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Updated on: Wednesday, May 29, 2019, 05:03 AM IST

New laser technique to help develop efficient and cleaner fuels

PTI
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London: Scientists have developed a new laser technique that may help find sustainable ways to replace fossil fuels with more efficient clean energy. Carbon dioxide is a hugely abundant waste product that can be converted into energy-rich by-products, such as carbon monoxide, said researchers at the University of Liverpool in the UK.

However, this process needs to be made far more efficient for it to work on a global, industrial scale, according to the study published in the journal Nature Catalysis. Electrocatalysts have shown promise as a potential way to achieve this required efficiency ‘step-change’ in CO2 reduction, but the mechanisms by which they operate are often unknown making it hard for researchers to design new ones in a rational manner.

Researchers at the University of Liverpool, in collaboration with Beijing Computational Science Research Center in China, demonstrated a laser-based spectroscopy technique that can be used to study the electrochemical reduction of CO2 in-situ or original place and provide much-needed insights into these complex chemical pathways.

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The researchers used a technique called Vibrational Sum-Frequency Generation (VSFG) spectroscopy coupled with electrochemical experiments to explore the chemistry of a particular catalyst called Mn(bpy)(CO)3Br, which is one of the most promising and intensely studied CO2 reduction electrocatalysts.

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Published on: Thursday, November 01, 2018, 03:46 PM IST
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