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Wojnarowicz, J., Chudoba, T., Gierlotka, S., Sobczak, K. and Lojkowski, W. (2018) Size Control of Cobalt-Doped ZnO Nanoparticles Obtained in Microwave Solvothermal Synthesis. Crystals, 8, Article No. 179.

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• TITLE: Mass-Based Environmental Factor and Energy Assessment of Microwave-Assisted Synthesized Transition Metal Nanostructures

  AUTHORS: Victor J. Law

  KEYWORDS: Microwave-Assisted Synthesis, Transition Metals Nanostructures, Allometry Scaling, Power-Law Signature, Green Chemistry

  JOURNAL NAME: American Journal of Analytical Chemistry, Vol.15 No.6, June 24, 2024

  ABSTRACT: This paper describes mass-based energy phase-space projection of microwave-assisted synthesis of transition metals (zinc oxide, palladium, silver, platinum, and gold) nanostructures. The projection uses process energy budget (measured in kJ) on the horizontal axes and process density (measured in kJg−1) on the vertical axes. These two axes allow both mass usage efficiency (Environmental-Factor) and energy efficiency to be evaluated for a range of microwave applicator and metal synthesis. The metrics are allied to the: second, sixth and eleventh principle of the twelve principle of Green Chemistry. This analytical approach to microwave synthesis (widely considered as a useful Green Chemistry energy source) allows a quantified dynamic environmental quotient to be given to renewable plant-based biomass associated with the reduction of the metal precursors. Thus allowing a degree of quantification of claimed “eco-friendly” and “sustainable” synthesis with regard to waste production and energy usage.