Author: Moumita Bhattacharya

How to Prevent Cannibalism in Catalysts

This work describes an approach to prevent self assimilation of catalysts to increase their lifetime. It also finds a Hammett correlation between different substituents present on the catalysts and the rate of catalysis in both homogeneous and heterogeneous phase.

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Structure-Function Relationship in a Highly Efficient CO2 Reducing MOF

A structure-function relationship has been established for a cobalt containing Metal Organic Framework (MOF) that catalyzes carbon dioxide reduction very efficiently. It has been established that the hydroxyl groups coordinated to the metal co-operates to enhance the catalysis by forming H-bond network with CO2. Let’s learn how the authors performed a systematic and thorough investigation on these MOFs.

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Neutral Water Splitting by Self-Repairing Catalyst

In this work the authors discussed how and why a self-healing mechanism works for their catalyst, as well as how to rationally design other self-healing water oxidation catalysts by better understanding the kinetics of the key catalytic steps.

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Bicarbonate Controlling the Rate of CO2 Reduction

This work shows that bicarbonate (HCO3-) is neither a general acid nor a reaction partner in the rate-limiting step of electrochemical CO2 reduction catalysis mediated by planar polycrystalline Au surfaces. Kinetic modeling studies and electrochemical experiments suggest that it acts as a proton donor in steps past the rate-limiting one and a buffer in the solution.

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Alternative Fuel Production by a Cu-Zr Inorganic Sponge

This works explains the design principle of a novel methane oxidation catalyst by putting together Cu and NU-1000, a Metal Organic Framework with heightened structural stability. It also uses various spectroscopic technique to assign the oxidation state of the active catalyst which in turn is the source of higher selectivity in the catalytic reaction.

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