Modulating the Structure and Hydrogen Evolution Reactivity of Metal Chalcogenide Complexes through Ligand Exchange onto Colloidal Au Nanoparticles

ACS Catalysis ◽  
2020 ◽  
Vol 10 (22) ◽  
pp. 13305-13313
Author(s):  
Vamakshi Yadav ◽  
Jeffrey S. Lowe ◽  
Alexander J. Shumski ◽  
Eric Z. Liu ◽  
Jeffrey Greeley ◽  
...  
Keyword(s):  
Hydrogen Evolution ◽  
Ligand Exchange ◽  
Au Nanoparticles ◽  
Metal Chalcogenide ◽  
Colloidal Au

Probing the ligand exchange kinetics of phenynyl-based ligands on colloidal Au nanoparticles

2021 ◽  
Vol 5 (1) ◽  
pp. 465-471
Author(s):  
Ting Xiang ◽  
Jianpeng Zong ◽  
Wenjia Xu ◽  
Yuhua Feng ◽  
Hongyu Chen
Keyword(s):  
Real Time ◽  
Ligand Exchange ◽  
Au Nanoparticles ◽  
Relative Strength ◽  
Real Time Monitoring ◽  
Exchange Kinetics ◽  
Colloidal Au ◽  
Kinetics Of

We show that phenynyl ligand could readily bind to colloidal Au nanoparticles. By real-time monitoring the SERS during ligand exchange, the relative strength of phenynyls, thiols and PVP ligands, and different phenynyls were successfully ranked.

scholarly journals Designing caps for colloidal Au nanoparticles

2021 ◽  
Author(s):  
Xiaoli Tian ◽  
Jianpeng Zong ◽  
Yusai Zhou ◽  
Dapeng Chen ◽  
Jia Jia ◽  
...  
Keyword(s):  
Au Nanoparticles ◽  
Active Surface ◽  
Surface Growth ◽  
Dynamic Competition ◽  
Structural Variety ◽  
Colloidal Au

We show that active surface growth is an effective method to create structural variety in the appending domain of Au seeds. The dynamic competition between the growth sites led to different Au hats on seeds.

Hydrogen evolution from water based on plasmon-induced charge separation at a TiO2/Au/NiO/Pt system

2017 ◽  
Vol 19 (46) ◽  
pp. 31429-31435 ◽  
Author(s):  
Kun-Che Kao ◽  
Yoshinori Kuroiwa ◽  
Hiroyasu Nishi ◽  
Tetsu Tatsuma
Keyword(s):  
Hydrogen Evolution ◽  
Methanol Oxidation ◽  
Charge Separation ◽  
Au Nanoparticles ◽  
System P ◽  
Water Based ◽  
Induced Charge

Plasmonic Au nanoparticles inject electrons into TiO2 and reduce water to hydrogen at a Pt cathode. Positive charges left in the Au nanoparticles are extracted by NiO and used for methanol oxidation.

An innovative Au-CdS/ZnS-RGO architecture for efficient photocatalytic hydrogen evolution

2018 ◽  
Vol 6 (7) ◽  
pp. 2895-2899 ◽  
Author(s):  
Shuangshuang Kai ◽  
Baojuan Xi ◽  
Xiaolei Liu ◽  
Lin Ju ◽  
Peng Wang ◽  
...  
Keyword(s):  
Hydrothermal Method ◽  
Hydrogen Evolution ◽  
Noble Metal ◽  
Au Nanoparticles ◽  
One Pot ◽  
Hole Transfer ◽  
Photocatalytic Hydrogen Evolution ◽  
Semiconductor Junction ◽  
Electron Transportation

An innovative CdS/ZnS-RGO hybrid is synthesizedviaan one-pot hydrothermal method. The further introduction of Au nanoparticles enables the composite with the merits of heterostructured semiconductor/semiconductor junction benefiting the hole transfer, as well as graphene and noble metal favorable for electron transportation.

Highly active and stable layered ternary transition metal chalcogenide for hydrogen evolution reaction

Nano Energy ◽  
2016 ◽  
Vol 28 ◽  
pp. 366-372 ◽  
Author(s):  
Anand P. Tiwari ◽  
Doyoung Kim ◽  
Yongshin Kim ◽  
Om Prakash ◽  
Hyoyoung Lee
Keyword(s):  
Transition Metal ◽  
Hydrogen Evolution ◽  
Hydrogen Evolution Reaction ◽  
Metal Chalcogenide ◽  
Highly Active

Mechanistic aspects of ligand exchange in Au nanoparticles

2008 ◽  
Vol 10 (33) ◽  
pp. 5029 ◽  
Author(s):  
A. Caragheorgheopol ◽  
V. Chechik
Keyword(s):  
Ligand Exchange ◽  
Au Nanoparticles

Plasmonic Au nanoparticles embedding enhances the activity and stability of CdS for photocatalytic hydrogen evolution

2016 ◽  
Vol 52 (11) ◽  
pp. 2394-2397 ◽  
Author(s):  
Guiyang Yu ◽  
Xiang Wang ◽  
Jungang Cao ◽  
Shujie Wu ◽  
Wenfu Yan ◽  
...  
Keyword(s):  
Visible Light ◽  
Full Advantage ◽  
High Activity ◽  
Hydrogen Evolution ◽  
Electromagnetic Fields ◽  
Composite Structure ◽  
Au Nanoparticles ◽  
Light Illumination ◽  
Photocatalytic Hydrogen Evolution ◽  
Visible Light Illumination

A semiconductor fabricated by embedding plasmonic Au nanoparticles into CdS exhibits a high activity and stability for photocatalytic H2evolution. This composite structure could take full advantage of electromagnetic fields at the surface of the Au nanoparticles under visible light illumination.

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