欢迎您！东篱公司
退出
-
申报数据库
-
立项数据库
-
成果数据库
-
项目获奖数据库
中文摘要：
在表面活性剂CTAB水溶液中添加硝酸盐溶液,并滴加氨水,采用水热合成法在180℃的温度下反应9h,制备了La0.7Sr0.3FeO3前驱体,在700℃下煅烧6h后得到La0.7Sr0.3FeO3纳米颗粒组装的纳米线。利用SEM、TEM和XRD对其形貌、尺寸和结构等进行了表征。制备的La0.7Sr0.3FeO3纳米线是由约为20nm的纳米颗粒组装而成的,纳米线的最大长径比达100以上。通过改变水热合成时间和前驱体的煅烧温度等实验条件,对La0.7Sr0.3FeO3纳米线的物相转化和生长机理进行了分析。表面活性剂CTAB作为生长控制剂和颗粒凝聚载体,能够控制材料沿着轴向生长,形成纳米线。
英文摘要：
La0. 7 Sr0. 3 FeO3 precursor was synthesized via a hydrothermal method with additive of CTAB in an autoclave at 180℃ for 9h. La0.7Sr0.3FeO3 nanoparticles assembled nanowires were obtained La0.7Sr0. 3FeO3 precur-sor at 700℃ for 6h. The morphology, size and structure were characterized by scanning electron microscopy, transmission electron microscopy and X-ray diffraction. The formation and growth mechanism of La0.7 Sr0. 3 FeO3 nanoparticles assembled nanowires was discussed. The results reveal that La0.7 Sr0. 3 FeO3 nanowires were assembled by 20 nm nanoparticles, which were several microns to tens of microns in length and 100 to 150 nm in diameter. The materials experienced a complicated process during the phase transformation. CTAB may be served as a growth controller and an agglomeration inhibitor to control the nanowires grow along the axial direction.
同期刊论文项目
同项目期刊论文
The study of using an extreme learning machine for rapid concentration estimation in multi-component
Effect of CTAB concentration on synthesis and sensing properties of perovskite oxide via a hydrother
Synthesis, characterization and formaldehyde gas sensitivity of La0.7Sr0.3FeO3 nanoparticles assembl
Preparation and characterization of La1-xSr xFeO3 materials and their formaldehyde gas-sensing prope
Identificationof formaldehyde under different interfering gases conditions withnanostructured semico
Methanol sensing micro-gas sensors of SnO2-ZnO nanofibers on Si/SiO2/Ti/Pt substrate via stepwise-he
Formaldehyde gas sensor based on SnO2/In2O3 hetero-nanofibers by a modified double jets electrospinn
Hollow hierarchical SnO2-ZnO composite nanofibers with heterostructure based on electrospinning meth
Mechanism for acetone sensing property of Pd-loaded SnO2 nanofibers prepared by electrospinning: Fer
Direct fabrication of La0.7Sr0.3FeO3 nanofibers with tunable hollow structures by electrospinning an
Room temperature impedance spectroscopy-based sensing of formaldehyde with porous TiO2 under UV illu
Mechanism for toluene detection of flower-like ZnO sensors prepared by hydrothermal approach: Charge
A microscale formaldehyde gas sensor based on Zn2SnO4/SnO2 and produced by combining hydrothermal sy
Characterization and humidity sensitivity of electrospun ZrO2:TiO2 hetero-nanofibers with double jet
Preparation of modified MWCNTs-doped PANI nanorods by oxygen plasma and their ammonia sensing proper
A micro-formaldehyde gas sensor based on Zn2SnO4/SnO2 via a method of combining hydrothermal synthes
Synthesis of Birnessite-Type MnO2 by the In-Situ Electrochemical Oxidation of Mn3O4 Film for Superca
期刊信息
位置：