new carbon material #worldresearchaward #carbon dioxide #Solid carbon #scrubbing

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To address this challenge, a research team led by Associate Professor Yasuhiro Yamada from the Graduate School of Engineering and Associate Professor Tomonori Ohba from the Graduate School of Science at Chiba University, Japan, developed a new type of carbon material called 'viciazites.' These materials are designed with nitrogen groups positioned next to each other in a controlled way. The study, published in the journal Carbon, was co-authored by Mr. Kota Kondo, also from Chiba University.

Building Viciazites With Controlled Nitrogen Pairing

The researchers created three different versions ofcompounds each with a unique type of neighboring nitrogen configuration. To produce adjacent primary amine groups (-NH2 groups), they first heated a compound called coronene, then treated it with bromine, followed by ammonia gas. This three-step method achieved 76% selectivity, meaning most of the nitrogen atoms were placed in the intended positions.

Two additional materials were produced using different starting compounds. One featured adjacent pyrrolic nitrogen with 82% selectivity, while the other contained adjacent pyridinic nitrogen with 60% selectivity.


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