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化工新型材料  2018, Vol. 46 Issue (10): 156-160    
  科学研究 本期目录 | 过刊浏览 | 高级检索 |
Fe2O3@CuO纳米核壳结构颗粒的制备 及其形成过程研究
韩信有1,房克功2,林明桂2,孙予罕3
1.陕西延长石油集团有限责任公司碳氢高效利用技术研究中心,西安710075;
2.中国科学院山西煤炭化学研究所煤转化国家重点实验室,太原030001;
3.中国科学院上海高等研究院,上海201203
Synthesis of Fe2O3@CuO core-shell nanoparticle and its formation mechanism
Han Xinyou1,Fang Kegong2,Lin Minggui2,Sun Yuhan3
1.Hydro-carbon High-Efficiency Utilization Technology Research Center,Shaanxi Yanchang Petroleum Group Co.,Ltd.,Xi'an 710075;
2.State Key Laboratory of Coal Conversion,Institute of Coal Chemistry,Chinese Academy of Sciences,Taiyuan 030001;
3.Shanghai Advanced Research Institute,Chinese Academy of Sciences,Shanghai 201203
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摘要 以Fe(NO3)3、Cu(NO3)2和尿素为原料,利用一步均匀沉淀法合成了CuO包覆Fe2O3的纺锤形纳米核壳结构颗粒Fe2O3@CuO。采用透射电镜、能谱和X射线衍射等手段研究了不同合成阶段及制备条件下纺锤形结构颗粒的形貌、元素及物相组成。结果表明:合成溶液中Fe3+、Cu2+先后沉淀生成α-Fe2O3和Cu2(OH)3NO3纳米带,后者与氨络合而后转化为更稳定的Cu(OH)2纳米片,Cu(OH)2纳米片再以α-Fe2O3为凝结核聚合形成纺锤形纳米核壳结构颗粒。
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韩信有
房克功
林明桂
孙予罕
关键词:  Fe2O3@CuO  均匀沉淀  纺锤形包覆结构  铜氨络合物    
Abstract: The spindle-shaped core-shell Fe2O3@CuO nanoparticles were prepared by one step homogeneous precipitation method using Fe (NO3)3,Cu(NO3)2 and urea as precursor materials.The morphology,elemental composition and phase composition of samples in different synthesis stages and conditions were characterized by transmission electron microscope (TEM),energy dispersive spectroscopy (EDS) and powder X-ray diffraction (XRD).The results indicated that Fe3+ and Cu2+ were firstly precipitated respectively,then Cu deposition were dissolved and transformed into Cu (OH)2 nano sheets,which finally aggregated onto the core α-Fe2O3 particles and formed the spindle-shaped core-shell nanoparticles.
Key words:  Fe2O3@CuO    homogeneous precipitation    spindle-shaped coating structure    copper ammonia complex
                    发布日期:  2018-11-06      期的出版日期:  2018-11-06
基金资助: 山西省自然科学基金(2012011005-3);国家自然科学基金(21203232和21103217);国家863计划(2012AA051002)
作者简介:  韩信有(1987-),男,博士,工程师,主要研究方向为碳一化学和催化材料。
引用本文:    
韩信有,房克功,林明桂,孙予罕. Fe2O3@CuO纳米核壳结构颗粒的制备 及其形成过程研究[J]. 化工新型材料, 2018, 46(10): 156-160.
Han Xinyou,Fang Kegong,Lin Minggui,Sun Yuhan. Synthesis of Fe2O3@CuO core-shell nanoparticle and its formation mechanism. New Chemical Materials, 2018, 46(10): 156-160.
链接本文:  
http://www.hgxx.org/CN/  或          http://www.hgxx.org/CN/Y2018/V46/I10/156
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