Assembling strategy to synthesize palladium modified kaolin nanocomposites with different morphologies

Li, Xiaoyu; Ouyang, Jing; Zhou, Yonghua; Yang, Huaming

doi:10.1038/srep13763

Cited by 54 publications

(25 citation statements)

References 48 publications

(56 reference statements)

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“…The reduction product 4-AP is less poisonous and an important intermediate for the synthesis of analgesic and antipyretic drugs such as paracetamol, phenacetin, and acetanilide. Owing to its easy measurement and complete conversion without byproducts [46], the catalytic reduction reaction of 4-NP to 4-AP with NaBH 4 as a reductant is widely used as a model reaction for the evaluation of catalytic activity [47,48].…”

Section: Nano Resmentioning

confidence: 99%

Hierarchical MoS2 intercalated clay hybrid nanosheets with enhanced catalytic activity

et al. 2016

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Emerging hierarchical MoS 2 /pillared-montmorillonite (MoS 2 /PMMT) hybrid nanosheets were successfully prepared through facile in-situ hydrothermal synthesis of MoS 2 within the interlayer of cetyltrimethylammonium bromide PMMT, and their catalytic performance was evaluated by the reduction reaction of 4-nitrophenol (4-NP) using NaBH 4 as a reductant. Microstructure and morphology characterization indicated that MoS 2 /PMMT exhibited hybrid-stacked layered structures with an interlayer spacing of 1.29 nm, and the MoS 2 nanosheets were intercalated within the montmorillonite (MMT) layers, with most of the edges exposed to the outside. The catalytic activity and stability of MoS 2 /PMMT were both enhanced by the MMT. With the MoS 2 /PMMT as the catalyst, the apparent reaction rate constant of the 4-NP reduction was 0.723 min −1 and was maintained at ~0.679 min −1 after five reaction cycles. The structural evolution of MoS 2 /PMMT and the possible catalysis mechanism for the reduction reaction of 4-NP were investigated. The as-prepared MoS 2 /PMMT hybrid nanosheets are promising candidates for catalytic application in the water-treatment and biomedical fields. The strategy developed in this study can provide insights for designing hybrid nanosheets with diverse heterogeneous two-dimensional (2D) nanomaterials.

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Section: Nano Resmentioning

confidence: 99%

Hierarchical MoS2 intercalated clay hybrid nanosheets with enhanced catalytic activity

et al. 2016

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“…[1][2][3] Natural polymers are biodegradable, sustainable, and economical. [1][2][3] Natural polymers are biodegradable, sustainable, and economical.…”

Section: Introductionmentioning

confidence: 99%

Effects of different silane coupling agents on structure and properties of starch–chitosan–kaolin composites

Zhang

Xing

et al. 2019

J of Applied Polymer Sci

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Effects of different silane coupling agents on clay surface modification were studied. Herein, functionalized superfine kaolin was compounded with starch-chitosan (SCS) to prepare starch-chitosan-functionalized superfine kaolin composite. The characterization results showed that kaolin (K) was successfully modified; the composite formed a dense intercalated structure. The glass-transition temperature (T g ) was measured by differential scanning calorimetry and dynamic mechanical analysis. It decreased by 60 C which attested the crystallinity of SCS. The results of thermogravimetric analysis showed that the fastest weight-loss temperature (T max ) was elevated by over 50 C for composites. Mechanical properties of the composites were explored by electronic universal testing machine. Tensile strength and elongation of composites were improved by 4.7 and 10.9 times.

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“…Due to its large specific surface area, abundant surface hydroxyl groups, high adsorptive property, and hydrophilicity [20], MMT demonstrates great potential in the fields of wastewater treatment [21,22], pollutant adsorption [23], catalyst supports [24,25], energy storage matrix [26,27], and drug delivery systems [28]. The supporting of MoSe 2 on MMT might inhibit the agglomeration of nanosheets and improve the hydrophilicity and dispersibility of composites, which could provide a larger surface area and more reactive sites, as well as enhance the photocatalytic activity.…”

Section: Introductionmentioning

confidence: 99%

MoSe2/Montmorillonite Composite Nanosheets: Hydrothermal Synthesis, Structural Characteristics, and Enhanced Photocatalytic Activity

Peng

2018

Minerals

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MoSe 2 /montmorillonite composite nanosheets were successfully synthesized by a facile hydrothermal method, and the photocatalytic activities of the samples were evaluated by the decoloration of Rhodamine B. The structural characterizations indicate that the MoSe 2 nanosheets grow uniformly on the surface of montmorillonite with interface interaction, and the active sites on the nanosheet edges are exposed. Montmorillonite can inhibit the agglomeration of MoSe 2 nanosheets, improve the hydrophilicity and dispersibility of composites, and provides a larger surface area and more reactive sites for photocatalytic reaction. MoSe 2 /montmorillonite possesses the highest adsorption properties and photocatalytic abilities, and the overall decoloration rate is up to 98.2% after visible light irradiation for 45 min. The assembly of montmorillonite could enhance the photocatalytic ability of MoSe 2 , and the possible photocatalytic reaction mechanism of MoSe 2 /montmorillonite for Rhodamine B was explored. MoSe 2 /montmorillonite has potential applications in the photodegradation of organic dyes in the wastewater.

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Assembling strategy to synthesize palladium modified kaolin nanocomposites with different morphologies

Cited by 54 publications

References 48 publications

Hierarchical MoS2 intercalated clay hybrid nanosheets with enhanced catalytic activity

Hierarchical MoS2 intercalated clay hybrid nanosheets with enhanced catalytic activity

Effects of different silane coupling agents on structure and properties of starch–chitosan–kaolin composites

MoSe2/Montmorillonite Composite Nanosheets: Hydrothermal Synthesis, Structural Characteristics, and Enhanced Photocatalytic Activity

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