Size Effect of Pt Nanoparticles Deposited By Plasma-Enhanced Atomic Layer Deposition on the Electrocatalytic Activity Toward the Methanol Oxidation Reaction

2014 ◽  
Keyword(s):  
Atomic Layer Deposition ◽  
Size Effect ◽  
Methanol Oxidation ◽  
Electrocatalytic Activity ◽  
Oxidation Reaction ◽  
Pt Nanoparticles ◽  
Atomic Layer ◽  
Methanol Oxidation Reaction ◽  
Layer Deposition

Self-terminated electrodeposition of iridium electrocatalysts

2015 ◽  
Vol 8 (12) ◽  
pp. 3557-3562 ◽  
Author(s):  
Sang Hyun Ahn ◽  
Haiyan Tan ◽  
Mareike Haensch ◽  
Yihua Liu ◽  
Leonid A. Bendersky ◽  
...  
Keyword(s):  
Hydrogen Production ◽  
Atomic Layer Deposition ◽  
Oxygen Evolution ◽  
Oxygen Evolution Reaction ◽  
Electrocatalytic Activity ◽  
Oxidation Reaction ◽  
Atomic Layer ◽  
Deposition Process ◽  
Atomic Layer Deposition Process ◽  
Layer Deposition

This study details a “wet” atomic layer deposition process that uses potential modulation and H adsorption to terminate Ir deposition at high deposition overpotentials. The ultrathin Ir films match or exceed the best reported electrocatalytic activity for the oxygen evolution reaction (OER) and hydrogen production and oxidation reaction (HER and HOR) on bulk Ir electrodes.

Enriched nucleation sites for Pt deposition on ultrathin WO3nanosheets with unique interactions for methanol oxidation

2018 ◽  
Vol 6 (45) ◽  
pp. 23028-23033 ◽  
Author(s):  
Yiqiong Zhang ◽  
Yongliang Shi ◽  
Ru Chen ◽  
Li Tao ◽  
Chao Xie ◽  
...  
Keyword(s):  
Surface Roughness ◽  
Methanol Oxidation ◽  
Electrocatalytic Activity ◽  
Oxidation Reaction ◽  
Oxygen Vacancies ◽  
Pt Nanoparticles ◽  
Methanol Oxidation Reaction ◽  
Nucleation Sites ◽  
Ar Plasma ◽  
Enhanced Surface

We have successfully prepared ultrathin WO3nanosheets with enriched oxygen vacancies and enhanced surface roughness by Ar plasma exfoliation. Owing to the unique interactions, the Pt nanoparticles supported on defective WO3show significantly enhanced electrocatalytic activity for the methanol oxidation reaction.

scholarly journals Scalable nanoporous carbon films allow line-of-sight 3D atomic layer deposition of Pt: towards a new generation catalyst layer for PEM fuel cells

2021 ◽  
Author(s):  
Marwa Atwa ◽  
Xiaoan Li ◽  
Zhaoxuan Wang ◽  
Samuel Dull ◽  
Shicheng Xu ◽  
...  
Keyword(s):  
Atomic Layer Deposition ◽  
Pt Nanoparticles ◽  
Catalyst Layer ◽  
Atomic Layer ◽  
Pem Fuel Cells ◽  
Nanoporous Carbon ◽  
Carbon Films ◽  
Layer Deposition ◽  
Binder Free ◽  
New Generation

A self-supported, binder-free and scalable nanoporous carbon scaffold serves as an excellent host for the efficient and uniform atomic layer deposition of Pt nanoparticles, showing exemplary performance as a cathode catalyst layer in a PEM fuel cell.

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