Microscopic Revelation of Charge-Trapping Sites in Polymeric Carbon Nitrides for Enhanced Photocatalytic Activity by Correlating with Chemical and Electronic Structures

2019 ◽  
Vol 11 (21) ◽  
pp. 19087-19095 ◽  
Author(s):  
Dipak B. Nimbalkar ◽  
Monika Stas ◽  
Sheng-Shu Hou ◽  
Shyue-Chu Ke ◽  
Jih-Jen Wu
Keyword(s):  
Photocatalytic Activity ◽  
Electronic Structures ◽  
Charge Trapping ◽  
Carbon Nitrides ◽  
Polymeric Carbon ◽  
Trapping Sites

Regulating morphological and electronic structures of polymeric carbon nitrides by successive copolymerization and stream reforming for photocatalytic CO2 reduction

2021 ◽  
Author(s):  
Ruirui Wang ◽  
Pengju Yang ◽  
Sibo Wang ◽  
Xinchen Wang
Keyword(s):  
Electronic Structures ◽  
Carbon Nitride ◽  
Co2 Reduction ◽  
Carbon Nitrides ◽  
Polymeric Carbon

Greatly reinforced photocatalytic CO2 reduction is realized with carbon nitride polymers tailored via a coupled copolymerization and stream reforming strategy.

Design of melem-based supramolecular assemblies for the synthesis of polymeric carbon nitrides with enhanced photocatalytic activity

2021 ◽  
Author(s):  
Jiawei Xia ◽  
Neeta Karjule ◽  
Biswajit Mondal ◽  
Jiani Qin ◽  
Michael Volokh ◽  
...  
Keyword(s):  
Photocatalytic Activity ◽  
Carbon Nitride ◽  
Supramolecular Assembly ◽  
Supramolecular Assemblies ◽  
Carbon Nitrides ◽  
Polymeric Carbon

We design a new supramolecular assembly family as reactants to synthesize highly-photoactive porous polymeric carbon nitride (CN), based on a melem-constructed honeycomb, coupled with the insertion of small triazine analogs....

Enhancement of the Photocatalytic Activity of Carbon Nitrides by Complex Templating

2015 ◽  
Vol 21 (30) ◽  
pp. 10805-10811 ◽  
Author(s):  
Zu Peng Chen ◽  
Markus Antonietti ◽  
Dariya Dontsova
Keyword(s):  
Photocatalytic Activity ◽  
Carbon Nitrides

Behavior of Local Charge-Trapping Sites in La2O3–Al2O3Composite Films under Constant Voltage Stress

2007 ◽  
Vol 46 (4B) ◽  
pp. 1879-1884 ◽  
Author(s):  
Toshifumi Sago ◽  
Akiyoshi Seko ◽  
Mitsuo Sakashita ◽  
Akira Sakai ◽  
Masaki Ogawa ◽  
...  
Keyword(s):  
Charge Trapping ◽  
Constant Voltage ◽  
Local Charge ◽  
Voltage Stress ◽  
Trapping Sites

Tunable optical transition in polymeric carbon nitrides synthesized via bulk thermal condensation

2012 ◽  
Vol 24 (16) ◽  
pp. 162201 ◽  
Author(s):  
T Tyborski ◽  
C Merschjann ◽  
S Orthmann ◽  
F Yang ◽  
M-Ch Lux-Steiner ◽  
...  
Keyword(s):  
Optical Transition ◽  
Thermal Condensation ◽  
Carbon Nitrides ◽  
Polymeric Carbon

Doping-induced enhancement of crystallinity in polymeric carbon nitride nanosheets to improve their visible-light photocatalytic activity

Nanoscale ◽  
2019 ◽  
Vol 11 (14) ◽  
pp. 6876-6885 ◽  
Author(s):  
Yuan-Yuan Li ◽  
Bing-Xin Zhou ◽  
Hua-Wei Zhang ◽  
Shao-Fang Ma ◽  
Wei-Qing Huang ◽  
...  
Keyword(s):  
Electron Transfer ◽  
Photocatalytic Activity ◽  
Visible Light ◽  
Carbon Nitride ◽  
Structural Defects ◽  
Two Dimensional ◽  
Utilization Ratio ◽  
Carbon Nitride Nanosheets ◽  
Polymeric Carbon ◽  
Visible Light Photocatalytic

Structural defects can greatly inhibit electron transfer in two-dimensional (2D) layered polymeric carbon nitride (CN), seriously lowering its utilization ratio of photogenerated charges during photocatalysis.

A metal-free heterogeneous photocatalyst for the selective oxidative cleavage of CC bonds in aryl olefins via harvesting direct solar energy

2020 ◽  
Vol 22 (14) ◽  
pp. 4516-4522 ◽  
Author(s):  
Yu Zhang ◽  
Nareh Hatami ◽  
Niklas Simon Lange ◽  
Emanuel Ronge ◽  
Waldemar Schilling ◽  
...  
Keyword(s):  
Solar Energy ◽  
Oxidative Cleavage ◽  
Metal Free ◽  
Carbon Nitrides ◽  
Aryl Olefins ◽  
Polymeric Carbon

A mild protocol has been developed using polymeric carbon nitrides (PCN) as metal-free heterogeneous photocatalyst to convert olefins into the corresponding carbonyls which even can be applied in the gram scale synthesis using direct solar energy.

Sign in / Sign up

Export Citation Format

Share Document