A high-efficiency and stable cupric oxide photocathode coupled with Al surface plasmon resonance and Al2O3 self-passivation

2019 ◽  
Vol 55 (100) ◽  
pp. 15093-15096 ◽  
Author(s):  
Haiyang Xing ◽  
Lei E ◽  
Dan Zhao ◽  
Xifei Li ◽  
Mengnan Ruan ◽  
...  
Keyword(s):  
Surface Plasmon Resonance ◽  
Magnetron Sputtering ◽  
Water Splitting ◽  
Surface Plasmon ◽  
Plasmon Resonance ◽  
High Efficiency ◽  
Cupric Oxide ◽  
Photoelectrochemical Water Splitting ◽  
Oxidation Method ◽  
Spontaneous Oxidation

A high-efficiency and stable CuO/Al/Al2O3 photocathode for photoelectrochemical water splitting has been successfully synthesized by a facile magnetron sputtering combined with spontaneous oxidation method.

scholarly journals Enhancing Photocurrent Performance Based on Photoanode Thickness and Surface Plasmon Resonance Using Ag-TiO2 Nanocomposites in Dye-Sensitized Solar Cells

Materials ◽  
2019 ◽  
Vol 12 (13) ◽  
pp. 2111 ◽  
Author(s):  
Muhammad Quisar Lokman ◽  
Suhaidi Shafie ◽  
Suraya Shaban ◽  
Fauzan Ahmad ◽  
Haslina Jaafar ◽  
...  
Keyword(s):  
Solar Cells ◽  
Surface Plasmon Resonance ◽  
Surface Plasmon ◽  
Plasmon Resonance ◽  
High Efficiency ◽  
Dye Sensitized Solar Cells ◽  
Tio2 Powder ◽  
Scotch Tape ◽  
Dye Sensitized ◽  
Sensitized Solar Cells

This study investigated the different thicknesses of TiO2 photoanode films and the effect of surface plasmon resonance (SPR) of Ag-TiO2 nanocomposites on the current-voltage (I–V) performance of dye-sensitized solar cells (DSSC). The TiO2 layer was deposited using the doctor blade technique and the thickness of the TiO2 films was controlled by using a different number of Scotch tape layers. The silver nanoparticles (AgNP) were synthesised using a chemical reduction method and the concentration of sodium citrate as a reducing agent was varied from 4 to 12 mM to study the effect of citrate ion on the size of the nanoparticles. Ag-TiO2 nanopowder was prepared by adding pure anatase TiO2 powder into AgNP colloidal solution. The mixture was left to dry for 24 h to obtain Ag-TiO2 powder for paste preparation. The three-layer Scotch tape, with thickness of 14.38 µm, achieved a high efficiency of 4.14%. This results showed that three layers was the optimal thickness to improve dye loading and to reduce the charge recombination rate. As for the Ag-TiO2 nanocomposites, 10 mM of AgNP, with a mean diameter of 65.23 nm and high efficiency of 6.92%, proved that SPR can enhance the absorption capability of dye and improve the photon-to-electron generation.

Photocatalytic Water Splitting over Ag/TiO2 Nano-Wire Films

2014 ◽  
Vol 665 ◽  
pp. 288-291 ◽  
Author(s):  
Yang Hu ◽  
Chao Pan ◽  
Cai Xia Gao ◽  
Jun Fan ◽  
En Zhou Liu
Keyword(s):  
Surface Plasmon Resonance ◽  
Water Splitting ◽  
Surface Plasmon ◽  
Plasmon Resonance ◽  
Ag Nanoparticles ◽  
Chemical Reduction ◽  
Reduction Process ◽  
Resonance Absorption ◽  
Absorption Properties ◽  
Surface Plasmon Resonance Absorption

Plasmonic Ag decorated TiO2 nano-wire film was firstly prepared by the combination of a hydrothermal method and a microwave-assisted chemical reduction process. The results show that Ag deposited TiO2 film exhibits obvious visible light absorption due to surface plasmon resonance absorption of Ag nanoparticles. Besides, fluorescence quenching is observed in the composite film under the excitation of 250 nm. Photocatalytic tests show that Ag deposited TiO2 exhibits enhanced photocatalytic activity for H2 production by water splitting due to the synergistic effect between charge transfer and surface plasmon resonance absorption properties of Ag nanoparticles.

Sign in / Sign up

Export Citation Format

Share Document