Abstract
Self-decorated Mn2O3 nanocrystals on Geobacter sulfurreducens were synthesized as sustainable and efficient water oxidation catalysts.
Highlights
There is an increasing global demand for energy, which is mainly supported by burning fossil fuels.[1,2] The current rate of consumption of fossil fuels, which are limited resources, may lead to their ultimate depletion and further increase in atmospheric carbon dioxide (CO2) concentration, resulting in serious environmental pollution and climate change issues.[3]
G. sulfurreducens dissipates the respiratory electrons from the acetate oxidation to reduce MnO4− through the electron transfer (EET) respiratory chain
The TEM-energy dispersive X-ray (EDX) spectroscopy analysis showed that in addition to Mn and oxygen, P and Fe were present in the Geobacter-Mn2O3 biohybrid (Fig. S5†), which were derived from G. sulfurreducens, while Cu was derived from the TEM Cu-grid
Summary
There is an increasing global demand for energy, which is mainly supported by burning fossil fuels.[1,2] The current rate of consumption of fossil fuels, which are limited resources, may lead to their ultimate depletion and further increase in atmospheric carbon dioxide (CO2) concentration, resulting in serious environmental pollution and climate change issues.[3]. Paper while physical methods consume high energy to produce MnOx. Here, we propose a microbial method using the bacterium Geobacter sulfurreducens to synthesize an amorphous Geobacter-Mn2O3 biohybrid as an efficient OER catalyst.
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