Enhanced selectivity and stability towards CO2 reduction of sub-5 nm Au NPs derived from supramolecular assembly

2021 ◽  
Author(s):  
Xianmeng Song ◽  
Minna Cao ◽  
Ruru Chen ◽  
Huimin Wang ◽  
Hongfang Li ◽  
...  
Keyword(s):  
Self Assembly ◽  
Au Nanoparticles ◽  
Co2 Reduction ◽  
Supramolecular Assembly ◽  
Catalytic Performance ◽  
Au Nps ◽  
Excellent Catalytic Performance ◽  
Enhanced Selectivity

Au nanoparticles protected by macrocyclic cucurbit[n]uril (CB[n]) are obtained from supramolecular self-assembly. Attributed to the unique features of CB[n], CB[n]-Au catalysts present excellent catalytic performance for CO2 electroreduction to CO.

Monolithic carbon foam-supported Au nanoparticles with excellent catalytic performance in a fixed-bed system

2017 ◽  
Vol 41 (24) ◽  
pp. 15027-15032 ◽  
Author(s):  
Xiang Liu ◽  
Yan Li ◽  
Zheng Xing ◽  
Xiaohua Zhao ◽  
Ningning Liu ◽  
...  
Keyword(s):  
Au Nanoparticles ◽  
Fixed Bed ◽  
Carbon Foam ◽  
Catalytic Performance ◽  
System P ◽  
Fixed Bed System ◽  
Excellent Catalytic Performance

A MCF/Au monolith can be innovatively utilized to construct a fixed-bed system, which exhibits exceptional reduction performance for 4-nitrophenol.

Self-assembly of Au nanoparticles on graphene sheets as a catalyst with controlled grafting density and high reusability

RSC Advances ◽  
2014 ◽  
Vol 4 (106) ◽  
pp. 61823-61830 ◽  
Author(s):  
Haiqing Yao ◽  
Tsao-Cheng Huang ◽  
Hung-Jue Sue
Keyword(s):  
Graphene Oxide ◽  
Self Assembly ◽  
Au Nanoparticles ◽  
Graphene Sheets ◽  
Au Nps ◽  
Grafting Density ◽  
Graphene Oxide Sheets

Novel catalysts based on self-assembly of Au NPs on graphene oxide sheets through silane functionalization were reported.

Uniform Ni/SiO2@Au magnetic hollow microspheres: rational design and excellent catalytic performance in 4-nitrophenol reduction

Nanoscale ◽  
2014 ◽  
Vol 6 (12) ◽  
pp. 7025-7032 ◽  
Author(s):  
Shenghuan Zhang ◽  
Shili Gai ◽  
Fei He ◽  
Yunlu Dai ◽  
Peng Gao ◽  
...  
Keyword(s):  
Thermal Decomposition ◽  
Catalytic Activity ◽  
Rational Design ◽  
Au Nanoparticles ◽  
Catalytic Performance ◽  
Hollow Microspheres ◽  
Nitrophenol Reduction ◽  
Excellent Catalytic Performance

Uniform Ni/SiO2 magnetic hollow microspheres were prepared by an in situ thermal decomposition and reduction route. Tiny Au nanoparticles (5 nm) were linked to Ni/SiO2 microspheres. The as-prepared Ni/SiO2@Au catalysts exhibited excellent catalytic activity for 4-nitrophenol reduction.

Environmentally benign bio-inspired synthesis of Au nanoparticles, their self-assembly and agglomeration

RSC Advances ◽  
2015 ◽  
Vol 5 (52) ◽  
pp. 42081-42087 ◽  
Author(s):  
Ramesh Raliya ◽  
Pratim Biswas
Keyword(s):  
Gold Nanoparticles ◽  
Solanum Lycopersicum ◽  
Self Assembly ◽  
Soluble Protein ◽  
Au Nanoparticles ◽  
Environmentally Benign ◽  
Synthesis And Characterization ◽  
Gold Chloride ◽  
Au Nps

The synthesis and characterization of stable gold nanoparticles (Au NPs) from gold chloride in soluble protein extracts of tomato (Solanum lycopersicum L.) leaves is demonstrated.

