Construction of Defect-Engineered Three-Dimensionally Ordered Macroporous WO3 for Efficient Photocatalytic Water Oxidation Reaction

2021 ◽  
Author(s):  
Yating Wang ◽  
Chaosheng Peng ◽  
Tao Jiang ◽  
Jing Zhang ◽  
Zheng Jiang ◽  
...  
Keyword(s):  
Photonic Crystals ◽  
Water Oxidation ◽  
Charge Separation ◽  
Oxidation Reaction ◽  
Separation Efficiency ◽  
Colloidal Crystal ◽  
Template Method ◽  
Charge Separation Efficiency ◽  
Colloidal Crystal Template ◽  
Ordered Macroporous

To improve solar light harvesting and charge separation efficiency, we develop a facile strategy for synthesizing defect-engineered three-dimensionally ordered macroporous (3DOM) WO3 photonic crystals via colloidal crystal template method and...

Rational design of light induced self healed Fe based oxygen vacancy rich CeO2 (CeO2NS–FeOOH/Fe2O3) nanostructure materials for photocatalytic water oxidation and Cr(vi) reduction

2018 ◽  
Vol 6 (24) ◽  
pp. 11377-11389 ◽  
Author(s):  
S. Sultana ◽  
S. Mansingh ◽  
K. M. Parida
Keyword(s):  
Oxygen Vacancy ◽  
Visible Light ◽  
Water Oxidation ◽  
Charge Separation ◽  
Rational Design ◽  
Separation Efficiency ◽  
Nanostructure Materials ◽  
Charge Separation Efficiency ◽  
Uv Visible

Self regenerating oxygen vacancy rich CeO2NS–FeOOH/Fe2O3 hybrids are optimized and show superior charge separation efficiency both in visible and UV-visible light.

Discovering a selective semimetal element to increase hematite photoanode charge separation efficiency

2019 ◽  
Vol 7 (28) ◽  
pp. 16992-16998 ◽  
Author(s):  
André Esteves Nogueira ◽  
Mario Rodrigo Santos Soares ◽  
João Batista Souza Junior ◽  
Carlos Alberto Ospina Ramirez ◽  
Flavio Leandro Souza ◽  
...  
Keyword(s):  
Water Oxidation ◽  
Charge Separation ◽  
Separation Efficiency ◽  
Deposition Process ◽  
Colloidal Deposition ◽  
Charge Separation Efficiency

A colloidal deposition process combined with the thermal spreading ability of Sb over hematite surface is used to obtain a mesoporous photoanode for water oxidation.

A facile one-step synthesis of three-dimensionally ordered macroporous N-doped TiO2 with ethanediamine as the nitrogen source

2014 ◽  
Vol 2 (37) ◽  
pp. 15611-15619 ◽  
Author(s):  
Ting Wang ◽  
Xiaoqing Yan ◽  
Shishun Zhao ◽  
Bo Lin ◽  
Chao Xue ◽  
...  
Keyword(s):  
Photocatalytic Activity ◽  
Visible Light ◽  
Visible Light Irradiation ◽  
Colloidal Crystal ◽  
Template Method ◽  
Macroporous Structure ◽  
Excellent Photocatalytic Activity ◽  
One Step ◽  
Colloidal Crystal Template ◽  
Ordered Macroporous

N-doped TiO2 with a three-dimensionally ordered macroporous structure was fabricated by a one-step colloidal crystal-template method, which showed excellent photocatalytic activity under visible-light irradiation.

Carbon quantum dot sensitized integrated Fe2O3@g-C3N4 core–shell nanoarray photoanode towards highly efficient water oxidation

2018 ◽  
Vol 6 (21) ◽  
pp. 9839-9845 ◽  
Author(s):  
Sha-Sha Yi ◽  
Jun-Min Yan ◽  
Qing Jiang
Keyword(s):  
Quantum Dot ◽  
Water Oxidation ◽  
Charge Separation ◽  
Separation Efficiency ◽  
Core Shell ◽  
High Catalytic Activity ◽  
Carbon Quantum Dot ◽  
Efficient Charge ◽  
Oxidation Performance ◽  
Charge Separation Efficiency

The carbon quantum dot (CQD) sensitized integrated Ti:Fe2O3@g-C3N4 core–shell nanoarrays demonstrate superior PEC water oxidation performance which can be ascribed to efficient charge separation efficiency derived from the well-confined heterojunction structure together with the high catalytic activity of the CQDs for H2O2 decomposition.

Modulating Charge Separation Efficiency of Water Oxidation Photoanodes with Polyelectrolyte‐Assembled Interfacial Dipole Layers

2019 ◽  
Vol 30 (10) ◽  
pp. 1908492 ◽  
Author(s):  
Sanghyun Bae ◽  
Dongseok Kim ◽  
Hyunwoo Kim ◽  
Minsu Gu ◽  
Jungki Ryu ◽  
...  
Keyword(s):  
Water Oxidation ◽  
Charge Separation ◽  
Separation Efficiency ◽  
Charge Separation Efficiency

Highly-oriented Fe2O3/ZnFe2O4 nanocolumnar heterojunction with improved charge separation for photoelectrochemical water oxidation

2016 ◽  
Vol 52 (58) ◽  
pp. 9013-9015 ◽  
Author(s):  
Zhibin Luo ◽  
Chengcheng Li ◽  
Dong Zhang ◽  
Tuo Wang ◽  
Jinlong Gong
Keyword(s):  
Water Oxidation ◽  
Charge Separation ◽  
Separation Efficiency ◽  
Charge Separation Efficiency ◽  
Photoelectrochemical Water Oxidation

A highly-oriented Fe2O3/ZnFe2O4 heterojunction photoanode with well-defined morphology is featured for improving charge separation efficiency.

Construction of an efficient hole migration pathway on hematite for efficient photoelectrochemical water oxidation

2018 ◽  
Vol 6 (46) ◽  
pp. 23478-23485 ◽  
Author(s):  
Feng Li ◽  
Jing Li ◽  
Lili Gao ◽  
Yiping Hu ◽  
Xuefeng Long ◽  
...  
Keyword(s):  
Water Oxidation ◽  
Charge Separation ◽  
Separation Efficiency ◽  
Migration Pathway ◽  
Charge Separation Efficiency ◽  
Hole Migration ◽  
Photoelectrochemical Water Oxidation

In this study, we constructed an efficient hole migration pathway by integrating ultrathin amorphous NiOOH onto the Fe2O3 coating on F doped α-Fe2O3 nanorods. The resulting photoanode presents higher charge separation efficiency than most reported hematite-based photoanode.

Three-dimensionally ordered macroporous Sn4+-doped TiO2 with anatase–rutile mixed phase via Pt loading by photoreduction method: enhanced photodegradation and hydrogen production performance

2018 ◽  
Vol 42 (18) ◽  
pp. 15190-15199 ◽  
Author(s):  
Qianlong Zhou ◽  
Li Li ◽  
Yuying Xin ◽  
Dongxue Liu ◽  
Xinyue Zhang
Keyword(s):  
Photocatalytic Activity ◽  
Hydrogen Production ◽  
Water Splitting ◽  
Colloidal Crystal ◽  
Mixed Phase ◽  
Production Performance ◽  
Template Method ◽  
Doped Tio2 ◽  
Colloidal Crystal Template ◽  
Ordered Macroporous

3DOM Pt/Sn–TiO2 with anatase–rutile mixed phase was successfully prepared by the colloidal crystal template method and the photoreduction method. A series of photocatalytic experiments showed that 3DOM Pt/Sn–TiO2 exhibited significant photocatalytic activity in photodegradation and water splitting.

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