Review. Solvothermal Processes: Definition, Key Factors Governing the Involved Chemical Reactions and New Trends

Abstract

Solvothermal processes are defined, and the different domains of applications are described. The main physico-chemical factors playing a key role in such processes are then analyzed. The trends characterizing the current development of solvothermal processes are outlined.

Chemical synthesis of Cu 2 SnS 3 (CTS) nanoparticles: A status review

“…4). This reaction is accomplished by applying temperature and pressure [44]. The pressure is selfgenerated as it increases with temperature and depends upon the percentage fill of the vessel and quantity of dissolved salts [45].…”

“…Many factors such as chemical property of solvent, composition, structure of solvent precursors, chemical properties of additives, pH, temperature and time govern the solvothermal process [44]. Solvents control the concentration of chemical species and modify the structure.…”

Mechanism of Reduced Sintering Temperature of Al2O3–ZrO2 Nanocomposites Obtained by Microwave Hydrothermal Synthesis

“…Variations in these attributes can significantly affect the properties of final products [25]. Furthermore, using MHS for the production of ZrO 2 –Al 2 O 3 nanopowders may lead to the isolation of t-ZrO 2 in the alumina matrix in these materials, and thus to the reduction of aggregation.…”

Uranyl Ion Complexes of Polycarboxylates: Steps towards Isolated Photoactive Cavities

“…Here, tubular complexes as found with selenates [71,72] and phosphonates [52][53][54][55] as well as with polycarboxylates such as tricarballylate [112], iminodiacetate [69] and phenylenediacetates [68], would also be of interest, especially if a better understanding of metal ion quenching of uranyl ion luminescence in solids could be attained, since many tubular systems are those involving heterometallic species [47]. As solvothermal synthesis [113,114] is widely applied for the isolation of crystalline uranyl ion complexes, another need is for more data concerning kinetics and equilibria of complex formation under conditions of high temperature and pressure, particularly in mixed solvents. Finally, it is essential to note that the crystal structures of known uranyl ion complexes are frequently seen [115][116][117][118] to be sensitive to a wide range of weak interactions, so that the supramolecular behaviour of a bound ligand is a crucial aspect of its design but one yet to be mastered.…”