Theoretical investigations of electrochemical CO2 reduction by transition metals anchored on CNTs

2020 ◽  
Vol 4 (12) ◽  
pp. 6156-6164
Author(s):  
Chengcheng Ao ◽  
Wei Zhao ◽  
Shanshan Ruan ◽  
Siyu Qian ◽  
Yi Liu ◽  
...  
Keyword(s):  
Transition Metals ◽  
Carbon Materials ◽  
Co2 Reduction ◽  
Catalytic Performance ◽  
Nitrogen Doped ◽  
Electrochemical Co2 Reduction ◽  
Theoretical Investigations ◽  
Nitrogen Doped Carbon ◽  
Excellent Catalytic Performance ◽  
Electrochemical Catalysts

Transition metals supported on nitrogen doped carbon materials are a class of promising electrochemical catalysts toward electrochemical CO2 reduction reactions (CO2RR) that have exhibited excellent catalytic performance.

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.

scholarly journals Synthesis of a Novel Magnetically Retrievable Nanocomposite with Au Nanocatalysts for Hydration Reaction

Catalysts ◽  
2019 ◽  
Vol 9 (10) ◽  
pp. 789
Author(s):  
Xiaoxi Yu ◽  
Yingjie Dai ◽  
Youran Wu ◽  
Yunfeng Cheng ◽  
Qingshan Zhao
Keyword(s):  
Au Nanoparticles ◽  
Catalytic Performance ◽  
Industrial Applications ◽  
Metal Leaching ◽  
Core Shell ◽  
Hydration Reaction ◽  
Two Dimensional ◽  
Practical Applications ◽  
Reduced Graphene ◽  
Excellent Catalytic Performance

Developing efficient catalysts with good recyclability is of great importance for its practical applications. In this study, a novel magnetically retrievable nanocomposite (Au-SiO2@Fe3O4-RGO) was synthesized for catalyzing hydration reaction. Active Au nanoparticles are deposited on core-shell SiO2@Fe3O4, which are further supported by a two-dimensional reduced graphene oxide (RGO) platform. The prepared Au-SiO2@Fe3O4-RGO was proven to be efficient as well as recyclable. An excellent catalytic performance, with 97% yield towards the hydration of phenylacetylene, was achieved for the catalyst in dioxane. Remarkably, the catalyst can be readily recycled through magnetic separation and achieved superior catalyst recovery and stability after seven cycles without any metal leaching. This work provides a strategy to fabricate recyclable and durable catalysts for industrial applications.

Synthesis of a hollow structured core–shell Au@CeO2–ZrO2 nanocatalyst and its excellent catalytic performance

2017 ◽  
Vol 5 (11) ◽  
pp. 5601-5611 ◽  
Author(s):  
Chenhao Du ◽  
Yun Guo ◽  
Yanglong Guo ◽  
Xue-Qing Gong ◽  
Guanzhong Lu
Keyword(s):  
Surface Area ◽  
Au Nanoparticles ◽  
High Surface ◽  
High Surface Area ◽  
Catalytic Performance ◽  
Core Shell ◽  
Deposition Method ◽  
Hollow Core ◽  
Excellent Catalytic Performance ◽  
Ultrathin Layer

We proposed a hard-templated and electrostatic attraction induced deposition method to prepare a hollow core–shell Au@CeO2–ZrO2 nanocatalyst with a high surface area, in which a 6–8 nm ultrathin layer composed of CeO2–ZrO2 nanocrystals is embedded with individual Au nanoparticles, forming a sub-10 nm core–shell-like structure.

Fabrication and Excellent Catalytic Performance of Three-dimensional Ordered Mesoporous Molybdenum Oxides

2014 ◽  
Vol 29 (2) ◽  
pp. 124-130 ◽  
Author(s):  
Yu-Cheng DU ◽  
Guang-Wei ZHENG ◽  
Qi MENG ◽  
Li-Ping WANG ◽  
Hai-Guang FAN ◽  
...  
Keyword(s):  
Three Dimensional ◽  
Catalytic Performance ◽  
Molybdenum Oxides ◽  
Ordered Mesoporous ◽  
Excellent Catalytic Performance

Nanoporous Au-Sn with solute strain for simultaneously enhanced selectivity and durability during electrochemical CO2 reduction

2020 ◽  
Vol 43 ◽  
pp. 154-160 ◽  
Author(s):  
Xianglong Lu ◽  
Tianshui Yu ◽  
Hailing Wang ◽  
Lihua Qian ◽  
Ruichun Luo ◽  
...  
Keyword(s):  
Co2 Reduction ◽  
Electrochemical Co2 Reduction ◽  
Enhanced Selectivity
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