{"id":44890,"date":"2023-08-03T16:27:25","date_gmt":"2023-08-03T20:27:25","guid":{"rendered":"https:\/\/engineering.jhu.edu\/chembe\/?post_type=news&p=44890"},"modified":"2023-11-01T09:05:16","modified_gmt":"2023-11-01T13:05:16","slug":"solving-the-carbon-dioxide-problem-one-atom-at-a-time","status":"publish","type":"news","link":"https:\/\/engineering.jhu.edu\/chembe\/news\/solving-the-carbon-dioxide-problem-one-atom-at-a-time\/","title":{"rendered":"Solving the carbon dioxide problem, one atom at a time"},"content":{"rendered":"

A team led by Chao Wang<\/a>, associate professor in the Department of Chemical and Biomolecular Engineering and core researcher at the Whiting School of Engineering\u2019s Ralph O\u2019Connor Sustainable Energy Institute<\/a>, has developed an innovative way to transform carbon dioxide (CO2<\/sub>) into valuable acetate with remarkable efficiency. Hydrocarbons like acetate can be used to manufacture sustainable chemicals and fuels.<\/p>\n

\u201cThe key is to arrange individual copper atoms on a carbon nitride surface, which results in a carbon-carbon coupling that is more efficient than traditional techniques,\u201d said Wang, whose team\u2019s results appeared in Science Advances<\/em><\/a>.<\/p>\n

\u201cScientists used to believe that only a continuous copper metal surface can do this, but we were curious what happened when you break it down and you only have one copper atom. Can you still induce carbon-carbon coupling?\u201d The answer, the team found, was a resounding \u201cyes.\u201d<\/p>\n

This single-atom approach also enables researchers to stabilize and guide specific parts of the chemical reactions more precisely, allowing them to produce acetate while suppressing the formation of other products such as ethylene and ethanol.<\/p>\n

\"\"<\/p>\n

The method yielded around 50% useable acetate, which exceeds that of commonly used methods. The team says\u00a0that these findings could pave the way for more eco-friendly and efficient methods of producing crucial substances, promoting sustainable chemistry and carbon-negative processes.<\/p>\n

Wang\u2019s research focuses on carbon capture and conversion to address sustainability challenges associated with climate\u00a0change.<\/p>\n

\u201cExtreme weather situations like wildfires and smoke haze, as consequences of increasing concentration of carbon dioxide in the air, are happening more and more often in recent years,\u201d he said. \u201cIt\u2019s urgent for us to develop new technologies to reduce emissions and even remove carbon dioxide from the air.\u201d<\/p>\n

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