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Hierarchical Three-Dimensional Cobalt Phosphate Microarchitectures: Large-Scale Solvothermal Synthesis, Characterization, and Magnetic and Microwave Absorption Properties
Alternative TitleJ. Phys. Chem. C
Wen, He2,3; Cao, Minhua2,3; Sun, Genban1; Xu, Wenguo2,3; Wang, Dan4; Zhang, Xiaoqiang4; Hu, Changwen2,3
2008-10-16
Source PublicationJOURNAL OF PHYSICAL CHEMISTRY C
ISSN1932-7447
Volume112Issue:41Pages:15948-15955
AbstractNovel hierarchical cobalt phosphate (alpha- and beta-Co2P2O7) and cobalt hydrogen phosphate hydroxide [Co-11(HPO3)(8)(OH)(6)] three-dimensional (3D) architectures with different morphologies were synthesized under a solvothemal condition. The form and shape of cobalt phosphate can be readily tuned by adjusting experimental parameters of the reaction system. The novel hierarchical alpha-CO2P2O7 microcrystals with basketry-like microstructures were obtained with a molar ratio of Co2+/H3PO4/CH3NH2/HO(CH2)(2)0OH of 1:1.2:1:108, the reaction temperature of 180 degrees C, and the reaction time of 5 days; dumbbell-like beta-Co2P2O7 microspheres were formed with the same reaction temperature and time but the molar ratio of 1: 1.2:1:54, and Co-11(HPO3)(8)(OH)(6) with peony-like nanostructures was prepared with the same molar ratio and reaction time as beta-Co2P2O7 but the reaction temperature of 120 degrees C. The samples were characterized by X-ray diffraction (XRD), field emission scanning electron microscopy (FE-SEM), Fourier transform infrared spectra (FT-IR) technologies, a Quantum Design superconducting quantum interference device (SQUID) magnetometer, and a network analyzer. The formation mechanism of cobalt phosphate microstructures was investigated in detail.; Novel hierarchical cobalt phosphate (alpha- and beta-Co2P2O7) and cobalt hydrogen phosphate hydroxide [Co-11(HPO3)(8)(OH)(6)] three-dimensional (3D) architectures with different morphologies were synthesized under a solvothemal condition. The form and shape of cobalt phosphate can be readily tuned by adjusting experimental parameters of the reaction system. The novel hierarchical alpha-CO2P2O7 microcrystals with basketry-like microstructures were obtained with a molar ratio of Co2+/H3PO4/CH3NH2/HO(CH2)(2)0OH of 1:1.2:1:108, the reaction temperature of 180 degrees C, and the reaction time of 5 days; dumbbell-like beta-Co2P2O7 microspheres were formed with the same reaction temperature and time but the molar ratio of 1: 1.2:1:54, and Co-11(HPO3)(8)(OH)(6) with peony-like nanostructures was prepared with the same molar ratio and reaction time as beta-Co2P2O7 but the reaction temperature of 120 degrees C. The samples were characterized by X-ray diffraction (XRD), field emission scanning electron microscopy (FE-SEM), Fourier transform infrared spectra (FT-IR) technologies, a Quantum Design superconducting quantum interference device (SQUID) magnetometer, and a network analyzer. The formation mechanism of cobalt phosphate microstructures was investigated in detail.
KeywordChemical-vapor-deposition Nanostructures Nanocrystals Fabrication Batteries Route Microstructures Temperature Nanoflowers Electrodes
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences ; Technology
DOI10.1021/jp804602b
URL查看原文
Indexed BySCI
Language英语
WOS KeywordCHEMICAL-VAPOR-DEPOSITION ; NANOSTRUCTURES ; NANOCRYSTALS ; FABRICATION ; BATTERIES ; ROUTE ; MICROSTRUCTURES ; TEMPERATURE ; NANOFLOWERS ; ELECTRODES
WOS Research AreaChemistry ; Science & Technology - Other Topics ; Materials Science
WOS SubjectChemistry, Physical ; Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary
WOS IDWOS:000259943300005
Citation statistics
Document Type期刊论文
Version出版稿
Identifierhttp://ir.ipe.ac.cn/handle/122111/2885
Collection研究所(批量导入)
Affiliation1.Beijing Normal Univ, Coll Chem, Beijing 100875, Peoples R China
2.Beijing Inst Technol, Inst Chem Phys, Beijing 100081, Peoples R China
3.Beijing Inst Technol, Dept Chem, Beijing 100081, Peoples R China
4.Chinese Acad Sci, Inst Proc Engn, Key Lab Multiphase React, Beijing 100080, Peoples R China
Recommended Citation
GB/T 7714
Wen, He,Cao, Minhua,Sun, Genban,et al. Hierarchical Three-Dimensional Cobalt Phosphate Microarchitectures: Large-Scale Solvothermal Synthesis, Characterization, and Magnetic and Microwave Absorption Properties[J]. JOURNAL OF PHYSICAL CHEMISTRY C,2008,112(41):15948-15955.
APA Wen, He.,Cao, Minhua.,Sun, Genban.,Xu, Wenguo.,Wang, Dan.,...&Hu, Changwen.(2008).Hierarchical Three-Dimensional Cobalt Phosphate Microarchitectures: Large-Scale Solvothermal Synthesis, Characterization, and Magnetic and Microwave Absorption Properties.JOURNAL OF PHYSICAL CHEMISTRY C,112(41),15948-15955.
MLA Wen, He,et al."Hierarchical Three-Dimensional Cobalt Phosphate Microarchitectures: Large-Scale Solvothermal Synthesis, Characterization, and Magnetic and Microwave Absorption Properties".JOURNAL OF PHYSICAL CHEMISTRY C 112.41(2008):15948-15955.
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