Introduction of high valent Mo6+ in Prussian blue analog derived Co-layered double hydroxide nanosheets for improved water splitting |
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Authors: | Baghendra Singh Atri Kumar Patel Arindam Indra |
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Institution: | Department of Chemistry, IIT (BHU), Varanasi, UP, 221005, India |
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Abstract: | Herein, we report a facile method for synthesizing MoCo-layered double hydroxide (LDH) nanosheets employing Prussian blue analog (PBA) as the precursor. The introduction of Mo in Co-LDH modulates the electronic structure, increases the number of active sites and electrochemical surface area to improve the hydrogen evolution, oxygen evolution, and overall water splitting activity. As a result, PBA-derived Mo0.25Co0.75-LDH nanosheets demonstrated 10 mA cm?2 current density at only 220 mV and 115 mV overpotentials for OER and HER, respectively. The overall water splitting was attained at 1.52 V cell voltage for 10 mA cm?2 current density. |
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Keywords: | Prussian blue analog Ultrathin layered double hydroxide nanosheets Mo-introduction Oxygen evolution Hydrogen evolution |
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