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Advances in Nano Research Volume 18, Number 6, June 2025 , pages 585-597 DOI: https://doi.org/10.12989/anr.2025.18.6.585 |
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One pot solvothermal synthesis of Zr-MOF and DNA-encapsulated Zr-MOF for improved current density towards OER |
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Zohaib Ashraf, Mamoona Andleeb, Muhammad Sajjad, Muhammad Ibrahim, Sheereen Afaq, Wasif Mahmood Ahmad Malik, Abdul Ghafoor, Muhammad Ismail, Francis Verpoort and Adeel Hussain Chughtai
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| Abstract | ||
| The global energy crisis and environmental pollution requires an urgent shift to renewable energy sources. Electrochemical water splitting is an emerging and promising method to generate hydrogen which is clean and sustainable energy carrier. To facilitate the sluggish Oxygen Evolution Reaction (OER), contemporary society has been actively searching for an electrocatalyst that can be synthesized easily, exhibits remarkable catalytic activity and maintains extraordinary stability over time. In this paper, solvothermal method was used to synthesize a Zr-MOF and DNA encapsulated-MOF in context of making the best use of the synergistic behavior of the material. To further confirm the synthesized samples various characterization techniques like PXRD, SEM, BET and FT-IR were performed. The electrochemical results show that synthesized DNA encapsulated Zr-MOF have small Tafel value of 59 mV/dec, a lower value of onset potential of 1.49 V, a lower over potential value of 294 mV and had high electrochemical surface area of 411.25 cm2. The Chronoamperometry test also shows the high structure stability of material over 50 hours. This work highlights the potential of Zr-MOF based materials as effective and robust catalyst for electrochemical water splitting to replace the electrocatalysts that are based on noble metals for energy conversion and storage. | ||
| Key Words | ||
| DNA; electrocatalyst; MOF; OER; water splitting | ||
| Address | ||
| Zohaib Ashraf, Mamoona Andleeb, Muhammad Sajjad, Sheereen Afaq, Abdul Ghafoor, Muhammad Ismail and Adeel Hussain Chughtai: Institute of Chemical Sciences, Bahauddin Zakariya University, Multan (60800), Pakistan Muhammad Ibrahim: Department of Biochemistry, Bahauddin Zakariya University, Multan (60800), Pakistan Wasif Mahmood Ahmad Malik: Institute of Chemical Sciences, Bahauddin Zakariya University, Multan (60800), Pakistan/ Department of Chemistry, Emerson University, Multan (60000), Pakistan Francis Verpoort: Laboratory of Organometallics, Catalysis and Ordered Materials, State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Center for Chemical and Material Engineering, Wuhan University of Technology, Wuhan (430070), China/ Joint Institute of Chemical Research (FFMiEN), Peoples Friendship University of Russia, (RUDN University), Moscow-117198, Russia | ||