MA2CoBr4: lead-free cobalt-based perovskite for electrochemical conversion of water to oxygen

Ramavath Babu; Anil Kumar Vardhaman; Vishal M. Dhavale; Lingamallu Giribabu; Surya Prakash Singh

doi:10.1039/C9CC00878K

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MA₂CoBr₄: lead-free cobalt-based perovskite for electrochemical conversion of water to oxygen†

Ramavath Babu,^a Anil Kumar Vardhaman,

^a Vishal M. Dhavale,^b Lingamallu Giribabu

^ac and Surya Prakash Singh

*^ac

Author affiliations

* Corresponding authors

^a Polymers and Functional Materials Division, CSIR-Indian Institute of Chemical Technology (IICT), Uppal Road, Tarnaka, Hyderabad-500 007, India
E-mail: spsingh@iict.res.in

^b CSIR-Central Electrochemical Research Institute, CSIR Madras Complex, CSIR Road, Taramani, Chennai-600 113, India

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

Abstract

We have synthesized a lead-free stable organic–inorganic perovskite (MA₂CoBr₄) by using non-hazardous solvents such as methanol and ethanol, which are eco-friendly and safe to handle in comparison to DMF, toluene, etc. Single crystals of MA₂CoBr₄ were grown using a simple solution technique, and their electrochemical oxygen evolution was investigated in a wide pH range.

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Article information

DOI: https://doi.org/10.1039/C9CC00878K
Article type: Communication
Submitted: 30 Jan 2019
Accepted: 08 May 2019
First published: 08 May 2019

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Chem. Commun., 2019,55, 6779-6782

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MA₂CoBr₄: lead-free cobalt-based perovskite for electrochemical conversion of water to oxygen

R. Babu, A. K. Vardhaman, V. M. Dhavale, L. Giribabu and S. P. Singh, Chem. Commun., 2019, 55, 6779 DOI: 10.1039/C9CC00878K

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