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Sonochemistry: From basic principles to innovative applications
Articles in Focus
Enjoy free access to selected articles from our recently completed topical collections.
Article 1: Synthesis of Photoactive Materials by Sonication: Application in Photocatalysis and Solar Cells
by Juan C. Colmenares, Ewelina Kuna, Paweł Lisowski
In recent years, a good number of methods have become available for the preparation of an important group of photoactive materials for applications in photocatalysis and solar cells. Nevertheless, the benefits derived from preparing those materials through unconventional approaches are very attractive from the green chemistry point of view. This critical review work is focused on sonication as one of these promising new synthetic procedures that allow control over size, morphology, nanostructure and tuning of catalytic properties. Ultrasound-based procedures offer a facile, versatile synthetic tool for the preparation of light-activated materials often inaccessible through conventional methods.
Article 2: Synergy of Microfluidics and Ultrasound
by David Fernandez Rivas, Simon Kuhn
A compact snapshot of the current convergence of novel developments relevant to chemical engineering is given. Process intensification concepts are analysed through the lens of microfluidics and sonochemistry. Economical drivers and their influence on scientific activities are mentioned, including innovation opportunities towards deployment into society. We focus on the control of cavitation as a means to improve the energy efficiency of sonochemical reactors, as well as in the solids handling with ultrasound; both are considered the most difficult hurdles for its adoption in a practical and industrial sense. Particular examples for microfluidic clogging prevention, numbering-up and scaling-up strategies are given. To conclude, an outlook of possible new directions of this active and promising combination of technologies is hinted.
Dr. Gregory Chatel
Dr. Gregory Chatel received his PhD degree in 2012 from the Université de Grenoble (France) under the supervision of Prof. M. Draye and Prof. B. Andrioletti. He particularly developed and fundamentally studied a sonochemical method involving ionic liquids for the epoxidation of various alkenes. In 2013, he joined Prof. R. D. Rogers’ group at The University of Alabama (USA) at the Center for Green Manufacturing as a postdoctoral research fellow. His research was focused on the application of ionic liquids in green chemistry, separation and biomass processing. At the end of 2013, Dr. Chatel joined the Institut de Chimie des Milieux et Matériaux de Poitiers (IC2MP) as an Assistant Professor of the Université de Poitiers (France) to develop a biomass valorization program based on non-conventional media/techniques, in particular via sonochemistry. In 2014, he became the first president of the French national Young Chemists’ Network (RJ-SCF) of the French Chemical Society. In 2016, he joined the Laboratoire de Chimie Moléculaire et Environnement (LCME) of the Université Savoie Mont Blanc (France) to develop his work in organic sonochemistry through new original processes and applications.
Université Savoie Mont Blanc
Laboratoire de Chimie Moléculaire et Environnement (LCME)
Laboratory of Molecular Chemistry and Environment (LCME)
UFR Sciences et Montagne (SceM)
Faculty of Sciences and Mountain (SceM)
Prof. Dr. Juan Carlos Colmenares Q.
Prof. Dr. Juan Carlos Colmenares Q. is graduated from Warsaw University of Technology (Chem.Eng.1995) and obtained his M.Sc. (1997) in Catalysis for Organic Technology and Ph.D. (2004) in Chemical and Material Sciences from the same University, and the scientific degree of habilitation (D.Sc. 2015) from the Institute of Physical Chemistry of the Polish Academy of Sciences in Poland. His interests range from materials science, nanotechnology and heterogeneous catalysis to biomass/CO2 valorisation, solar chemicals, sonication, photocatalysis and water/air purification. After obtaining his Ph.D., he worked at the University of Cordoba, Spain (2005-2006) in Prof. Marinas’s group as a post-doctoral fellow and at the University of Southern California, Los Angeles (USA) (2006-2009) in Prof. G.A. Olah (Nobel Prize in Chemistry) group as a post-doctoral research associate. He is a Marie Skłodowska-Curie Fellow. He is serving as expert evaluator for many important scientific journals/institutions, chemical companies (Colombia, USA, Poland, Spain) and member of the Editorial Advisory Board of Sustainable Chemical Processes journal (Chemistry Central-Springer). He has co-authored more than 60 works in international scientific journals and books, and filed three patent applications. Presently he is working as an Associate Professor at the Institute of Physical Chemistry of the Polish Academy of Sciences in Poland.
Institute of Physical Chemistry
Polish Academy of Sciences (PAS)