Ultrafast Interlayer Charge Separation, Enhanced Visible‐Light Absorption, and Tunable Overpotential in Twisted Graphitic Carbon Nitride Bilayers for Water Splitting

2021 ◽  
pp. 2104695
Author(s):  
Xirui Zhang ◽  
Tong Wu ◽  
Chao Yu ◽  
Ruifeng Lu
Keyword(s):  
Visible Light ◽  
Water Splitting ◽  
Light Absorption ◽  
Charge Separation ◽  
Carbon Nitride ◽  
Graphitic Carbon ◽  
Graphitic Carbon Nitride ◽  
Visible Light Absorption

scholarly journals Embedded carbon in a carbon nitride hollow sphere for enhanced charge separation and photocatalytic water splitting

Nanoscale ◽  
2020 ◽  
Vol 12 (13) ◽  
pp. 7339-7346 ◽  
Author(s):  
Lei Luo ◽  
Jiani Ma ◽  
Haixing Zhu ◽  
Junwang Tang
Keyword(s):  
Visible Light ◽  
Water Splitting ◽  
Hollow Sphere ◽  
Light Absorption ◽  
Charge Separation ◽  
Carbon Nitride ◽  
Graphitic Carbon ◽  
Visible Light Absorption ◽  
Templating Method ◽  
Shape Selective

Graphitic carbon was fully embedded inside the graphitic carbon nitride hollow sphere via the modified shape-selective templating method in order to enchance visible light absorption and promote charge seperation.

scholarly journals Electrostatic interaction mechanism of visible light absorption broadening in ion-doped graphitic carbon nitride

RSC Advances ◽  
2021 ◽  
Vol 11 (37) ◽  
pp. 22652-22660
Author(s):  
Zengyu Cen ◽  
Yuna Kang ◽  
Rong Lu ◽  
Anchi Yu
Keyword(s):  
Visible Light ◽  
Electrostatic Interaction ◽  
Light Absorption ◽  
Carbon Nitride ◽  
Interaction Mechanism ◽  
Graphitic Carbon ◽  
Electrostatic Attraction ◽  
Graphitic Carbon Nitride ◽  
Visible Light Absorption

H2O2 treated K-doped graphitic carbon nitride presents an enhanced visible light absorption, which is due to the electrostatic attraction between K ions and OOH ions inside graphitic carbon nitride.

scholarly journals Simultaneous layer exfoliation and defect activation in g-C3N4 nanosheets with air-water interfacial plasma: Spectroscopic defects probing with tailored optical properties

2021 ◽  
Author(s):  
Trishamoni Kashyap ◽  
Palash Jyoti Boruah ◽  
Heremba Bailung ◽  
Dirtha Sanyal ◽  
Biswajit Choudhury
Keyword(s):  
Optical Properties ◽  
Visible Light ◽  
Charge Transport ◽  
Transport Properties ◽  
Light Absorption ◽  
Charge Separation ◽  
Carbon Nitride ◽  
Graphitic Carbon Nitride ◽  
Visible Light Absorption ◽  
Carbon Nitride Nanosheets

Defect-activated ultrathin graphitic carbon nitride nanosheets (g-C3N4) show an enhanced visible light absorption, better charge-separation, and facile charge transport properties. These are requisite for the designing of an active photocatalyst....

Extending the π-electron conjugation in 2D planar graphitic carbon nitride: efficient charge separation for overall water splitting

2019 ◽  
Vol 7 (8) ◽  
pp. 3757-3771 ◽  
Author(s):  
Sankeerthana Bellamkonda ◽  
Ramasamy Shanmugam ◽  
Ranga Rao Gangavarapu
Keyword(s):  
Visible Light ◽  
Water Splitting ◽  
Charge Separation ◽  
Carbon Nitride ◽  
Pure Water ◽  
Graphitic Carbon ◽  
Graphitic Carbon Nitride ◽  
Aromatic Rings ◽  
Overall Water Splitting ◽  
Efficient Charge

We report direct overall pure water splitting by visible light excited graphitic carbon nitride incorporated with conjugated aromatic rings without using sacrificial agents.

A new precursor to synthesize g-C3N4 with superior visible light absorption for photocatalytic application

2017 ◽  
Vol 7 (9) ◽  
pp. 1826-1830 ◽  
Author(s):  
Saisai Yuan ◽  
Qitao Zhang ◽  
Bin Xu ◽  
Sixiao Liu ◽  
Jinquan Wang ◽  
...  
Keyword(s):  
Visible Light ◽  
Light Absorption ◽  
Carbon Nitride ◽  
Graphitic Carbon ◽  
Graphitic Carbon Nitride ◽  
One Pot ◽  
Visible Light Absorption ◽  
Photocatalytic Application ◽  
Calcination Method

Graphitic carbon nitride (g-C3N4) was synthesized with a new precursor (thiourea oxide) by a simple one-pot calcination method.

scholarly journals Enhanced charge separation in g-C3N4–BiOI heterostructures for visible light driven photoelectrochemical water splitting

2019 ◽  
Vol 1 (4) ◽  
pp. 1460-1471 ◽  
Author(s):  
Kazi M. Alam ◽  
Pawan Kumar ◽  
Piyush Kar ◽  
Ujwal K. Thakur ◽  
Sheng Zeng ◽  
...  
Keyword(s):  
Visible Light ◽  
Water Splitting ◽  
Charge Separation ◽  
Carbon Nitride ◽  
Graphitic Carbon ◽  
Photoelectrochemical Water Splitting ◽  
Graphitic Carbon Nitride ◽  
Low Bandgap ◽  
Visible Light Driven

Heterojunctions of the low bandgap semiconductor bismuth oxyiodide (BiOI) with bulk multilayered graphitic carbon nitride (g-C3N4) and few layered graphitic carbon nitride sheets (g-C3N4-S) are synthesized and investigated as an active photoanode material for sunlight driven water splitting.

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