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Microporous Carbon Nitride (C3 N5.4 ) with Tetrazine based Molecular Structure for Efficient Adsorption of CO2 and Water.
Sathish, C I; Premkumar, S; Chu, Xueze; Yu, Xiaojiang; Breese, Mark B H; Al-Abri, Mohammed; Al-Muhtaseb, Ala'a H; Karakoti, Ajay; Yi, Jiabao; Vinu, Ajayan.
Afiliación
  • Sathish CI; Global Innovative Center for Advanced Nanomaterials (GICAN), College of Engineering, Science, and Environment, The University of Newcastle, Callaghan, New South Wales, 2308, Australia.
  • Premkumar S; Global Innovative Center for Advanced Nanomaterials (GICAN), College of Engineering, Science, and Environment, The University of Newcastle, Callaghan, New South Wales, 2308, Australia.
  • Chu X; Global Innovative Center for Advanced Nanomaterials (GICAN), College of Engineering, Science, and Environment, The University of Newcastle, Callaghan, New South Wales, 2308, Australia.
  • Yu X; Singapore Synchrotron Light Source, National University of Singapore, Singapore, 117603, Singapore.
  • Breese MBH; Singapore Synchrotron Light Source, National University of Singapore, Singapore, 117603, Singapore.
  • Al-Abri M; Department of Physics, National University of Singapore, Singapore, 119260, Singapore.
  • Al-Muhtaseb AH; Department of Petroleum and Chemical Engineering, College of Engineering, Sultan Qaboos University, Muscat, Oman.
  • Karakoti A; Department of Petroleum and Chemical Engineering, College of Engineering, Sultan Qaboos University, Muscat, Oman.
  • Yi J; Global Innovative Center for Advanced Nanomaterials (GICAN), College of Engineering, Science, and Environment, The University of Newcastle, Callaghan, New South Wales, 2308, Australia.
  • Vinu A; Global Innovative Center for Advanced Nanomaterials (GICAN), College of Engineering, Science, and Environment, The University of Newcastle, Callaghan, New South Wales, 2308, Australia.
Angew Chem Int Ed Engl ; 60(39): 21242-21249, 2021 Sep 20.
Article en En | MEDLINE | ID: mdl-34378296
Mesoporous carbon nitrides with C3 N5 and C3 N6 stoichiometries created a new momentum in the field of organic metal-free semiconductors owing to their unique band structures and high basicity. Here, we report on the preparation of a novel graphitic microporous carbon nitride with a tetrazine based chemical structure and the composition of C3 N5.4 using ultra-stable Y zeolite as the template and aminoguanidine hydrochloride, a high nitrogen-containing molecule, as the CN precursor. Spectroscopic characterization and density functional theory calculations reveal that the prepared material exhibits a new molecular structure, which comprises two tetrazines and one triazine rings in the unit cell and is thermodynamically stable. The resultant carbon nitride shows an outstanding surface area of 130.4 m2 g-1 and demonstrates excellent CO2 adsorption per unit surface area of 47.54 µmol m-2 , which is due to the existence of abundant free NH2 groups, basic sites and microporosity. The material also exhibits highly selective sensing over water molecules (151.1 mmol g-1 ) and aliphatic hydrocarbons due to its unique microporous structure with a high amount of hydrophilic nitrogen moieties and recognizing ability towards small molecules.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: Angew Chem Int Ed Engl Año: 2021 Tipo del documento: Article País de afiliación: Australia Pais de publicación: Alemania
Texto completo
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XML
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: Angew Chem Int Ed Engl Año: 2021 Tipo del documento: Article País de afiliación: Australia Pais de publicación: Alemania