Kinetic manipulation of the morphology evolution of FePO4 microcrystals: from rugbies to porous microspheres

Wang, Shaozhen; Qian, Wang; Li, Jun; Cheng, Zhiguo; Si, Dajie; Geng, Baoyou

doi:10.1039/b907979n

Cited by 13 publications

(8 citation statements)

References 39 publications

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“…However, when the phosphate anion source of NaH 2 PO 4 was replaced by Na 2 HPO 4 or Na 3 PO 4 , the products with both wire‐like and particle NSs were obtained. This result could be attributed to the different ionisation rate of phosphate anion sources [33]. To illustrate the growth process of NdPO 4 :Ce 3+ crystals, the following reaction equations should be addressed (Fig.…”

Section: Resultsmentioning

confidence: 99%

“…As is well known, H 3 PO 4 will partially ionise in aqueous solution [ Fig. 4, reactions (1)-(3)] [33] because of its medium strong acid property. On the one hand, when the phosphate anion source of NaH 2 PO 4 , KH 2 PO 4 , and H 3 PO 4 were used, only little HPO 4 2and PO 4 3existed in solution, the reactions (4) and (5) were slow and the main products are single wire-like structures in this condition.…”

Section: Effect Of the Phosphate Anion Source On The Morphology Of Ndmentioning

confidence: 99%

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Ce ³⁺ ‐doped neodymium phosphate nanostructures: controllable synthesis, influencing factors, and photoluminescence properties

Chen

Ming

et al. 2016

Micro & Nano Letters

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Wire-like and flower-like cerium ion (Ce 3+)-doped neodymium phosphate nanostructures (NdPO 4 :Ce 3+ NSs) were synthesised via a direct precipitation process at room temperature. The different reaction conditions such as the phosphate anion source, solvent, and surfactant were carried out to discuss the influence for the morphologies and photoluminescence (PL) properties. Experimental results showed that the surfactants of dodecyl benzene sulphonic acid sodium and dodecyl sulphonic acid sodium play an important role in controlling the flower-like NdPO 4 :Ce 3+ NSs. The flower-like NdPO 4 :Ce 3+ NSs exhibited higher PL property than that of wire-like NdPO 4 :Ce 3+ NSs.

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Section: Resultsmentioning

confidence: 99%

Section: Effect Of the Phosphate Anion Source On The Morphology Of Ndmentioning

confidence: 99%

Ce ³⁺ ‐doped neodymium phosphate nanostructures: controllable synthesis, influencing factors, and photoluminescence properties

Chen

Ming

et al. 2016

Micro & Nano Letters

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“…[16][17][18][19][20][21][22][23][24][25][26][27][28][29][30] In previous literatures, due to complex formation reactions in the iron (III) ion-phosphate ion system, there are several iron phosphate phases existing. [31] Different synthetic routes have been reported about synthesizing ferric phosphate hydroxide or ferric phosphate, [16,[32][33][34] however, the fabrication of ferric phosphate hydroxide or ferric phosphate nano/micromaterials with controlled morphology is still a challenge.…”

Section: Introductionmentioning

confidence: 99%

Ferric Phosphate Hydroxide Microcrystals for Highly Efficient Visible‐Light‐Driven Photocatalysts

Wang¹,

Pang²,

Zhao³

et al. 2013

ChemPhysChem

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Fe4(OH)3(PO4)3 microcrystals are successfully synthesized by a simple hydrothermal method. Due to a possible self-etching mechanism, different morphologies of Fe4(OH)3(PO4)3 microcrystals are obtained. Several reactions with different temperatures and times are performed to confirm the supposed self-etching mechanism. Moreover, as a result of their different micro/nanostructures, these microcrystals present different photocatalytic activities for visible-light-driven photodegragadation of methylene blue.

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“…[4][5][6][7][8][9][10] Literature shows several iron phosphate phases exist due to complex formation reactions in the iron(III) ion-phosphate ion system. [11] Different synthetic routes to ferric phosphate hydroxide or ferric phosphate have been reported; [4,[12][13][14][15][16] however,t he fabricationo ff erric phosphate hydroxide or ferric phosphate nano/micromaterials with controlled morphologyi s still achallenge.…”

mentioning

confidence: 99%

Ferric Phosphate Hydroxide Microstructures Affect Their Magnetic Properties

et al. 2015

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Uniformly sized and shape-controlled nanoparticles are important due to their applications in catalysis, electrochemistry, ion exchange, molecular adsorption, and electronics. Several ferric phosphate hydroxide (Fe4(OH)3(PO4)3) microstructures were successfully prepared under hydrothermal conditions. Using controlled variations in the reaction conditions, such as reaction time, temperature, and amount of hexadecyltrimethylammonium bromide (CTAB), the crystals can be grown as almost perfect hyperbranched microcrystals at 180 °C (without CTAB) or relatively monodisperse particles at 220 °C (with CTAB). The large hyperbranched structure of Fe4(OH)3(PO4)3 with a size of ∼19 μm forms with the “fractal growth rule” and shows many branches. More importantly, the magnetic properties of these materials are directly correlated to their size and micro/nanostructure morphology. Interestingly, the blocking temperature (TB) shows a dependence on size and shape, and a smaller size resulted in a lower TB. These crystals are good examples that prove that physical and chemical properties of nano/microstructured materials are related to their structures, and the precise control of the morphology of such functional materials could allow for the control of their performance.

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Kinetic manipulation of the morphology evolution of FePO4 microcrystals: from rugbies to porous microspheres

Cited by 13 publications

References 39 publications

Ce ³⁺ ‐doped neodymium phosphate nanostructures: controllable synthesis, influencing factors, and photoluminescence properties

Ce ³⁺ ‐doped neodymium phosphate nanostructures: controllable synthesis, influencing factors, and photoluminescence properties

Ferric Phosphate Hydroxide Microcrystals for Highly Efficient Visible‐Light‐Driven Photocatalysts

Ferric Phosphate Hydroxide Microstructures Affect Their Magnetic Properties

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Kinetic manipulation of the morphology evolution of FePO4 microcrystals: from rugbies to porous microspheres

Cited by 13 publications

References 39 publications

Ce 3+ ‐doped neodymium phosphate nanostructures: controllable synthesis, influencing factors, and photoluminescence properties

Ce 3+ ‐doped neodymium phosphate nanostructures: controllable synthesis, influencing factors, and photoluminescence properties

Ferric Phosphate Hydroxide Microcrystals for Highly Efficient Visible‐Light‐Driven Photocatalysts

Ferric Phosphate Hydroxide Microstructures Affect Their Magnetic Properties

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Product

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Ce ³⁺ ‐doped neodymium phosphate nanostructures: controllable synthesis, influencing factors, and photoluminescence properties

Ce ³⁺ ‐doped neodymium phosphate nanostructures: controllable synthesis, influencing factors, and photoluminescence properties