Abstract
The presentation addresses the mechanochemical approach to solid-state chemical synthesis, enabling the solvent-free preparation of a wide variety of molecular, ionic, and hybrid inorganic-organic materials. The state of the art in the field of mechanochemistry is briefly reviewed, using authors' experimental results as examples, while highlighting feasible mechanisms of mechanochemical transformations. Mechanochemical preparations of novel hybrid and complex materials, such as complex meta hydrides, 3D misfit heterostructures, high-entropy transition metal dichalcogenides (TMDCs), and rare earth-based metal-organic frameworks (MOFs), are discussed. Additionally, the applications of mechanochemistry in the Circular Economy are highlighted, including the recently discovered mechanochemical deconstruction of spent magnetic and battery materials, as well as the depolymerization of polystyrene at room temperature. Finally, the transformation of research results into commercial products will be briefly emphasized, using mechanochemical processes as examples.
Biography
Dr. Viktor Balema is an expert in novel electronic and energy materials, as well as non-conventional materials preparation techniques. He earned his BS/MS degrees from L'viv State University, Ukraine, and PhD from the A. Nesmeyanov Institute of the Academy of Sciences in Moscow. Subsequently, he conducted research at the universities of Karlsruhe and Leipzig, Germany as Visiting Scientist, then joined Ames Laboratory of the US Department of Energy. Over two decades, Dr. Balema directed the Hard Materials Segment and Materials Science R&D at Sigma-Aldrich Co. and held Senior Scientist and CTO positions at Ames Laboratory and in the chemical industry. Currently, he is an Adjunct Professor at Clemson University, SC, USA. Dr. Balema has authored over 100 papers and patents, delivered numerous invited talks, and served as a reviewer for the US DOE, NSF, US CRDF, ACS PRF, and numerous peer-reviewed journals. His research has also been featured in popular scientific magazines, including New Scientist and Scientific American.
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