The effects of chemical and thermal exfoliation on the physico-chemical and optical properties of carbon nitrides

2021 ◽  
Author(s):  
Tayline Viana de Medeiros ◽  
Arilza de Oliveira Porto ◽  
Hudson Aguiar Bicalho ◽  
Juan Carlos González ◽  
Rafik Naccache ◽  
...  
Keyword(s):  
Optical Properties ◽  
Mechanical Stability ◽  
Graphitic Carbon ◽  
Aromatic System ◽  
Metal Free ◽  
Physico Chemical ◽  
Carbon Nitrides ◽  
Carbon Based Nanomaterials ◽  
Carbon Based

Carbon-based nanomaterials, such as polymeric graphitic carbon nitrides, have garnered attention due to their metal-free structure, exceptional thermal and mechanical stability and unique extended aromatic system, imparting them with semiconductor...

scholarly journals Recent developments of carbon based nanomaterials and membranes for oily wastewater treatment

RSC Advances ◽  
2017 ◽  
Vol 7 (34) ◽  
pp. 20981-20994 ◽  
Author(s):  
Bader Shafaqa Al-anzi ◽  
Ong Chi Siang
Keyword(s):  
Wastewater Treatment ◽  
Mechanical Stability ◽  
Oily Wastewater ◽  
Nanocomposite Membranes ◽  
Recent Developments ◽  
Oily Wastewater Treatment ◽  
Carbon Based Nanomaterials ◽  
Excellent Chemical ◽  
Carbon Based

Carbon-based nanocomposite membranes have recently drawn tremendous attentions among membrane scientists due to their excellent chemical, mechanical stability and antifouling properties against oil deposition/adsorption.

scholarly journals Development of metal-free layered semiconductors for 2D organic field-effect transistors

2021 ◽  
Author(s):  
David Burmeister ◽  
Matthias G. Trunk ◽  
Michael J. Bojdys
Keyword(s):  
Field Effect ◽  
Organic Materials ◽  
Field Effect Transistors ◽  
Graphitic Carbon ◽  
Covalent Organic Frameworks ◽  
Organic Field Effect Transistors ◽  
Layered Semiconductors ◽  
Metal Free ◽  
2D Semiconductors ◽  
Carbon Nitrides

Metal-free 2D covalent organic materials transport charges along and in-between π-conjugated layers. Here, we look at the prospects of graphitic carbon nitrides and covalent organic frameworks as 2D semiconductors “beyond graphene and silicon”.

scholarly journals Carbon-Based Nanomaterials as Sustainable Noble-Metal-Free Electrocatalysts

2019 ◽  
Vol 7 ◽  
Author(s):  
Yuying Meng ◽  
Xiaoqing Huang ◽  
Huaijun Lin ◽  
Peng Zhang ◽  
Qingsheng Gao ◽  
...  
Keyword(s):  
Noble Metal ◽  
Metal Free ◽  
Carbon Based Nanomaterials ◽  
Carbon Based

Visible Light-Promoted Thiocyanation of sp2 C-H bonds over Heterogeneous Graphitic Carbon Nitrides

2021 ◽  
Author(s):  
Wei Chen ◽  
Tingzhen Li ◽  
Xinwen Peng
Keyword(s):  
Visible Light ◽  
Carbon Nitride ◽  
Graphitic Carbon ◽  
Graphitic Carbon Nitride ◽  
Metal Free ◽  
Carbon Nitrides

Mesoporous graphitic carbon nitride (mpg-C3N4) has been developed as a metal-free heterogeneous photocatalyst for the thiocyanation transformations. The reaction proceeded efficiently by utilizing air as the green oxidant under mild...

scholarly journals Isotope Analytical Characterization of Carbon-Based Nanocomposites

