topics in Catalysis . 2009,第6a7期

机译：水/表面活性剂/有机溶剂制备尺寸可控的MOR沸石纳米晶
4. SUPERCRITICAL HYDROTHERMAL SYNTHESIS OF ORGANIC- INORGANIC HYBRID NANOPARTICLES AND ITS PERFECT DISPERSION IN SOLVENTS [C] . Tadafumi Adschiri, Jing Zhang, Tahereh Mousavand, European Meeting on Supercritical Fluids Reactions, Materials and Natural Products Processing . 2005

机译：有机无机杂交纳米粒子超临界水热合成及其在溶剂中的完美分散
5. Synthesis and fabrication of sized-controlled nanoparticles: Using surface self-assemblies as building blocks for developing supralattices on nanocomposite materials. [D] . Yee, Chanel Kitmon. 2001

机译：尺寸受控的纳米粒子的合成和制造：使用表面自组装作为构建纳米复合材料上超分子的构建基块。
6. Controlled Synthesis of ZrO2 Nanoparticles with Tailored Size Morphology and Crystal Phases via Organic/Inorganic Hybrid Films [O] . Ali Bumajdad, Ahmed Abdel Nazeer, Fakhreia Al Sagheer, -1

机译：通过有机/无机杂化薄膜可控制地合成尺寸形态和晶相定制的ZrO2纳米粒子
7. Controlling nickel nanoparticle size in an organic/metal-organic matrix through the use of different solvents. [O] . Berlie A., Terry I., Szablewski M. 2013

机译：通过使用不同的溶剂控制有机/金属-有机基质中镍纳米粒子的大小。

Size Controlled Synthesis Of Co Nanoparticles By Combination Of Organic Solvent And Surfactant

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