Multi-component supramolecular gels induce protonation of a porphyrin exciplex to achieve improved collective optical properties for effective photocatalytic hydrogen generation

2020 ◽  
Vol 56 (4) ◽  
pp. 527-530
Author(s):  
Gengxiang Yang ◽  
Chenxiang Lin ◽  
Xuenan Feng ◽  
Tianyu Wang ◽  
Jianzhuang Jiang
Keyword(s):  
Optical Properties ◽  
Charge Separation ◽  
Hydrogen Generation ◽  
Photocatalytic Properties ◽  
Exciplex Formation ◽  
Photocatalytic Hydrogen Generation ◽  
Supramolecular Gels

Two-porphyrin supramolecular gels induce exciplex formation, protonation and J-aggregation of porphyrins, which render a smaller bandgap, charge separation and good photocatalytic properties.

scholarly journals Spatially separated bimetallic cocatalysts on hollow-structured TiO2 for photocatalytic hydrogen generation

2020 ◽  
Vol 4 (6) ◽  
pp. 1671-1678
Author(s):  
Ping She ◽  
Jun-sheng Qin ◽  
Heng Rao ◽  
Buyuan Guan ◽  
Jihong Yu
Keyword(s):  
Size Effect ◽  
Charge Separation ◽  
Hydrogen Generation ◽  
Au Nps ◽  
Photocatalytic Hydrogen Generation ◽  
Induced Charge ◽  
Spr Effect ◽  
Effect Of Pd

A hollow-structured TiO2 decorated with spatially separated bimetallic cocatalysts (Pd@TiO2@Au) was obtained, which exhibited superior photo-induced charge separation by combining the SPR effect of Au NPs and the smaller size effect of Pd NPs.

Insights into the efficient charge separation and transfer efficiency of La,Cr-codoped SrTiO3 modified with CoP as a noble-metal-free co-catalyst for superior visible-light driven photocatalytic hydrogen generation

2018 ◽  
Vol 5 (3) ◽  
pp. 679-686 ◽  
Author(s):  
Pengfei Tan ◽  
Anquan Zhu ◽  
Yi Liu ◽  
Yongjin Ma ◽  
Wenwen Liu ◽  
...  
Keyword(s):  
Visible Light ◽  
Noble Metal ◽  
Charge Separation ◽  
Hydrogen Generation ◽  
Transfer Efficiency ◽  
Co Catalyst ◽  
Metal Free ◽  
Photocatalytic Hydrogen Generation ◽  
Efficient Charge ◽  
Visible Light Driven

Doped SrTiO3 modified with CoP as a co-catalyst for photocatalytic H2 evolution was designed and fabricated in this work.

Boosting charge separation of Sr2Ta2O7 by Cr doping for enhanced visible light-driven photocatalytic hydrogen generation

2019 ◽  
Vol 6 (11) ◽  
pp. 3057-3062 ◽  
Author(s):  
Weixuan Zeng ◽  
Sheng Cao ◽  
Lulu Qiao ◽  
Anquan Zhu ◽  
Quanyin Ma ◽  
...  
Keyword(s):  
Visible Light ◽  
Hydrothermal Method ◽  
Charge Separation ◽  
Photocatalytic Performance ◽  
Hydrogen Generation ◽  
Facile Hydrothermal Method ◽  
Photocatalytic Hydrogen Generation ◽  
Visible Light Driven ◽  
Cr Doping

Visible-light driven Cr-doped Sr2Ta2O7 nanosheets with enhanced photocatalytic performance were prepared by a facile hydrothermal method.

scholarly journals Amorphous NiSx film as a robust cocatalyst for boosting photocatalytic hydrogen generation over ultrafine ZnCdS nanoparticles

2021 ◽  
Author(s):  
Shenglong Gan ◽  
Min Deng ◽  
Dongfang Hou ◽  
Lei Huang ◽  
XiuQing Qaio ◽  
...  
Keyword(s):  
Reaction Kinetics ◽  
Charge Separation ◽  
Active Sites ◽  
Surface Reaction ◽  
Hydrogen Generation ◽  
H2 Generation ◽  
Separation Surface ◽  
Photocatalytic Hydrogen Generation ◽  
Photocatalytic H2 Generation ◽  
Surface Reaction Kinetics

Optimization of cocatalyst is promising and of great significance in enhancing photocatalytic H2 generation from the perspective of understanding the charge separation, surface reaction kinetics, and distribution of active sites....

Construction of heterojunctions between ReS2 and twin crystal ZnxCd1-xS for boosting solar hydrogen evolution

2021 ◽  
Author(s):  
Luyan Guo ◽  
Guiyang Yu ◽  
Haitao Zhao ◽  
Chuanwang Xing ◽  
Yujia Hu ◽  
...  
Keyword(s):  
Hydrogen Evolution ◽  
Charge Separation ◽  
Redox Reactions ◽  
Hydrogen Generation ◽  
Solar Hydrogen ◽  
Twin Crystal ◽  
Photocatalytic Hydrogen Generation ◽  
Highly Active ◽  
Surface Redox

Facilitating charge separation as well as surface redox reactions is considered to be an efficient way to improving semiconductor-based photocatalytic hydrogen generation. In this contribution, we developed a highly active...

scholarly journals Photocatalytic hydrogen generation from water using a hybrid of graphene nanoplatelets and self doped TiO2–Pd

RSC Advances ◽  
2014 ◽  
Vol 4 (26) ◽  
pp. 13469-13476 ◽  
Author(s):  
Farheen N. Sayed ◽  
R. Sasikala ◽  
O. D. Jayakumar ◽  
R. Rao ◽  
C. A. Betty ◽  
...  
Keyword(s):  
Photocatalytic Activity ◽  
Visible Light ◽  
Light Absorption ◽  
Charge Separation ◽  
Hydrogen Generation ◽  
Graphene Nanoplatelets ◽  
Visible Light Absorption ◽  
Doped Tio2 ◽  
Photocatalytic Hydrogen Generation

Graphene nanoplatelets and Ti3+ enhance the photocatalytic activity of TiO2 due to extended visible light absorption and improved charge separation.

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