Simple method for preparing of sulfur-doped graphitic carbon nitride with superior activity in CO2photoreduction
| Autor: | Atte Aho, Dmitry Yu. Murzin, Nataliya D. Shcherban, M. L. Ovcharov, A. M. Mishura, Svitlana Filonenko, M.A. Skoryk |
|---|---|
| Rok vydání: | 2016 |
| Předmět: |
Materials science
Inorganic chemistry Graphitic carbon nitride chemistry.chemical_element Sulfuric acid 02 engineering and technology General Chemistry Nitride 010402 general chemistry 021001 nanoscience & nanotechnology 01 natural sciences Sulfur 0104 chemical sciences Catalysis chemistry.chemical_compound chemistry Specific surface area Beta carbon nitride 0210 nano-technology Carbon nitride |
| Zdroj: | ChemistrySelect. 1:4987-4993 |
| ISSN: | 2365-6549 |
| DOI: | 10.1002/slct.201601283 |
| Popis: | S-doped porous carbon nitride was obtained by a simple method using melamine and sulfuric acid. The synthesized material exhibits high BET specific surface area (75 m2/g) compared to non-doped C3N4 (25 m2/g). According to X-ray photoelectron spectroscopy sulfur atoms substitute nitrogen forming C−S bonds in the structure of carbon nitride. Incorporation of sulfur into C3N4 results in a significant increase of the light absorbance intensity especially in the UV region compared to undoped sample. Synthesized S-doped carbon nitride was found to be p-type semiconductor with high catalytic activity towards photoreduction of carbon dioxide with water vapour. Doping C3N4 with sulfur increases the catalytic activity in this reaction almost tenfold. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
|
Plný text