Kinetics of nanocrystalline MgO growth by the sol–gel combustion method

Bueno, Alexandre R.; Oman, Renata F.M.; Jardim, P.M.; Rey, Nicolás A.; Avillez, Roberto R. de

doi:10.1016/j.micromeso.2013.10.021

Cited by 33 publications

(14 citation statements)

References 35 publications

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“…4 (a)). The porous structure and the specific surface area of the samples are examined by the typical feature for combustion derived products, which is good accordance with other report [19].…”

Section: Crystal Structures and Morphologiessupporting

confidence: 88%

Enhanced formaldehyde sensing performance of 3D hierarchical porous structure Pt-functionalized NiO via a facile solution combustion synthesis

Dong

Chen

et al. 2015

Sensors and Actuators B: Chemical

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Section: Crystal Structures and Morphologiessupporting

confidence: 88%

Enhanced formaldehyde sensing performance of 3D hierarchical porous structure Pt-functionalized NiO via a facile solution combustion synthesis

Dong

Chen

et al. 2015

Sensors and Actuators B: Chemical

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“…318 After pyrolysis at 600 1C, the mesostructure can be observed from the results of small angle X-ray scattering (SAXS) and TEM. [320][321][322] The CO 2 -TPD technique was employed to characterize the basicity of mesoporous MgO-carbon composites. [320][321][322] The CO 2 -TPD technique was employed to characterize the basicity of mesoporous MgO-carbon composites.…”

Section: Mesoporous Carbon Materialsmentioning

confidence: 99%

Design and fabrication of mesoporous heterogeneous basic catalysts

2015

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Mesoporous solid bases are extremely desirable in green catalytic processes, due to their advantages of accelerated mass transport, negligible corrosion, and easy separation. Great progress has been made in mesoporous solid bases in the last decade. In addition to their wide applications in the catalytic synthesis of organics and fine chemicals, mesoporous solid bases have also been used in the field of energy and environmental catalysis. Development of mesoporous solid bases is therefore of significant importance from both academic and practical points of view. In this review, we provide an overview of the recent advances in mesoporous solid bases, which is basically grouped by the support type and each category is illustrated with typical examples. Cooperative catalysts derived from the incorporation of additional functionalities (i.e. acid and metal) into mesoporous solid bases are also included. The fundamental principles of how to design and fabricate basic materials with mesostructure are highlighted. The mechanism of the formation of basic sites in different mesoporous systems is discussed as well.

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“…In TG curve, the marked weight loss 19.71% in the range of 77.4 • C-250 • C is briefly attributed to the physically absorbed water and crystalline water. And the weight loss 37.35% in the range of 250 • C-550 • C is assigned to the decarboxylation of Mg 5 (CO 3 ) 4 (OH) 2 (H 2 O) 4 [13,19]. The overall weight loss between room temperature and 700 • C is around 57.06%, which is in line with the theoretical value 57.08% calculated from the complete decomposition of Mg 5 (CO 3 ) 4 (OH) 2 (H 2 O) 4 precursor1 (Mg 5 (CO 3 ) 4 (OH) 2 (H 2 O) 4 = 5MgO + 4CO 2 ↑ + 5H 2 O↑) [12,20].…”

Section: Characterizations Of Precursor and Mgo Particles Prepared Inmentioning

confidence: 99%

Roles of ethylene glycol solvent and polymers in preparing uniformly distributed MgO nanoparticles

Hai¹,

Zhou³

et al. 2017

Journal of Asian Ceramic Societies

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This study focus on specifying the roles of solvent ethylene glycol (EG) and polymers for synthesis of uniformly distributed magnesium oxide (MgO) nanoparticles with average crystallite size of around 50 nm through a modified polyol method. Based on different characterization results, it was concluded that, Mg 2+ ions was precipitated by the −OH and CO 3 2− ions decomposed from urea in ethylene glycol (EG) medium (CO(NH 2) 2 → NH 3 + HNCO, HNCO + H 2 O → NH 3 + CO 2), thus forming well crystallized Mg 5 (CO 3) 4 (OH) 2 (H 2 O) 4 precursor which could be converted to MgO by calcination. Surface protectors PEG and PVP have no obvious influences on cyrtsal structure, morphology and size uniformity of asprepared precursors and target MgO nanoparticles. In comparison with polymers PEG and PVP, solvent EG plays an important role in controlling the morphology and diameter uniformity of MgO nanoparticles.

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Kinetics of nanocrystalline MgO growth by the sol–gel combustion method

Cited by 33 publications

References 35 publications

Enhanced formaldehyde sensing performance of 3D hierarchical porous structure Pt-functionalized NiO via a facile solution combustion synthesis

Enhanced formaldehyde sensing performance of 3D hierarchical porous structure Pt-functionalized NiO via a facile solution combustion synthesis

Design and fabrication of mesoporous heterogeneous basic catalysts

Roles of ethylene glycol solvent and polymers in preparing uniformly distributed MgO nanoparticles

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