The rapid size- and shape-controlled continuous hydrothermal synthesis of metal sulphide nanomaterials

Abstract

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Understanding bottom-up continuous hydrothermal synthesis of nanoparticles using empirical measurement and computational simulation

“…However, over the last 10 years, researchers have had considerable success synthesizing a wider range of materials, including metals [14], spinel materials [15], sulfides [16,17], hydroxides [18,19], phosphates [20], nitrides [21], and more complex materials such as metal organic frameworks [22]. Figure 1 shows a range of particles from metals to oxides to sulfides that were synthesized during the SHYMAN project, which funded this research work.…”

Copper sulfide nanoparticles: from synthesis to biomedical applications

“…By varying the reaction conditions, two mechanisms may be involved in the synthesis process: a growth dominated route which permits the formation of nanostructured sulphide materials, and a nucleation driven process which produces NPs with temperature dependent size control. Consequently, this method offers a viable route to construct a wide range of metal sulphide NPs with flexible size and shape control [14].…”

The sequential continuous-flow hydrothermal synthesis of molybdenum disulphide

“…15 Here we extend this work to the synthesis of molybdenum disulphide tangled nanosheets through a series of reactions carried out in flow. The rapid nature of the CFHS technique, coupled with a modular reactor design, has allowed us 70 to elucidate and control the steps involved in the hydrothermal production of molybdenum disulphide by a continuous, scalable process.…”

“…With fast reaction times and flexibility the continuous flow hydrothermal system allowed MoS 2 to be produced in a stepwise fashion, offering an insight into the mechanism involved. It has been found that the synthesis of MoS 2 proceeded via the sulphidation of molybdate anions to 15 thiomolybdate species, which are transformed to amorphous MoS 3 by acidification in flow, before further hydrothermal treatment decomposes this amorphous precursor to tangled MoS 2 nanosheets.…”