A new Ce-doped MgAl-LDH@Au nanocatalyst for highly efficient reductive degradation of organic contaminants

2017 ◽  
Vol 5 (14) ◽  
pp. 6716-6724 ◽  
Author(s):  
Kanwal Iqbal ◽  
Anam Iqbal ◽  
Alexander M. Kirillov ◽  
Bingkai Wang ◽  
Weisheng Liu ◽  
...  
Keyword(s):  
Organic Contaminants ◽  
Au Nanoparticles ◽  
Environmentally Friendly ◽  
Average Diameter ◽  
Au Nps ◽  
Highly Efficient ◽  
Reductive Degradation ◽  
New Type

A new type of convenient, environmentally friendly, and recyclable nanocatalyst (abbreviated as MgAlCe-LDH@Au) was designed and successfully assembled by loading Au nanoparticles (Au NPs; ∼3 nm average diameter) on a MgAlCe-LDH support through an in situ reduction of HAuCl4 by NaBH4.

Catalytic asymmetric hydrogenation reaction by in situ formed ultra-fine metal nanoparticles in live thermophilic hydrogen-producing bacteria

Nanoscale ◽  
2021 ◽  
Author(s):  
Wei Bing ◽  
Faming Wang ◽  
Yuhuan Sun ◽  
Jinsong Ren ◽  
Xiaogang Qu
Keyword(s):  
Metal Nanoparticles ◽  
Catalytic Hydrogenation ◽  
Asymmetric Hydrogenation ◽  
Environmentally Friendly ◽  
Hydrogenation Reaction ◽  
Highly Efficient ◽  
Hydrogenation Reactions ◽  
Live Bacteria ◽  
Catalytic Asymmetric Hydrogenation

An environmentally friendly biomimetic strategy has been presented and validated for the catalytic hydrogenation reaction in live bacteria. In situ formed ultra-fine metal nanoparticles can realize highly efficient asymmetric hydrogenation reactions.

In Situ Exsolved Au Nanoparticles from Perovskite Oxide for Efficient Epoxidation of Styrene

2021 ◽  
Author(s):  
Yang Gao ◽  
Xing Chen ◽  
Shuqi Hu ◽  
Shiguo Zhang
Keyword(s):  
Density Functional Theory ◽  
Thermodynamic Analysis ◽  
Density Functional ◽  
Au Nanoparticles ◽  
Oxide Catalyst ◽  
Density Functional Theory Calculations ◽  
Average Diameter ◽  
Perovskite Oxide ◽  
Functional Theory

Au-doped SrTiO3 perovskite oxide catalyst (Sr0.995Au0.005TiO3-δ) has been designed and synthesized based on thermodynamic analysis and density functional theory calculations. During reduction, Au nanoparticles with an average diameter of 2...

A novel photoelectrode based on eosin Y–rhodamine B duo-dye sensitized Au nanoparticles by in situ reduction

2017 ◽  
Vol 9 (38) ◽  
pp. 5586-5592 ◽  
Author(s):  
Y. L. Yuan ◽  
G. M. Pang ◽  
X. K. Li ◽  
W. Y. Zhu ◽  
H. C. Pan
Keyword(s):  
Rhodamine B ◽  
Au Nanoparticles ◽  
Specific Response ◽  
Eosin Y ◽  
In Situ Reduction ◽  
Au Nps ◽  
Dye Sensitized ◽  
Novel Strategy

A novel strategy for the fabrication of a photoelectrochemical system, involving a duo-dye sensitized Au NPs composite, that displays a specific response to mercury.

A facile construction of Au nanoparticles on a copolymer ligand brushes modified graphene oxide nanoplatform with excellent catalytic properties

RSC Advances ◽  
2016 ◽  
Vol 6 (69) ◽  
pp. 64937-64945 ◽  
Author(s):  
Yajiao Song ◽  
Jianhua Lü ◽  
Bingxin Liu ◽  
Changli Lü
Keyword(s):  
Graphene Oxide ◽  
Catalytic Activity ◽  
Au Nanoparticles ◽  
Catalytic Properties ◽  
High Catalytic Activity ◽  
Au Nps ◽  
Modified Graphene Oxide ◽  
Modified Graphene ◽  
Copolymer Brush

Au NPs were generated via in situ reduction on copolymer brush P(OEGMA-co-MQ) functionalized GO. MQ units in the brushes as capping agents could stabilize the Au NPs. The Au NPs–GO hybrid exhibited high catalytic activity for the reduction of 4-NP.

