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Controllable Synthesis of Iron Sulfide/CNT Nanocomposites in Solvothermal System
Author(s) -
Yang Sheng,
Huang Peng,
Duan Meng,
Li Yongying,
Gao Guo
Publication year - 2019
Publication title -
crystal research and technology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.377
H-Index - 64
eISSN - 1521-4079
pISSN - 0232-1300
DOI - 10.1002/crat.201900029
Subject(s) - materials science , nanocomposite , iron sulfide , nanoparticle , carbon nanotube , sulfide , chemical engineering , nanotechnology , electrode , battery (electricity) , lithium ion battery , solvothermal synthesis , lithium (medication) , lead sulfide , metallurgy , chemistry , sulfur , power (physics) , physics , quantum mechanics , quantum dot , engineering , medicine , endocrinology
Iron sulfide (FeS 2 and Fe 7 S 8 ) has been considered as one of the promising electrode materials in the field of solar cell and lithium ion battery owing to their unique properties. Herein a facile solvothermal method is reported for preparing iron sulfide/carbon nanotube (CNT) nanocomposites with desired structure and composition. FeS 2 nanoparticles can be successfully loaded on the surface of CNT, and the FeS 2 nanoparticles uniformly distribute along the CNT. With the assistance of polyvinylpyrrolidinone (PVP), flower‐like Fe 7 S 8 @CNT precursor and flower‐like Fe 7 S 8 precursor can be obtained, respectively. When the flower‐like precursors are annealed in the tube furnace with Ar atmosphere, the diameter of the samples decrease from micron level (≈1 µm) to submicron‐level (200–400 nm).