Spontaneous full photocatalytic water splitting on 2D MoSe2/SnSe2 and WSe2/SnSe2 vdW heterostructures

Nanoscale ◽  
2019 ◽  
Vol 11 (31) ◽  
pp. 14836-14843 ◽  
Author(s):  
Yingcai Fan ◽  
Junru Wang ◽  
Mingwen Zhao
Keyword(s):  
Energy Conversion ◽  
Water Splitting ◽  
Pure Water ◽  
Photocatalytic Water Splitting ◽  
Conversion Efficiencies

The heterostructures have the HER and OER in water-splitting taking place separately on the two components with the STH energy conversion efficiencies up to 10.5%. The Se-vacancy makes the two reactions occur spontaneously in pure water.

Two-dimensional (2D) MnIn2Se4 nanosheets with porous structure: a novel photocatalyst for water splitting without sacrificial agents

2019 ◽  
Vol 55 (100) ◽  
pp. 15061-15064 ◽  
Author(s):  
Hui Liang ◽  
Ting Feng ◽  
Shengda Tan ◽  
Kaili Zhao ◽  
Wei Wang ◽  
...  
Keyword(s):  
Porous Structure ◽  
Hydrothermal Method ◽  
Water Splitting ◽  
Pure Water ◽  
Intrinsic Property ◽  
Evolution Rate ◽  
Two Dimensional ◽  
Photocatalytic Water Splitting ◽  
Simple Hydrothermal Method ◽  
First Time

2D porous MnIn2Se4 nanosheets have been synthesized for the first time via a simple hydrothermal method. The intrinsic property of the hitherto unexplored MnIn2Se4 for photocatalytic water splitting was clearly studied, and the H2 evolution rate reached 35 μmol g−1 h−1 in pure water.

AA- and ABA-stacked carbon nitride (C3N4): novel photocatalytic water splitting solar-to-hydrogen energy conversion

2018 ◽  
Vol 20 (35) ◽  
pp. 22972-22979 ◽  
Author(s):  
A. H. Reshak
Keyword(s):  
Energy Conversion ◽  
Water Splitting ◽  
Carbon Nitride ◽  
Hydrogen Energy ◽  
Photocatalytic Water Splitting

We report the development of the C3N4 structure by integrating two different structures: (i) two identical layers as AA-stacked C3N4 and (ii) intercalating one different layer between two identical layers as ABA-stacked C3N4.

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