Co-catalyst-free large ZnO single crystal for high-efficiency piezocatalytic hydrogen evolution from pure water

2021 ◽  
Author(s):  
Biao Wang ◽  
Qian Zhang ◽  
Jiaqing He ◽  
Feng Huang ◽  
Caifu Li ◽  
...  
Keyword(s):  
Single Crystal ◽  
Hydrogen Evolution ◽  
High Efficiency ◽  
Pure Water ◽  
Co Catalyst ◽  
Catalyst Free ◽  
Zno Single Crystal

scholarly journals Mechanism for spontaneous oxygen and hydrogen evolution reactions on CoO nanoparticles

2019 ◽  
Vol 7 (12) ◽  
pp. 6708-6719 ◽  
Author(s):  
Kyoung-Won Park ◽  
Alexie M. Kolpak
Keyword(s):  
Hydrogen Evolution ◽  
Water Splitting ◽  
High Efficiency ◽  
Applied Bias ◽  
Co Catalyst ◽  
Photocatalytic Water Splitting ◽  
Overall Water Splitting ◽  
Nanoparticle Suspensions ◽  
Hydrogen Evolution Reactions ◽  
Coo Nanoparticles

Overall photocatalytic water splitting with a high efficiency has recently been observed for CoO nanoparticle suspensions in the absence of an applied bias or co-catalyst. This study clarifies the mechanism of spontaneous overall water splitting with the prominent efficiency observed on the CoO nanoparticle.

scholarly journals Robust direct Z-scheme exciton transfer dynamics by architecting 3D BiOI MF-supported non-stoichiometric Cu0.75In0.25S NC nanocomposite for co-catalyst-free photocatalytic hydrogen evolution

RSC Advances ◽  
2022 ◽  
Vol 12 (3) ◽  
pp. 1265-1277
Author(s):  
Deeptimayee Prusty ◽  
Sriram Mansingh ◽  
Lopamudra Acharya ◽  
Lekha Paramanik ◽  
K. M. Parida
Keyword(s):  
Charge Transfer ◽  
Hydrogen Evolution ◽  
Transfer Mechanism ◽  
Co Catalyst ◽  
Photocatalytic Hydrogen Evolution ◽  
Charge Transfer Mechanism ◽  
Catalyst Free ◽  
Exciton Transfer

Photon-assisted hydrogen evolution over a co-catalyst-free CIS–BOI composite abiding by the direct Z-scheme charge transfer mechanism.

An on-demand solar hydrogen-evolution system for unassisted high-efficiency pure-water splitting

2019 ◽  
Vol 7 (29) ◽  
pp. 17315-17323 ◽  
Author(s):  
Wei Che ◽  
Hui Su ◽  
Xu Zhao ◽  
Yuanli Li ◽  
Hui Zhang ◽  
...  
Keyword(s):  
Hydrogen Evolution ◽  
Water Splitting ◽  
Charge Separation ◽  
High Efficiency ◽  
Pure Water ◽  
Evolution System ◽  
Solar Hydrogen ◽  
On Demand ◽  
Surface Hydroxylation

A surface hydroxylation structure of g-C3N3.5(O0.5H0.5) photocatalyst was designed to concurrently increase the toxicity resistance and maximize the charge separation for H2 evolution.

scholarly journals Photocatalytic hydrogen evolution by co-catalyst-free TiO2/C bulk heterostructures synthesized under mild conditions

RSC Advances ◽  
2020 ◽  
Vol 10 (21) ◽  
pp. 12519-12534 ◽  
Author(s):  
Claudio Imparato ◽  
Giuseppina Iervolino ◽  
Marzia Fantauzzi ◽  
Can Koral ◽  
Wojciech Macyk ◽  
...  
Keyword(s):  
Visible Light ◽  
Hydrogen Evolution ◽  
Visible Light Irradiation ◽  
Light Irradiation ◽  
Co Catalyst ◽  
Photocatalytic Hydrogen Evolution ◽  
Mild Conditions ◽  
Catalyst Free

Defective TiO2/C bulk heterostructures exhibit visible light photoresponsivity and remarkable H2 evolution rates under both UV and visible light irradiation.

Heterojunction ZnWO4/ZnFe2O4 composites with concerted effects and integrated properties for enhanced photocatalytic hydrogen evolution

2018 ◽  
Vol 8 (4) ◽  
pp. 1083-1093 ◽  
Author(s):  
Naveen Kumar Veldurthi ◽  
Neerugatti KrishnaRao Eswar ◽  
Satyapaul A. Singh ◽  
Giridhar Madras
Keyword(s):  
Hydrogen Evolution ◽  
Precipitation Method ◽  
Co Catalyst ◽  
Photocatalytic Hydrogen Evolution ◽  
Catalyst Free ◽  
Co Precipitation

A novel co-catalyst free ZnWO4/ZnFe2O4 heterojunction composite was successfully synthesized using a facile co-precipitation method for photocatalytic H2 evolution.

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