Insights into the multiple effects of oxygen vacancies on CuWO4 for photoelectrochemical water oxidation

2020 ◽  
Vol 10 (21) ◽  
pp. 7344-7351
Author(s):  
Wenlong Guo ◽  
Ya Wang ◽  
Xin Lian ◽  
Yao Nie ◽  
Shijia Tian ◽  
...  
Keyword(s):  
Electron Transfer ◽  
Water Oxidation ◽  
Oxidation Kinetics ◽  
Oxygen Vacancies ◽  
Charge Recombination ◽  
Transfer Time ◽  
Photoelectrochemical Water Oxidation

For CuWO4, oxygen vacancies can shorten the electron transfer time and boost the water oxidation kinetics, but they aggravate the charge recombination on the surface.

Boosting the efficiency of water oxidation via surface states on hematite photoanodes by incorporating Bi3+ ions

2020 ◽  
Vol 4 (8) ◽  
pp. 4207-4218
Author(s):  
Abdul Zeeshan Khan ◽  
Tarek A. Kandiel ◽  
Safwat Abdel-Azeim ◽  
Khalid Alhooshani
Keyword(s):  
Crystal Structure ◽  
Water Oxidation ◽  
Oxidation Kinetics ◽  
Oxygen Vacancies ◽  
Surface States ◽  
The Creation ◽  
Photoelectrochemical Water Oxidation

The incorporation of Bi3+ ions into the hematite crystal structure induces the creation of oxygen vacancies and boosts the photoelectrochemical water oxidation kinetics.

Two photon tandem photoanode with black phosphorous quantum dot sensitized BiVO4 for solar water splitting

2022 ◽  
Author(s):  
Bingjun Jin ◽  
Yoonjun Cho ◽  
Cheolwoo Park ◽  
Jeehun Jeong ◽  
Sungsoon Kim ◽  
...  
Keyword(s):  
Quantum Dot ◽  
Water Splitting ◽  
Water Oxidation ◽  
Oxidation Kinetics ◽  
Light Harvesting ◽  
Charge Recombination ◽  
Solar Water ◽  
Two Photon ◽  
Solar Water Splitting ◽  
Pec Water Splitting

The photoelectrochemical (PEC) water splitting efficiency is profoundly restricted by the limited light harvesting, rapid charge recombination, and sluggish water oxidation kinetics, in which the construction of a photoelectrode requires...

Room temperature plasma enriching oxygen vacancies of WO3 nanoflakes for photoelectrochemical water oxidation

2020 ◽  
Vol 816 ◽  
pp. 152610 ◽  
Author(s):  
Qiling Li ◽  
Shuo Li ◽  
Omar Ajouyed ◽  
Chen Chen ◽  
Yangyang Zhou ◽  
...  
Keyword(s):  
Water Oxidation ◽  
Room Temperature ◽  
Oxygen Vacancies ◽  
Temperature Plasma ◽  
Photoelectrochemical Water Oxidation

Direct electron transfer from photosystem II to hematite in a hybrid photoelectrochemical cell

2015 ◽  
Vol 51 (95) ◽  
pp. 16952-16955 ◽  
Author(s):  
Wangyin Wang ◽  
Zhiliang Wang ◽  
Qingjun Zhu ◽  
Guangye Han ◽  
Chunmei Ding ◽  
...  
Keyword(s):  
Electron Transfer ◽  
Photosystem Ii ◽  
Water Oxidation ◽  
Direct Electron Transfer ◽  
Photoelectrochemical Cell ◽  
Photoelectrochemical Water Oxidation

A hybrid photoanode integrating photosystem II with a hematite film is constructed for photoelectrochemical water oxidation.

Modulating oxygen vacancies in Sn-doped hematite film grown on silicon microwires for photoelectrochemical water oxidation

2018 ◽  
Vol 6 (32) ◽  
pp. 15593-15602 ◽  
Author(s):  
Zhongyuan Zhou ◽  
Shaolong Wu ◽  
Linling Qin ◽  
Liang Li ◽  
Liujing Li ◽  
...  
Keyword(s):  
Absorption Spectrum ◽  
Water Splitting ◽  
Water Oxidation ◽  
Oxygen Vacancies ◽  
Solar Water ◽  
Solar Water Splitting ◽  
Silicon Microwires ◽  
Photoelectrochemical Water Oxidation

Dual-absorber photoelectrodes are attractive candidates for solar water splitting due to their broadened absorption spectrum and improved photovoltage compared to single-absorber systems.

-Fe2O3/Ag/CdS ternary heterojunction photoanode for efficient solar water oxidation

2021 ◽  
Author(s):  
Yiqing Wei ◽  
Huichao He ◽  
Chang Liu ◽  
Liuqing Yang ◽  
Xiaoyong Wang ◽  
...  
Keyword(s):  
Water Oxidation ◽  
Oxidation Kinetics ◽  
Charge Recombination ◽  
Cds Nanoparticles ◽  
High Charge ◽  
Solar Water ◽  
Oxidation Performance ◽  
Solar Water Oxidation

The photoelectrochemical (PEC) water oxidation performance of -Fe2O3 photoanode is jointly restricted by its high charge recombination and sluggish water oxidation kinetics. Herein, through coupling Ag and CdS nanoparticles with...

Improved photoelectrochemical water oxidation kinetics using a TiO2 nanorod array photoanode decorated with graphene oxide in a neutral pH solution

2015 ◽  
Vol 17 (12) ◽  
pp. 7714-7719 ◽  
Author(s):  
Sang Youn Chae ◽  
Pitchaimuthu Sudhagar ◽  
Akira Fujishima ◽  
Yun Jeong Hwang ◽  
Oh-Shim Joo
Keyword(s):  
Graphene Oxide ◽  
Water Splitting ◽  
Water Oxidation ◽  
Oxidation Kinetics ◽  
Oxide Coating ◽  
Nanorod Array ◽  
Tio2 Nanorod ◽  
Neutral Ph ◽  
Tio2 Nanorod Array ◽  
Photoelectrochemical Water Oxidation

Opposite contributions of graphene oxide are obtained in TiO2 nanorod array photoanodes, in electrolytes of varying pH, for the water splitting application. The photocurrent of TiO2 photoanode is improved, after graphene oxide coating, in a neutral pH electrolyte, while it decreases in a basic electrolyte.

scholarly journals Cobalt doped BiVO4 with rich oxygen vacancies for efficient photoelectrochemical water oxidation

RSC Advances ◽  
2020 ◽  
Vol 10 (48) ◽  
pp. 28523-28526 ◽  
Author(s):  
Guoquan Liu ◽  
Fei Li ◽  
Yong Zhu ◽  
Jiayuan Li ◽  
Licheng Sun
Keyword(s):  
Thin Films ◽  
Water Oxidation ◽  
Oxygen Vacancies ◽  
Electrodeposition Method ◽  
Photoelectrochemical Water Oxidation

A facile electrodeposition method was developed to prepare Co-BiVO4 thin films with rich oxygen vacancies.

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