Covalent organic framework based microspheres as an anode material for rechargeable sodium batteries

Patra, B.C., Das, S.K., Ghosh, A., Raj K, A., Moitra, P., Addicoat, M. ORCID: 0000-0002-5406-7927, Mitra, S., Bhaumik, A., Bhattacharya, S. and Pradhan, A., 2018. Covalent organic framework based microspheres as an anode material for rechargeable sodium batteries. Journal of Materials Chemistry A, 6 (34), pp. 16655-16663. ISSN 2050-7488

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Abstract

Photo electrochemical (PEC) water splitting under visible light irradiation is a very promising path for green and sustainable hydrogen production. PEC process has gained enormous research interested due to the potential of direct conversion of solar power into chemical fuel. Herein, we developed a covalent organic framework (COFs) which promise as an ideal photoabsorber due to the combination of efficient light harvesting sites with suitable band gap and catalytic sites for HER. Under solvothermal condition a Schiff base type condensation between 1,3,5-tris (4-formylbiphenyl) benzene (TFBB), 2, 4, 6-Tris(4-aminophenyl)-1, 3, 5-triazine (TAT) and 2, 4, 6-Tris(4-aminophenyl)-benzene (TAB) yields a crystalline, 2-D covalent organic frameworks TFBB-TAT and TFBB-TAB COF respectively. The as prepared triazine containing TFBB-TAT COF shows better photo electrochemical (PEC) water splitting compare to non triazine based TFBB-TAB COF. This work enriches the structural variety of COFs plays an important role on PEC water splitting but also provides an intriguing electrochemical behaviour of these class.

Item Type: Journal article
Publication Title: Journal of Materials Chemistry A
Creators: Patra, B.C., Das, S.K., Ghosh, A., Raj K, A., Moitra, P., Addicoat, M., Mitra, S., Bhaumik, A., Bhattacharya, S. and Pradhan, A.
Publisher: Royal Society of Chemistry
Date: 14 September 2018
Volume: 6
Number: 34
ISSN: 2050-7488
Identifiers:
NumberType
10.1039/c8ta04611eDOI
Divisions: Schools > School of Science and Technology
Depositing User: Jill Tomkinson
Date Added: 30 Aug 2018 10:50
Last Modified: 08 Aug 2019 03:00
URI: http://irep.ntu.ac.uk/id/eprint/34394

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