Highly ordered superlattices from self-assembly of Fe3O4 nanocrystals

Zhang, Ran; Tian, Yantao; Lü, Chao; Liu, Lianqing; Liu, Xiaoming

doi:10.1007/s40242-014-4095-x

Cited by 1 publication

(1 citation statement)

References 45 publications

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“…To date, Fe 3 O 4 nanoparticles with different morphologies, such as nanosphere [11] , tetrakaidecahedra [12] , pyramid [13] , nanosheet, flower-liked structure [14] , spindle [15] , nanoring [16] , dendrite pattern [17] , and wire-like structure [18] have been synthesized with the help of a variety of methods, including reverse-micelle transition, hydro-or solvothermal treatment, magnetic-field induction, wet-chemical etching, chemical vapor deposition and polyol-mediated processes [19][20][21][22][23] . Except for morphology controlled synthesis, the formation mechanism of Fe 3 O 4 nanoparticles obtained via various methods has also been discussed and investigated.…”

Section: Introductionmentioning

confidence: 99%

Shape-controlled synthesis of Fe3O4 nanocrystals with incontinuous multicavities

Zhan

Cheng

Fang

et al. 2016

Chem. Res. Chin. Univ.

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In the solvothermal synthesis process, the effect of NaOH dosages of from 0.3 g to 4.0 g on the morphology evolution(from nanoparticles to octahedra) of Fe 3 O 4 crystals was carefully investigated. Meanwhile, the growth process of Fe 3 O 4 crystals at different reaction time was also investigated. Furthermore, it has been found that the particle size and crystallinity of Fe 3 O 4 crystals can be controlled by the dosages of NaOH. In this paper, the increases of both the reaction time and the NaOH concentrations correspond to a minimization process of surface energy for Fe 3 O 4 crystals. During the synthesis process, the addition of N 2 H 4 ·H 2 O and ethylene glycol in the magnetite not only facilitated the narrow distribution of particle size but also contributed to the formation of incontinuous multicavities with a diameter of about 5 nm.

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