3D Burr-like Pt nanoparticles as co-catalyst decorated on TiO2 nanotubes: an effective hydrogen production photoanode with enhanced photoelectrochemical performance

2021 ◽  
Author(s):  
Kehan Wang ◽  
Ruimin Yu ◽  
Lei Wang ◽  
Shuxia Guan ◽  
Lei Ji
Keyword(s):  
Hydrogen Production ◽  
Tio2 Nanotubes ◽  
Pt Nanoparticles ◽  
Photoelectrochemical Performance ◽  
Co Catalyst ◽  
Effective Hydrogen

scholarly journals Green Synthesis of Feather-Shaped MoS2/CdS Photocatalyst for Effective Hydrogen Production

2013 ◽  
Vol 2013 ◽  
pp. 1-5 ◽  
Author(s):  
Yang Liu ◽  
Hongtao Yu ◽  
Xie Quan ◽  
Shuo Chen
Keyword(s):  
Electron Microscopy ◽  
Hydrogen Production ◽  
Photoelectron Spectroscopy ◽  
Diffuse Reflectance ◽  
Sulfur Source ◽  
X Ray ◽  
Transmission Electron ◽  
Microscopy Images ◽  
Effective Hydrogen ◽  
Better Than

MoS2/CdS photocatalyst was fabricated by a hydrothermal method for H2production under visible light. This method used low toxic thiourea as a sulfur source and was carried out at 200°C. Thus, it was better than the traditional methods, which are based on an annealing process at relatively high temperature (above 400°C) using toxic H2S as reducing agent. Scanning electron microscopy and transmission electron microscopy images showed that the morphologies of MoS2/CdS samples were feather shaped and MoS2layer was on the surface of CdS. The X-ray photoelectron spectroscopy testified that the sample was composed of stoichiometric MoS2and CdS. The UV-vis diffuse reflectance spectra displayed that the loading of MoS2can enhance the optical absorption of MoS2/CdS. The photocatalytic activity of MoS2/CdS was evaluated by producing hydrogen. The hydrogen production rate on MoS2/CdS reached 192 μmol·h−1. This performance was stable during three repeated photocatalytic processes.

scholarly journals “Suspended” Pt nanoparticles over TiO2 nanotubes for enhanced photocatalytic H2 evolution

2014 ◽  
Vol 50 (68) ◽  
pp. 9653-9656 ◽  
Author(s):  
Nhat Truong Nguyen ◽  
JeongEun Yoo ◽  
Marco Altomare ◽  
Patrik Schmuki
Keyword(s):  
Tio2 Nanotubes ◽  
Pt Nanoparticles ◽  
H2 Evolution ◽  
Photocatalytic H2 Evolution

In the present work we introduce a technique to form a photocatalyst based on minimal amounts of Pt nanoparticles suspended over the mouth of anodic TiO2 nanotubes.

Effective hydrogen production from propane steam reforming using M/NiO/YSZ catalysts (M = Ru, Rh, Pd, and Ag)

2018 ◽  
Vol 303 ◽  
pp. 168-176 ◽  
Author(s):  
Younghwan Im ◽  
Jae Hyung Lee ◽  
Byeong Sub Kwak ◽  
Jeong Yeon Do ◽  
Misook Kang
Keyword(s):  
Hydrogen Production ◽  
Steam Reforming ◽  
Effective Hydrogen

scholarly journals Ag–Au Core–Shell Triangular Nanoprisms for Improving p-g-C3N4 Photocatalytic Hydrogen Production

Nanomaterials ◽  
2021 ◽  
Vol 11 (12) ◽  
pp. 3347
Author(s):  
Yali Guo ◽  
Anzhou Xu ◽  
Juan Hou ◽  
Qingcui Liu ◽  
Hailong Li ◽  
...  
Keyword(s):  
Hydrogen Production ◽  
Self Assembly ◽  
Rational Design ◽  
Photogenerated Electron ◽  
Core Shell ◽  
Co Catalyst ◽  
Replacement Method ◽  
Assembly Method ◽  
Free Replacement ◽  
Electron Holes

Ag–Au core–shell triangular nanoprisms (Ag@Au TNPs) have aroused extensive research interest in the field of hydrogen evolution reaction (HER) due to their strong plasmon effect and stability. Here, Ag@Au TNPs were fabricated by the galvanic-free replacement method. Then, we loaded them on protonated g-C3N4 nanoprisms (P–CN) by the electrostatic self-assembly method as an efficient plasmonic photocatalyst for HER. The hydrogen production rate of Ag@Au TNPs/P–CN (4.52 mmol/g/h) is 4.1 times higher than that of P–CN (1.11 mmol/g/h) under simulated sunlight irradiation, making it the most competitive material for water splitting. The formed Schottky junction helps to trap the hot electrons generated from Ag@Au TNPs, and the well-preserved tips of the Ag@Au TNPs can effectively generate an electromagnetic field to inhibit the photogenerated electron–holes pairs recombination. This study suggests that the rational design of Ag@Au TNPs by the galvanic-free replacement method is an effective co-catalyst for HER and boosting the additional combination of plasmonic metals and catalyst metals for the enhancement to HER.

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