Self-assembly of metal–organic frameworks and graphene oxide as precursors for lithium-ion battery applications

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• 作者：Xia Yang ; Linlin Liu ; Ruo Yuan ; Chun-Sing Lee
• 关键词：Metal–organic frameworks (MOFs) ; Prussian blue (PB) ; Self ; assembly ; Reduced graphene oxide (rGO) ; Lithium ; ion battery (LIB) ; Energy storage
• 刊名：Journal of Nanoparticle Research
• 出版年：2016
• 出版时间：October 2016
• 年：2016
• 卷：18
• 期：10
• 全文大小：1,494 KB
• 刊物类别：Chemistry and Materials Science
• 刊物主题：Chemistry
  Nanotechnology
  Inorganic Chemistry
  Characterization and Evaluation Materials
  Physical Chemistry
  Applied Optics, Optoelectronics and Optical Devices
  
• 出版者：Springer Netherlands
• ISSN：1572-896X
• 卷排序：18

文摘

We fabricated composites of Fe₂O₃/reduced graphene oxide as lithium-ion batteries anode material with controlled structures by employing self-assembly of metal–organic frameworks (MOFs) and polymer-functionalized graphene oxide as precursors. By electrostatic interaction, the negatively charged MOFs, Prussian Blue (PB), are assembled on poly(diallyldimethylammonium chloride) (PDDA)-functionalized graphene oxide (positive charge). Then the PB cubes become FeOOH nanosheets when treated with sodium hydroxide. Upon further annealing, the FeOOH nanosheets transform to Fe₂O₃ nanoparticles while the graphene oxide become reduced graphene oxide simultaneously. It was found that the composites have good performance as anode of lithium-ion battery. This work shows a new way for self-assembling MOFs and 2D materials.