Abstract
The Multiple Criteria Decision Aiding (MCDA) method allows the derivation of a model that can be used for classification of existing or new production processes for silver nanoparticles in preference-ordered classes on the basis of the principles of green chemistry.
Highlights
The need to steer the development of the synthesis of nanomaterials towards more sustainable practices is a pressing issue for the future of nanotechnology.[1,2,3,4,5,6,7,8] Presently, a lot of synthesis protocols for nanomaterials are based on existing industrial processes, which were developed with little consideration for sustainability
The main aim of this paper is to show that the Multiple Criteria Decision Aiding (MCDA) process can make a substantial contribution to supporting decision-making in the governance of silver nanoparticle synthesis
The rules obtained with Dominance-based Rough Set Approach (DRSA) highlight the assumptions that the experts made in their choices, which pose the basis for directing future quantitative assessment of green synthesis of silver nanoparticles
Summary
The need to steer the development of the synthesis of nanomaterials towards more sustainable practices is a pressing issue for the future of nanotechnology.[1,2,3,4,5,6,7,8] Presently, a lot of synthesis protocols for nanomaterials are based on existing industrial processes, which were developed with little consideration for sustainability. Typical conditions include the use of high pressures and temperatures and the use of toxic chemicals.[2] Laser ablation, hydrothermal and solvothermal processes and colloidal methods are some popular choices.[9,10] A wide variety of techniques have been proposed to produce metal nanoparticles, including chemical reduction,[11,12,13] electrochemical and. There have been calls for the development of nanomaterials on the basis of the principles of green chemistry[21] and engineering,[22] and in consequence, a variety of studies have emerged.[6,21,23,24,25] Some of the proposed solutions are based on the substitution of reagents with more benign counterparts such as supercritical fluids and solvent-free techniques.[5,6] In this regard, a lot of interest has been placed on developing a more environmentally friendly synthesis for silver nanoparticles due to the wide variety of potential applications that these nanomaterials can enhance, including biosensor materials, composites, cosmetics, antimicrobial applications and electronic appliances.[26]
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