Porosity controls the catalytic activity of platinum nanoparticles

2019 ◽  
Vol 21 (36) ◽  
pp. 20415-20421 ◽  
Author(s):  
Wenmiao Yu ◽  
Christopher Batchelor-McAuley ◽  
Xin Chang ◽  
Neil P. Young ◽  
Richard G. Compton
Keyword(s):  
Catalytic Activity ◽  
Internal Structure ◽  
Platinum Nanoparticles ◽  
Growth Mechanisms ◽  
Catalytic Surface

Dendritic/mesoporous nanoparticle structures arise naturally and result from aggregation based growth mechanisms. For the 70 nm particles studied herein, up to 60% of the catalytic surface is contained in the internal structure of the particle.

Platinum nanoparticles encapsulated in mesoporous silica: Preparation, characterisation and catalytic activity in toluene hydrogenation

2005 ◽  
Vol 86 (1-3) ◽  
pp. 198-206 ◽  
Author(s):  
Svatopluk Chytil ◽  
Wilhelm R. Glomm ◽  
Elisabeth Vollebekk ◽  
Håkon Bergem ◽  
John Walmsley ◽  
...  
Keyword(s):  
Catalytic Activity ◽  
Mesoporous Silica ◽  
Platinum Nanoparticles ◽  
Toluene Hydrogenation

Catalytic activity of platinum nanoparticles on highly boron-doped and 100-oriented epitaxial diamond towards HER and HOR

2011 ◽  
Vol 13 (28) ◽  
pp. 12883 ◽  
Author(s):  
Tine Brülle ◽  
Andrej Denisenko ◽  
Hadwig Sternschulte ◽  
Ulrich Stimming
Keyword(s):  
Catalytic Activity ◽  
Platinum Nanoparticles ◽  
Boron Doped

Enhanced Catalytic Activity of Platinum Nanoparticles by Exfoliated Metal Hydroxide Nanosheets

ChemCatChem ◽  
2013 ◽  
Vol 6 (1) ◽  
pp. 113-118 ◽  
Author(s):  
Jong Hyeon Lee ◽  
Hana Kim ◽  
Yeon Soo Lee ◽  
Duk-Young Jung
Keyword(s):  
Catalytic Activity ◽  
Platinum Nanoparticles ◽  
Metal Hydroxide

Pt NPs immobilized on a N-doped graphene@Al2O3 hybrid support as robust catalysts for low temperature CO oxidation

2018 ◽  
Vol 54 (79) ◽  
pp. 11168-11171 ◽  
Author(s):  
Zhimin Jia ◽  
Fei Huang ◽  
Jiangyong Diao ◽  
Jiayun Zhang ◽  
Jia Wang ◽  
...  
Keyword(s):  
Catalytic Activity ◽  
Low Temperature ◽  
Co Oxidation ◽  
Platinum Nanoparticles ◽  
Support Interaction ◽  
Metal Support Interaction ◽  
Metal Support ◽  
Low Temperature Co Oxidation ◽  
Doped Graphene ◽  
Strong Metal Support Interaction

Platinum nanoparticles (Pt NPs) immobilized on a N-doped graphene@Al2O3 hybrid support (Al2O3@CNx) were synthesized and exhibit superior catalytic activity for low temperature CO oxidation, due to a strong metal–support interaction between Pt NPs and the N-doped.

Enhancement of catalytic activity for selective hydrogen production from formate with homogeneously poly(vinylpyrrolidone)/cationic poly(l-lysine) dispersed platinum nanoparticles

2020 ◽  
Vol 44 (34) ◽  
pp. 14334-14338
Author(s):  
Y. Minami ◽  
Y. Muroga ◽  
Y. Amao
Keyword(s):  
Catalytic Activity ◽  
Hydrogen Production ◽  
Platinum Nanoparticles ◽  
Pt Nanoparticles ◽  
Formate Decomposition

By using Pt nanoparticles dispersed by polyvinylpyrrolidone and cationic biopolymer, poly(l-lysine) (Pt–PVP/PLL), the highly selective H2 production based on formate decomposition was accomplished compared with that of Pt–PVP.

Controllable synthesis of Ni nanotube arrays and their structure-dependent catalytic activity toward dye degradation

CrystEngComm ◽  
2014 ◽  
Vol 16 (21) ◽  
pp. 4406-4413 ◽  
Author(s):  
Xiang-Zi Li ◽  
Kong-Lin Wu ◽  
Yin Ye ◽  
Xian-Wen Wei
Keyword(s):  
Catalytic Activity ◽  
Catalytic Properties ◽  
Dye Degradation ◽  
Nanotube Arrays ◽  
Nanorod Arrays ◽  
Growth Mechanisms ◽  
Controllable Synthesis ◽  
Catalytic Activities ◽  
One Step ◽  
The Relationship

Ni nanotube (nanorod) arrays are controllably fabricated by a one-step approach, the GDDATG and DDCG growth mechanisms are introduced. The Ni nanostructures present higher catalytic activities for dye degradation, the relationship between structures and catalytic properties is also studied.

High Catalytic Activity of Platinum Nanoparticles Immobilized on Spherical Polyelectrolyte Brushes

Langmuir ◽  
2005 ◽  
Vol 21 (26) ◽  
pp. 12229-12234 ◽  
Author(s):  
Yu Mei ◽  
Geeta Sharma ◽  
Yan Lu ◽  
Matthias Ballauff ◽  
Markus Drechsler ◽  
...  
Keyword(s):  
Catalytic Activity ◽  
Platinum Nanoparticles ◽  
High Catalytic Activity ◽  
Polyelectrolyte Brushes ◽  
Spherical Polyelectrolyte Brushes

scholarly journals Silver Ion Mediated Shape Control of Platinum Nanoparticles:  Removal of Silver by Selective Etching Leads to Increased Catalytic Activity

2008 ◽  
Vol 112 (13) ◽  
pp. 4797-4804 ◽  
Author(s):  
Michael E. Grass ◽  
Yao Yue ◽  
Susan E. Habas ◽  
Robert M. Rioux ◽  
Chelsea I. Teall ◽  
...  
Keyword(s):  
Catalytic Activity ◽  
Platinum Nanoparticles ◽  
Shape Control ◽  
Selective Etching ◽  
Silver Ion
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