Post-synthetic modulation of UiO-66-NH2 with a cobaloxime catalyst for efficient hydrogen production

Saddam Sk; Sandip Prabhakar Shelake; Dependu Dolui; Suhana Karim; Rajib Ghosh; M. V. Jyothirmai; Annadanam V. Sesha Sainath; Ujjwal Pal; Arnab Dutta

doi:10.1039/D3YA00151B

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Post-synthetic modulation of UiO-66-NH₂ with a cobaloxime catalyst for efficient hydrogen production†

Saddam Sk,

‡^ab Sandip Prabhakar Shelake,‡^bc Dependu Dolui,

‡^d Suhana Karim,^d Rajib Ghosh,

^e M. V. Jyothirmai,

^f Annadanam V. Sesha Sainath,^bc Ujjwal Pal

*^ab and Arnab Dutta

*^dg

Author affiliations

* Corresponding authors

^a Department of Energy & Environmental Engineering, CSIR-Indian Institute of Chemical Technology, Hyderabad, India
E-mail: upal03@gmail.com, ujjwalpal@iict.res.in

^b Academy of Scientific and Innovative Research (AcSIR), Ghaziabad-201002, India

^c Polymers and Functional Materials and Fluoro-Agrochemicals Department, CSIR-Indian Institute of Chemical Technology, Hyderabad-500007, India

^d Chemistry Department, Indian Institute of Technology Bombay, Powai, Mumbai-400076, India
E-mail: arnab.dutta@iitb.ac.in

^e Radiation & Photochemistry Division, Bhabha Atomic Research Centre, Mumbai-400085, India

^f Department of Chemical Engineering, Indian Institute of Technology Kanpur, Kanpur-208016, India

^g Interdisciplinary Programme in Climate Studies, Indian Institute of Technology Bombay, Powai, Mumbai-400076, India

Abstract

Post synthetically-modified UiO-66-NH₂ with a molecular cobaloxime [Co(DMG)₂Cl₂] (DMG = dimethylglyoxime) catalyst displays excellent photo-(404 μmol g⁻¹ h⁻¹) and electrocatalytic H₂ evolution activity in an aqueous solution. Several analytical and spectroscopic methods, including femtosecond transient absorption spectroscopy and DFT, revealed the unique interaction between cobaloxime and the MOF leading to enhanced catalytic activity.

This article is part of the themed collections: Electrocatalytic hydrogen production – Topic Highlight, Energy Advances: Highlight India, SDG 13: Climate Action and SDG 7: Affordable and clean energy

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Article information

DOI: https://doi.org/10.1039/D3YA00151B
Article type: Communication
Submitted: 07 Apr. 2023
Accepted: 19 Jun. 2023
First published: 19 Jun. 2023
This article is Open Access

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Energy Adv., 2023,2, 1116-1121

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Post-synthetic modulation of UiO-66-NH₂ with a cobaloxime catalyst for efficient hydrogen production

S. Sk, S. P. Shelake, D. Dolui, S. Karim, R. Ghosh, M. V. Jyothirmai, A. V. S. Sainath, U. Pal and A. Dutta, Energy Adv., 2023, 2, 1116 DOI: 10.1039/D3YA00151B

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