In-situ Prepared 2D Covalent Organic Framework as a Photocatalyst in the Photocatalytic-Biocatalytic Attached System for Highly Selective L-Glutamate Production under Solar Light

Pooja Singh1, Abhishek Kumar2, Atul P. Singh3, Rajesh K. Yadav1,*

1Department of Chemistry and Environmental Science, Madan Mohan Malaviya University of Technology,
 Gorakhpur 273010, Uttar Pradesh, India

2Department of Chemistry, Institute of Science, BHU, Varanasi 221005, Uttar Pradesh, India

3Department of Chemistry, Chandigarh University, Mohali, India

Adv. Mater. Lett., 2020, 11 (9), 20091556

DOI: 10.5185/amlett.2020.091556

Publication Date (Web): Aug 07, 2020

E-mail: rajeshkr_yadav2003@yahoo.co.in

Abstract


Covalent organic frameworks (COFs) are a class of porous organic polymers with designable and predictable platform that may provide new opportunities to develop a metal-free in-situ prepared photocatalyst by condensation method. Currently, we have designed a new class of two dimensional covalent organic frameworks (2DCOFs), which is important for further growth in this promising field for boosting selective solar chemical productions under solar light. For this scientific research work, perylene-3, 4, 9, 10-tetracarboxylic dianhydried (PDAH) and tetraaniline-4, 4′, 4″, 4‴-(ethene-1, 1, 2, 2-tetrayl) (TAET) have been attached by a condensation method first time to the fabrication of in-situ 2DCOFs photocatalyst. The photocatalyst-biocatalyst attached system urbanized using 2DCOFs as photocatalyst functions in a highly selective manner, leading to high NADH regeneration (83.68%), followed by its consumption in L-glutamate production (89.95%) from α-ketoglutarate. In this article, in-situ prepared photocatalyst has an excellent solar light-harvesting ability, band gap suitability, and highly organized π-electron channels are very applicable for highly selective solar chemical (L-glutamate) production and expected to trigger further interest in developing flexible films for solar energy transformation applications.

Keywords

2DCOFs photocatalyst, NADH regeneration, GDH enzyme, L-Glutamate.

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