Electronic structure manipulation of graphene dots for effective hydrogen evolution from photocatalytic water decomposition

Nanoscale ◽  
2018 ◽  
Vol 10 (22) ◽  
pp. 10721-10730 ◽  
Author(s):  
Ba-Son Nguyen ◽  
Yuan-Kai Xiao ◽  
Chun-Yan Shih ◽  
Van-Can Nguyen ◽  
Wei-Yang Chou ◽  
...  
Keyword(s):  
Electronic Structure ◽  
Graphene Oxide ◽  
High Activity ◽  
Hydrogen Evolution ◽  
Charge Separation ◽  
Water Decomposition ◽  
Photocatalytic Hydrogen Evolution ◽  
Effective Hydrogen

Sulfur–nitrogen-codoping introduces quaternary-N to graphene-oxide dots to facilitate π-conjugation and charge separation, engendering high activity in photocatalytic hydrogen evolution.

Electronic structure regulation of cobalt oxide clusters for promoting photocatalytic hydrogen evolution

2022 ◽  
Author(s):  
Guowei Yang ◽  
Bo Yan ◽  
Yan He
Keyword(s):  
Electronic Structure ◽  
Cobalt Oxide ◽  
Hydrogen Evolution ◽  
Solar Light ◽  
Single Atom ◽  
Hydrogen Energy ◽  
Atomic Cluster ◽  
Water Decomposition ◽  
Photocatalytic Hydrogen Evolution ◽  
Structure Regulation

Photocatalysis for water decomposition under solar light is a promising route to produce clean hydrogen energy. Although both single atom catalysts (SACs) and atomic cluster catalysts are effective ways to...

Highly Efficient Solar-driven Photocatalytic Hydrogen Evolution by Ternary 3D ZnIn2S4-MoS2 Microsphere/1D TiO2 Nanobelt Heterostructure

2021 ◽  
Author(s):  
Hanghang Zhou ◽  
Lan Wang ◽  
Hang Shi ◽  
Huan Zhang ◽  
Yue Wang ◽  
...  
Keyword(s):  
Energy Level ◽  
High Activity ◽  
Hydrogen Evolution ◽  
Solvothermal Method ◽  
Semiconductor Materials ◽  
Effective Strategy ◽  
Geometric Structures ◽  
Photocatalytic Hydrogen Evolution ◽  
Highly Efficient ◽  
Tio2 Nanobelts

Combining different semiconductor materials with diverse geometric structures and energy level configurations is an effective strategy for constructing high-activity heterostructure photocatalyst. Using the solvothermal method, 1D TiO2 nanobelts were uniformly...

Reduced Graphene-Oxide (rGO) Decorated Iron Oxide (Fe 3O 4) Nanocomposite for Effective Hydrogen Evolution

2021 ◽  
Author(s):  
Abdul Hanan ◽  
Mukhtiar Ahmed ◽  
Muhammad Nazim Lakhan ◽  
Altaf Hussain ◽  
Dianxue Cao ◽  
...  
Keyword(s):  
Graphene Oxide ◽  
Iron Oxide ◽  
Reduced Graphene Oxide ◽  
Hydrogen Evolution ◽  
Reduced Graphene ◽  
Effective Hydrogen

A novel bicomponent Co3S4/Co@C cocatalyst on CdS, accelerating charge separation for highly efficient photocatalytic hydrogen evolution

2020 ◽  
Vol 22 (1) ◽  
pp. 238-247 ◽  
Author(s):  
Yunpeng Liu ◽  
Bingxiong Wang ◽  
Qiao Zhang ◽  
Siyuan Yang ◽  
Yuhang Li ◽  
...  
Keyword(s):  
Band Structure ◽  
Hydrogen Evolution ◽  
Energy Band ◽  
Charge Separation ◽  
Energy Band Structure ◽  
Photocatalytic Hydrogen Evolution ◽  
Highly Efficient

Due to the stepwise down energy band structure of Co and Co3S4, the designed Co3S4/Co-CdS exhibits excellent photocatalytic H2 evolution.

Plasmonic Au nanoparticles embedding enhances the activity and stability of CdS for photocatalytic hydrogen evolution

2016 ◽  
Vol 52 (11) ◽  
pp. 2394-2397 ◽  
Author(s):  
Guiyang Yu ◽  
Xiang Wang ◽  
Jungang Cao ◽  
Shujie Wu ◽  
Wenfu Yan ◽  
...  
Keyword(s):  
Visible Light ◽  
Full Advantage ◽  
High Activity ◽  
Hydrogen Evolution ◽  
Electromagnetic Fields ◽  
Composite Structure ◽  
Au Nanoparticles ◽  
Light Illumination ◽  
Photocatalytic Hydrogen Evolution ◽  
Visible Light Illumination

A semiconductor fabricated by embedding plasmonic Au nanoparticles into CdS exhibits a high activity and stability for photocatalytic H2evolution. This composite structure could take full advantage of electromagnetic fields at the surface of the Au nanoparticles under visible light illumination.

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