Crystal defect-mediated band-gap engineering: a new strategy for tuning the optical properties of Ag2Se quantum dots toward enhanced hydrogen evolution performance

2015 ◽  
Vol 3 (40) ◽  
pp. 20051-20055 ◽  
Author(s):  
Qi Cao ◽  
Yi-Feng Cheng ◽  
Han Bi ◽  
Xuebing Zhao ◽  
Kaiping Yuan ◽  
...  
Keyword(s):  
Quantum Dots ◽  
Optical Properties ◽  
Visible Light ◽  
Band Gap ◽  
Hydrogen Evolution ◽  
High Performance ◽  
Crystal Defect ◽  
Band Gap Engineering ◽  
New Strategy ◽  
Visible Light Driven

Defect-rich Ag2Se QDs were prepared controllably for sensitizing TiO2 toward high-performance visible-light-driven hydrogen-evolution photocatalysts.

A benzothiadiazole-based covalent organic framework for highly efficient visible-light driven hydrogen evolution

2020 ◽  
Vol 56 (83) ◽  
pp. 12612-12615
Author(s):  
Guang-Bo Wang ◽  
Sha Li ◽  
Cai-Xin Yan ◽  
Qian-Qian Lin ◽  
Fu-Cheng Zhu ◽  
...  
Keyword(s):  
Visible Light ◽  
Hydrogen Evolution ◽  
High Performance ◽  
Covalent Organic Framework ◽  
Highly Efficient ◽  
Visible Light Driven ◽  
Organic Framework

A benzothiadiazole-based covalent organic framework, which can be a high-performance platform for efficient visible-light driven hydrogen evolution, is reported.

Novel ZnCdS Quantum Dots Engineering for Enhanced Visible-Light-Driven Hydrogen Evolution

2019 ◽  
Vol 7 (16) ◽  
pp. 13805-13814 ◽  
Author(s):  
Jianmin Chen ◽  
Siming Lv ◽  
Zirong Shen ◽  
Panliang Tian ◽  
Junying Chen ◽  
...  
Keyword(s):  
Quantum Dots ◽  
Visible Light ◽  
Hydrogen Evolution ◽  
Visible Light Driven

A high-performance visible-light-driven all-optical switch enabled by ultra-thin gallium sulfide

2021 ◽  
Author(s):  
Kai Xu ◽  
Bao Yue Zhang ◽  
Yihong Hu ◽  
Muhammad Waqas Khan ◽  
Rui Ou ◽  
...  
Keyword(s):  
Optical Properties ◽  
Visible Light ◽  
High Performance ◽  
Optical Switch ◽  
Gallium Sulfide ◽  
All Optical ◽  
Visible Light Driven ◽  
On Chip ◽  
All Optical Switch ◽  
Silicon Based

A 2D Ga2S3 enabled all-optical switch is realized upon a silicon-based on-chip platform. With the unique optical properties of the 2D nanoflakes, the device exhibits excellent switching behaviors driven by visible light at a low power density.

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