Електро-та фотокаталітичні властивості електродів на основі мезопористих плівок TiO2-ZnO-Ag
TiО2 and TiО2/ZnО(0.1-10 % ZnO) mesoporous films have been obtained by sol-gel method modified with silver nanoparticles. Direct photoelectrochemical investigations of the TiO2/Ag and TiО2/ZnО/Ag heterojunctions showed cathode shift of the flat-band potential position and increase in ph...
Saved in:
| Date: | 2008 |
|---|---|
| Main Authors: | , , , , , |
| Format: | Article |
| Language: | Russian |
| Published: |
Chuiko Institute of Surface Chemistry National Academy of Sciences of Ukraine
2008
|
| Online Access: | https://surfacezbir.com.ua/index.php/surface/article/view/295 |
| Tags: |
Add Tag
No Tags, Be the first to tag this record!
|
| Journal Title: | Surface |
| Download file: |  |
Institution
Surface| Summary: | TiО2 and TiО2/ZnО(0.1-10 % ZnO) mesoporous films have been obtained by sol-gel method modified with silver nanoparticles. Direct photoelectrochemical investigations of the TiO2/Ag and TiО2/ZnО/Ag heterojunctions showed cathode shift of the flat-band potential position and increase in photocurrent quantum yield in comparison with unmodified TiO2 electrodes. Experimental results indicate that TiO2 modification with Ag nanoparticles leads to the decrease on overvoltage in the process of oxygen electrochemical reduction and extends the potential range for the concentrations of soluted oxygen determination, improves photocatalytic activity in reaction of dichromate anion photoreduction according to energy position of conductivity zone. |
|---|