Transfer hydrogenation of cinnamaldehyde to cinnamyl alcohol in hydrophobically modified core–shell MOFs nanoreactor: Identification of the formed metal–N as the structure of an active site

2020 ◽  
Vol 381 ◽  
pp. 468-481 ◽  
Author(s):  
Haishuai Cui ◽  
Sihua Liu ◽  
Yang Lv ◽  
Shengtao Wu ◽  
Liping Wang ◽  
...  
Keyword(s):  
Active Site ◽  
Transfer Hydrogenation ◽  
Core Shell ◽  
Cinnamyl Alcohol ◽  
Hydrophobically Modified

Insights into mechanism of catalytic ozonation of cinnamyl alcohol over core-shell Fe3O4@SiO2@La2O3 catalyst

2021 ◽  
pp. 119969
Author(s):  
Jinshan Song ◽  
Nengwei Ma ◽  
Wenqing Chen ◽  
Jianmeng Chen ◽  
Qizhou Dai
Keyword(s):  
Catalytic Ozonation ◽  
Core Shell ◽  
Cinnamyl Alcohol

Active Site Design in a Core-Shell Nanostructured Catalyst for a One-Pot Oxidation Reaction

2011 ◽  
Vol 17 (33) ◽  
pp. 9047-9051 ◽  
Author(s):  
Shusuke Okada ◽  
Kohsuke Mori ◽  
Takashi Kamegawa ◽  
Michel Che ◽  
Hiromi Yamashita
Keyword(s):  
Active Site ◽  
Oxidation Reaction ◽  
Core Shell ◽  
Nanostructured Catalyst ◽  
One Pot ◽  
Site Design

Core–shell structured mesoporous silica: a new immobilized strategy for rhodium catalyzed asymmetric transfer hydrogenation

2012 ◽  
Vol 48 (63) ◽  
pp. 7874 ◽  
Author(s):  
Huaisheng Zhang ◽  
Ronghua Jin ◽  
Hui Yao ◽  
Shuang Tang ◽  
Jinglan Zhuang ◽  
...  
Keyword(s):  
Mesoporous Silica ◽  
Transfer Hydrogenation ◽  
Core Shell ◽  
Asymmetric Transfer Hydrogenation

In situ design of Cu and Co nanoparticles encapsulated in N-doped graphene with core–shell structure-derived 8-hydroxyquinoline complexes for the selective catalytic reduction of NOx by NH3

2020 ◽  
Vol 44 (29) ◽  
pp. 12639-12645
Author(s):  
Zhifang Li ◽  
Jian Yang ◽  
Xiaoyu Ma ◽  
Jinxing Cui ◽  
Yuanyuan Ma ◽  
...  
Keyword(s):  
Active Site ◽  
Shell Structure ◽  
Catalytic Reduction ◽  
Core Shell ◽  
Excellent Activity ◽  
Doped Graphene ◽  
Reduction Of Nox ◽  
Core Shell Structure ◽  
Co Nanoparticles

The Cu and Co nanoparticles surrounding by N-doped graphene (labeled Cu@N-Gr and Co@N-Gr) catalysts exhibited excellent activity in the NH3-SCR, which is because the graphene shell can effectively prevent the agglomeration of active site.

scholarly journals Simultaneous Adsorption and Degradation of Cr(VI) and Cd(II) Ions from Aqueous Solution by Silica-Coated Fe0Nanoparticles

2013 ◽  
Vol 2013 ◽  
pp. 1-8 ◽  
Author(s):  
Yongchao Li ◽  
Hongpu Ma ◽  
Bozhi Ren ◽  
Tielong Li
Keyword(s):  
Aqueous Solution ◽  
Active Site ◽  
Removal Rate ◽  
Core Shell ◽  
Simultaneous Removal ◽  
Stöber Method ◽  
Removal Capacity ◽  
Batch Tests ◽  
One Step ◽  
Modified Stöber Method

Core-shell silica-coated Fe0nanoparticles (Fe@SiO2) were prepared in one-step synthesis by aqueous reduction combined with modified Stöber method. The as-prepared Fe@SiO2were then used for simultaneous removal of Cr(VI) and Cd(II) from aqueous solution. Batch tests indicated that Fe@SiO2exhibited high removal capacity toward Cr(VI) and Cd(II). Cr(VI) was removed by Fe@SiO2through reduction rather than adsorption, while Cd(II) removal was mainly through adsorption. The removal rate increased with increasing initial Fe NPs dose and decreased with increasing initial Cr(VI) and Cd(II) concentrations. Cd(II) adsorption was also strengthened by Cr(VI) reduction with the release of OH−. The removals of Cr(VI) and Cd(II) were weakened in the presence of cations or humic acid, as a result of aggregation and less active site of Fe@SiO2. Overall, the simply prepared Fe@SiO2were potential material for the heavy metals removed from water.

Facile Synthesis of Hybrid Core-Shell Nanospheres for the Asymmetric Transfer Hydrogenation of Aromatic Ketones

ChemCatChem ◽  
2014 ◽  
pp. n/a-n/a
Author(s):  
Juan Wei ◽  
Xiaomin Zhang ◽  
Xiaoming Zhang ◽  
Yaopeng Zhao ◽  
Ruixiang Li ◽  
...  
Keyword(s):  
Transfer Hydrogenation ◽  
Core Shell ◽  
Asymmetric Transfer Hydrogenation ◽  
Facile Synthesis ◽  
Aromatic Ketones
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