Radiocarbon ◽  
2018 ◽  
Vol 60 (4) ◽  
pp. 1101-1114
Author(s):  
Tibor Szabó ◽  
Róbert Janovics ◽  
Marianna Túri ◽  
István Futó ◽  
István Papp ◽  
...  
Keyword(s):  
Carbon Nanotubes ◽  
Chemical Potential ◽  
Chemical Vapor ◽  
Physico Chemical ◽  
Integrated Optical ◽  
Integrated Optical Devices ◽  
Carbon Based Nanomaterials ◽  
Conceptual Revolution ◽  
Carbon Based

ABSTRACTCarbon-based nanomaterials of different dimensions (1–3D, tubes, bundles, films, papers and sponges, graphene sheets) have been created and their characteristic properties have been discussed intensively in the literature. Due to their unique advantageous, tunable properties these materials became promising candidates in new generations of applications in many research laboratories and, recently, in industries as well. Protein-based bio-nanocomposites are referred to as materials of the future, which may serve as conceptual revolution in the development of integrated optical devices, e.g. optical switches, microimaging systems, sensors, telecommunication technologies or energy harvesting and biosensor applications. In our experiments, we designed various carbon-based nanomaterials either doped or not doped with nitrogen or sulfur during catalytic chemical vapor deposition synthesis. Radio- and isotope analytical studies have shown that the used starting materials, precursors and carriers have a strong influence on the geometry and physico-/chemical characteristics of the carbon nanotubes produced. After determining the 14C isotope constitution 53 m/m% balance was found in the reaction center protein/carbon nanotubes complex in a sensitive way that was prepared in our laboratory. The result is essential in determining the yield of conversion of light energy to chemical potential in this bio-hybrid system.

scholarly journals One Dimensional Graphitic Carbon Nitrides as Effective Metal-Free Oxygen Reduction Catalysts

2015 ◽  
Vol 5 (1) ◽  
Author(s):  
Muhammad Tahir ◽  
Nasir Mahmood ◽  
Jinghan Zhu ◽  
Asif Mahmood ◽  
Faheem K. Butt ◽  
...  
Keyword(s):  
Oxygen Reduction ◽  
Graphitic Carbon ◽  
Free Oxygen ◽  
One Dimensional ◽  
Metal Free ◽  
Carbon Nitrides ◽  
Oxygen Reduction Catalysts ◽  
Reduction Catalysts

scholarly journals Carbon-based nanomaterials: in the quest of alternative metal-free photocatalysts for solar water splitting

2020 ◽  
Vol 2 (11) ◽  
pp. 5130-5151 ◽  
Author(s):  
Simanta Kundu ◽  
Kommula Bramhaiah ◽  
Santanu Bhattacharyya
Keyword(s):  
Water Splitting ◽  
Solar Light ◽  
Metal Free ◽  
Solar Water ◽  
Solar Water Splitting ◽  
Carbon Based Nanomaterials ◽  
Carbon Based

Carbon-based nanomaterials act as an alternative class of metal-free photocatalysts for solar light-induced water splitting.

scholarly journals Special Issue: Carbon-Based Nanomaterials for (Bio)Sensors Development

Nanomaterials ◽  
2021 ◽  
Vol 11 (9) ◽  
pp. 2430
Author(s):  
Simone Morais
Keyword(s):  
Thermal Conductivity ◽  
Optical Properties ◽  
Specific Surface ◽  
Chemical Stability ◽  
Intrinsic Properties ◽  
Special Issue ◽  
Carbon Based Nanomaterials ◽  
Carbon Based

Carbon-based nanomaterials have been increasingly used in the design of sensors and biosensors due to their advantageous intrinsic properties, which include, but are not limited to, high electrical and thermal conductivity, chemical stability, optical properties, large specific surface, biocompatibility, and easy functionalization [...]

scholarly journals Quasiparticle Band Structures and Optical Properties of Graphitic Carbon Nitrides

2016 ◽  
Vol 32 (8) ◽  
pp. 1967-1976 ◽  
Author(s):  
Dong-Mei LIANG ◽  
◽  
Xia LENG ◽  
Yu-Chen MA ◽  
Keyword(s):  
Optical Properties ◽  
Graphitic Carbon ◽  
Band Structures ◽  
Carbon Nitrides ◽  
Quasiparticle Band
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