Flow fabrication of a highly efficient Pd/UiO-66-NH2 film capillary microreactor for 4-nitrophenol reduction

Li, Jing; Wu, Feichao; Lin, Lu; Yu, Guanlong; Liu, Haiou; Zhang, Xiongfu

doi:10.1016/j.cej.2017.09.154

Cited by 62 publications

(32 citation statements)

References 29 publications

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“…Materials 2021, 14, x FOR PEER REVIEW 2 of 5 the formation of wastes. Dendrimers have also been applied in the design of functional fibers that are active in the removal of organic wastes and bacteria [7]. In this context, PET-1/PAMAM (NH2)4-polyester nonwovens [8] showed high catalytic efficacy in the reduction of 4-nitrophenol (4-NP) into 4-aminophenol (4-AP) [9].…”

Section: Application Of Dendrimers In the Science Of Materials Fieldmentioning

confidence: 99%

“…The PAMAM treatment introduces nucleophile amino groups in the polysaccharide able to capture dyes without the use of electrolytes and alkali, minimizing the dye hydrolysis, and reducing the formation of wastes. Dendrimers have also been applied in the design of functional fibers that are active in the removal of organic wastes and bacteria [ 7 ]. In this context, PET-1/PAMAM (NH 2 )4-polyester nonwovens [ 8 ] showed high catalytic efficacy in the reduction of 4-nitrophenol (4-NP) into 4-aminophenol (4-AP) [ 9 ].…”

Section: Application Of Dendrimers In the Science Of Materials Fieldmentioning

confidence: 99%

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Dendrimeric Structures in the Synthesis of Fine Chemicals

et al. 2021

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Dendrimers are highly branched structures with a defined shape, dimension, and molecular weight. They consist of three major components: the central core, branches, and terminal groups. In recent years, dendrimers have received great attention in medicinal chemistry, diagnostic field, science of materials, electrochemistry, and catalysis. In addition, they are largely applied for the functionalization of biocompatible semiconductors, in gene transfection processes, as well as in the preparation of nano-devices, including heterogeneous catalysts. Here, we describe recent advances in the design and application of dendrimers in catalytic organic and inorganic processes, sustainable and low environmental impact, photosensitive materials, nano-delivery systems, and antiviral agents’ dendrimers.

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Section: Application Of Dendrimers In the Science Of Materials Fieldmentioning

confidence: 99%

Section: Application Of Dendrimers In the Science Of Materials Fieldmentioning

confidence: 99%

Dendrimeric Structures in the Synthesis of Fine Chemicals

et al. 2021

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“…The introduction of MOGs as porous support for metal nanoparticles (NPs) may produce well-dispersed NPs inside the microporous channels, and the functionalization of organic linkers has essentially been used to stabilize metal NPs, as reported in the metal-organic framework materials. [35][36][37][38][39][40][41] In addition, MOGs can be synthesized in a gentle and facile manner. Therefore MOGs are promising monolithic materials.…”

Section: Introductionmentioning

confidence: 99%

Supported Metal Nanoparticles in Metal‐Organic Monoliths for Assembly of a Catalytic Microfluidic Reactor

Chen

et al. 2021

ChemNanoMat

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A novel strategy has been developed to fabricate an Au@CrADC (ADC=5‐aminobenzene‐1,3‐dicarboxylate) metal‐organic monolithic capillary in microfluidic reactors. Monolithic Cr3+‐based metal‐organic gel (MOG) as catalyst support is synthesized inside fused‐silica capillary employing a two‐step procedure including surface modification of carboxyl group to provide anchoring sites and subsequent MOG formation. Subsequently, Au nanoparticles are in situ immobilized in the monolithic MOG support as active catalysts. The resulting Au@CrADC monolithic capillary is used to assemble a catalytic microfluidic reactor. The catalytic activity of the Au@CrADC reactor is probed by using the oxidative alkyne coupling reaction to synthesize 1,3‐diynes. The catalytic microfluidic reactor demonstrates significantly enhanced catalytic activity in comparison with the corresponding reactions under batch conditions. Additionally, the microfluidic reactor shows high stability with no significant catalytic deactivation during repeated uses.

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“…A variety of nano/micromaterials have been continuously synthesized in a microreactor. The as‐prepared materials can be simply classified into inorganic single‐component micro/nanoparticles (e.g., Ag, Au, Pd, CdS, layered double hydroxides, ZIF‐8, In(OH) 3 ), inorganic micro/nanocomposites (e.g., Ag@Cu 2 O, MOF@SiO 2 ), and polymeric‐based materials . In the case of single‐component micro/nanoparticles, considerable efforts have been devoted to achieve how to manipulate the particle size and morphology of micro/nanoparticles.…”

Section: Introductionmentioning

confidence: 99%

Microfluidic synthesis of ultrasmall Co nanoparticles over reduced graphene oxide and their catalytic properties

2020

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We prepared a one-stage microfluidic-based method for continuous synthesis of cobalt (Co) nanoparticles over reduced graphene oxide (rGO) to produce Co/rGO composites. These were generated by the coreduction of Co 2+ ions and GO with NaBH 4 which was confined within discrete aqueous plugs segmented by octane as continuous phase. Owing to the excellent transfer properties from recirculation in these plugs, ultrasmall Co nanoparticles were distributed homogeneously on the GO sheets without using any surfactants. As compared to batch methods, the average size of Co nanoparticles and the relative standard deviation decreased from 4.0 ± 1.42 nm and 35.9% to 2.0 ± 0.45 nm and 22.6%, respectively. The as-prepared Co/rGO composites exhibited superior activity towards the catalytic reduction of pnitrophenol to p-aminophenol with NaBH 4 compared with Co nanoparticles and rGO; this enhanced activity could be attributed to the synergistic effect between Co nanoparticles and rGO.

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Flow fabrication of a highly efficient Pd/UiO-66-NH2 film capillary microreactor for 4-nitrophenol reduction

Cited by 62 publications

References 29 publications

Dendrimeric Structures in the Synthesis of Fine Chemicals

Dendrimeric Structures in the Synthesis of Fine Chemicals

Supported Metal Nanoparticles in Metal‐Organic Monoliths for Assembly of a Catalytic Microfluidic Reactor

Microfluidic synthesis of ultrasmall Co nanoparticles over reduced graphene oxide and their catalytic properties

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