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.

Hierarchical Z-scheme Fe2O3@ZnIn2S4 core–shell heterostructures with enhanced adsorption capacity enabling significantly improved photocatalytic CO2 reduction

CrystEngComm ◽  
2020 ◽  
Vol 22 (47) ◽  
pp. 8221-8227
Author(s):  
Zihan Zhao ◽  
Chuanxin Shi ◽  
Qi Shen ◽  
Wenjuan Li ◽  
Dandan Men ◽  
...  
Keyword(s):  
Adsorption Capacity ◽  
Charge Separation ◽  
Separation Efficiency ◽  
Co2 Reduction ◽  
Core Shell ◽  
Adsorption Ability ◽  
Molecule Adsorption ◽  
Efficient Charge ◽  
Charge Separation Efficiency ◽  
Enhanced Adsorption

The challenge of sunlight-driven CO2 reduction is to achieve efficient photocatalysts with exceptional molecule adsorption ability and efficient charge-separation efficiency.

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.

Spatially separated cocatalysts for efficient charge separation: a hollow Pt/CdS/N–ZnO/CoOx graphene microtubule with high stability for photocatalytic reactions and sustainable recycling

2019 ◽  
Vol 9 (24) ◽  
pp. 6899-6908 ◽  
Author(s):  
Yong Liang ◽  
Yuexing Chen ◽  
Maojun Zhao ◽  
Li Lin ◽  
Rongtao Duan ◽  
...  
Keyword(s):  
Hydrothermal Method ◽  
Charge Separation ◽  
High Stability ◽  
Photocatalytic Oxidation ◽  
Separation Efficiency ◽  
Capillary Action ◽  
Efficient Charge ◽  
Charge Separation Efficiency ◽  
Photocatalytic Reactions

The spatially separated Pt/CdS/N–ZnO/CoOx graphene microtubule (PCNZCo-GM) with double cocatalysts is prepared by a capillary action assisted hydrothermal method for enhancing charge separation efficiency and photocatalytic oxidation ability.

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.

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...

Carbon Quantum Dot/TiO2 Nanohybrids: Efficient Photocatalysts for Hydrogen Generation via Intimate Contact and Efficient Charge Separation

2019 ◽  
Vol 2 (2) ◽  
pp. 1027-1032 ◽  
Author(s):  
Yulu Zhou ◽  
Sizhuo Yang ◽  
Donghua Fan ◽  
Jake Reilly ◽  
Hongwei Zhang ◽  
...  
Keyword(s):  
Quantum Dot ◽  
Charge Separation ◽  
Hydrogen Generation ◽  
Intimate Contact ◽  
Carbon Quantum Dot ◽  
Efficient Charge

Designed C3N4/CdS–CdWO4 core–shell heterostructure with excellent photocatalytic activity

2017 ◽  
Vol 41 (3) ◽  
pp. 1028-1036 ◽  
Author(s):  
Qizhao Wang ◽  
Yanbiao Shi ◽  
Yang Sun ◽  
Houde She ◽  
Jie Yu ◽  
...  
Keyword(s):  
Photocatalytic Activity ◽  
Electric Field ◽  
Charge Separation ◽  
Separation Efficiency ◽  
Core Shell ◽  
Excellent Photocatalytic Activity ◽  
Charge Separation Efficiency

Charge separation efficiency is improved by the enhanced built-in photogenerated electric field.

Sign in / Sign up

Export Citation Format

Share Document