Type-II/type-II band alignment to boost spatial charge separation: a case study of g-C3N4 quantum dots/a-TiO2/r-TiO2 for highly efficient photocatalytic hydrogen and oxygen evolution

Nanoscale ◽  
2020 ◽  
Vol 12 (10) ◽  
pp. 6037-6046 ◽  
Author(s):  
Bing-Xin Zhou ◽  
Shuang-Shuang Ding ◽  
Yan Wang ◽  
Xiao-Rui Wang ◽  
Wei-Qing Huang ◽  
...  
Keyword(s):  
Quantum Dots ◽  
Water Splitting ◽  
Oxygen Evolution ◽  
Charge Separation ◽  
Band Alignment ◽  
Type Ii ◽  
Photocatalytic Water Splitting ◽  
Highly Efficient ◽  
Spatial Charge

Ti–N covalently bridged 0D/0D QCN/a-TiO2/r-TiO2 T-II/T-II heterojunctions for enhanced photocatalytic water splitting.

Enhancing charge separation on high symmetry SrTiO3exposed with anisotropic facets for photocatalytic water splitting

2016 ◽  
Vol 9 (7) ◽  
pp. 2463-2469 ◽  
Author(s):  
Linchao Mu ◽  
Yue Zhao ◽  
Ailong Li ◽  
Shengyang Wang ◽  
Zhiliang Wang ◽  
...  
Keyword(s):  
Water Splitting ◽  
Charge Separation ◽  
High Symmetry ◽  
Photocatalytic Water Splitting ◽  
Highly Efficient ◽  
Overall Water Splitting ◽  
Spatial Charge

Spatial charge separation achieved on the anisotropic facets of high symmetry SrTiO3nanocrystals for highly efficient photocatalytic overall water splitting.

Efficient spatial charge separation and transfer in ultrathin g-C3N4 nanosheets modified with Cu2MoS4 as a noble metal-free co-catalyst for superior visible light-driven photocatalytic water splitting

2018 ◽  
Vol 8 (15) ◽  
pp. 3883-3893 ◽  
Author(s):  
Yajun Zou ◽  
Jian-Wen Shi ◽  
Dandan Ma ◽  
Zhaoyang Fan ◽  
Chi He ◽  
...  
Keyword(s):  
Visible Light ◽  
Water Splitting ◽  
Noble Metal ◽  
Charge Separation ◽  
Co Catalyst ◽  
Photocatalytic Water Splitting ◽  
Metal Free ◽  
Highly Efficient ◽  
Spatial Charge ◽  
Visible Light Driven

Cu2MoS4 was employed as a promising non-noble metal co-catalyst to couple with g-C3N4 for highly efficient water splitting.

Versatile two-dimensional silicon diphosphide (SiP2) for photocatalytic water splitting

Nanoscale ◽  
2018 ◽  
Vol 10 (14) ◽  
pp. 6369-6374 ◽  
Author(s):  
Sri Kasi Matta ◽  
Chunmei Zhang ◽  
Yalong Jiao ◽  
Anthony O'Mullane ◽  
Aijun Du
Keyword(s):  
Water Splitting ◽  
Light Absorption ◽  
Band Alignment ◽  
Two Dimensional ◽  
Photocatalytic Water Splitting ◽  
Highly Efficient

Two-dimensional (2D) photocatalysts with excellent light absorption and favorable band alignment are critical for highly-efficient water splitting.

Coupling NiCo catalysts with carbon quantum dots on hematite photoanodes for highly efficient oxygen evolution

2022 ◽  
Author(s):  
Yingpu Bi ◽  
Bin zhao ◽  
Chenchen Feng ◽  
Xiaojuan Huang ◽  
Yong Ding
Keyword(s):  
Quantum Dots ◽  
Water Splitting ◽  
Oxygen Evolution ◽  
Carbon Quantum Dots ◽  
Hole Transfer ◽  
Highly Efficient ◽  
Pec Water Splitting

Highly efficient hole transfer from photoanodes to oxygen evolution catalysts is crucial for solar photoelectrochemical (PEC) water splitting. Herein, we demonstrated the coupling of NiCo catalysts with carbon quantum dots...

Boosting photocatalytic water splitting by tuning built-in electric field at phase junction

2019 ◽  
Vol 7 (17) ◽  
pp. 10264-10272 ◽  
Author(s):  
Jing Zhang ◽  
Xuebing Chen ◽  
Yu Bai ◽  
Chun Li ◽  
Ying Gao ◽  
...  
Keyword(s):  
Electric Field ◽  
Water Splitting ◽  
Charge Separation ◽  
Driving Force ◽  
Photocatalytic Water Splitting ◽  
Spatial Charge

Constructing a built-in electric field at the interface of semiconductors has been demonstrated to provide the driving force for spatial charge separation in photocatalysis.

Highly-efficient heterojunction solar cells based on two-dimensional tellurene and transition metal dichalcogenides

2019 ◽  
Vol 7 (13) ◽  
pp. 7430-7436 ◽  
Author(s):  
Kai Wu ◽  
Huanhuan Ma ◽  
Yunzhi Gao ◽  
Wei Hu ◽  
Jinlong Yang
Keyword(s):  
Solar Cells ◽  
Transition Metal ◽  
Charge Separation ◽  
Transition Metal Dichalcogenides ◽  
Band Alignment ◽  
Type Ii ◽  
Two Dimensional ◽  
Heterojunction Solar Cells ◽  
Highly Efficient ◽  
Metal Dichalcogenides

Tellurene and TMDs show desirable type II band alignment for constructing highly-efficient heterojunction solar cells with strong charge separation and enhanced sunlight absorption.

A C2N/ZnSe heterostructure with type-II band alignment and excellent photocatalytic water splitting performance

2021 ◽  
Author(s):  
Yifan Rao ◽  
Fusheng Zhang ◽  
Bao Zhu ◽  
Hui Li ◽  
Kai Zheng ◽  
...  
Keyword(s):  
Binding Energy ◽  
Water Splitting ◽  
Light Absorption ◽  
Carrier Mobility ◽  
Band Alignment ◽  
Type Ii ◽  
Strong Light ◽  
Photocatalytic Water Splitting ◽  
High Carrier Mobility ◽  
High Carrier

A type-II C2N/ZnSe heterostructure with strong light-absorption ability, high carrier mobility and low exciton binding energy, exhibits excellent photocatalytic water splitting performance

C2N/BlueP van der Waals hetero-structure: an efficient photocatalytic water splitting 2D material

2020 ◽  
Vol 22 (3) ◽  
pp. 1485-1492 ◽  
Author(s):  
Hao Zhou ◽  
Weishan Cai ◽  
Jianwei Li ◽  
Xinyi Liu ◽  
Wen Xiong ◽  
...  
Keyword(s):  
Water Splitting ◽  
Van Der Waals ◽  
Type Ii ◽  
Hetero Structure ◽  
Photocatalytic Water Splitting ◽  
2D Material ◽  
Highly Efficient ◽  
Efficient Type

A highly efficient type-II 2D heterostructure for photocatalytic water splitting.

Co3O4−δ Quantum Dots As a Highly Efficient Oxygen Evolution Reaction Catalyst for Water Splitting

2017 ◽  
Vol 9 (19) ◽  
pp. 16159-16167 ◽  
Author(s):  
Guangxing Zhang ◽  
Jie Yang ◽  
Han Wang ◽  
Haibiao Chen ◽  
Jinlong Yang ◽  
...  
Keyword(s):  
Quantum Dots ◽  
Water Splitting ◽  
Oxygen Evolution ◽  
Oxygen Evolution Reaction ◽  
Highly Efficient
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