Electrosynthesis of diphenyl carbonate by homogeneous Pd electrocatalysts using Au nanoparticles on graphene as efficient anodes

2016 ◽  
Vol 6 (15) ◽  
pp. 6002-6010 ◽  
Author(s):  
Ryoichi Kanega ◽  
Hitoshi Ogihara ◽  
Ichiro Yamanaka
Keyword(s):  
Au Nanoparticles ◽  
Au Nanoparticle ◽  
Diphenyl Carbonate ◽  
Au Nps

Electrochemical carbonylation of phenol (PhOH) with CO (1 atm) to form diphenyl carbonate (DPC) was studied by using a Pd-(in situ NHC) electrocatalyst and graphene-supported Au nanoparticle (Au NPs/GR) anodes.

In situ preparation of core-satellites nanostructural magnetic-Au NPs composite for catalytic degradation of organic contaminants

2014 ◽  
Vol 254 ◽  
pp. 514-523 ◽  
Author(s):  
Jing Hu ◽  
Ya-lei Dong ◽  
Zia ur Rahman ◽  
Yan-hua Ma ◽  
Cui-ling Ren ◽  
...  
Keyword(s):  
Organic Contaminants ◽  
Catalytic Degradation ◽  
Au Nps ◽  
In Situ Preparation

In situ intercalation of Au nanoparticles and magnetic γ-Fe2O3 in the walls of MCM-41 with abundant void defects for highly efficient reduction of 4-nitrophenol and organic dyes

2018 ◽  
Vol 47 (47) ◽  
pp. 16862-16875 ◽  
Author(s):  
Shijian Zhou ◽  
Weiming Jin ◽  
Yun Ding ◽  
Bo Shao ◽  
Bangbang Wang ◽  
...  
Keyword(s):  
Au Nanoparticles ◽  
Organic Dyes ◽  
Assembly Process ◽  
Highly Efficient ◽  
Efficient Reduction ◽  
Void Defects ◽  
Mcm 41

Au nanoparticles and magnetic γ-Fe2O3 are intercalated in situ in the walls of MCM-41, and abundant void defects appeared during the assembly process.

Poly(diallyldimethylammonium chloride)–cellulose nanocrystals supported Au nanoparticles for nonenzymatic glucose sensing

RSC Advances ◽  
2016 ◽  
Vol 6 (8) ◽  
pp. 6436-6442 ◽  
Author(s):  
Lili Dong ◽  
Xiuqiang Zhang ◽  
Suxia Ren ◽  
Tingzhou Lei ◽  
Xiuxuan Sun ◽  
...  
Keyword(s):  
Cellulose Nanocrystals ◽  
Self Assembly ◽  
Au Nanoparticles ◽  
Glucose Sensing ◽  
The Self ◽  
Au Nps ◽  
Diallyldimethylammonium Chloride ◽  
Positively Charged

PDDA–CNCs supported Au nanohybrids, which were prepared by in-situ deposition of Au NPs, via the self-assembly between negative Au precursor and positively charged PDDA–CNCs, exhibited excellent electrochemical glucose sensing ability.

In situ green synthesis of Au nanoparticles onto polydopamine-functionalized graphene for catalytic reduction of nitrophenol

RSC Advances ◽  
2014 ◽  
Vol 4 (110) ◽  
pp. 64816-64824 ◽  
Author(s):  
Jing Luo ◽  
Nan Zhang ◽  
Ren Liu ◽  
Xiaoya Liu
Keyword(s):  
Catalytic Activity ◽  
Green Synthesis ◽  
Au Nanoparticles ◽  
Catalytic Reduction ◽  
Reducing Agent ◽  
Functionalized Graphene ◽  
Au Nps ◽  
Surface Modifier ◽  
Green Route

A simple and green route was demonstrated to prepare graphene/Au NPs nanocomposite using polydopamine as surface modifier, reducing agent and stabilizer simultaneously, which exhibits remarkable catalytic activity for the reduction of 4-nitrophenol.

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