From Bulk Molybdenum Disulfide (MoS2) to Suspensions of Exfoliated MoS2 in an Aqueous Medium and Their Applications

Ruchi Aggarwal, Deepika Saini, Richa Mitra, Sumit Kumar Sonkar (Corresponding Author), Amit Kumar Sonker (Corresponding Author), Gunnar Westman (Corresponding Author)

Research output: Contribution to journalReview Articlepeer-review

2 Citations (Scopus)

Abstract

Two-dimensional (2D) layered materials like graphene, transition-metal dichalcogenides (TMDs), boron nitrides, etc., exhibit unique and fascinating properties, such as high surface-to-volume ratio, inherent mechanical flexibility and robustness, tunable bandgap, and high carrier mobility, which makes them an apt candidate for flexible electronics with low consumption of power. Because of these properties, they are in tremendous demand for advancement in energy, environmental, and biomedical sectors developed through various technologies. The production and scalability of these materials must be sustainable and ecofriendly to utilize these unique properties in the real world. Here, in this current review, we review molybdenum disulfide (MoS 2 nanosheets) in detail, focusing on exfoliated MoS 2 in water and the applicability of aqueous MoS 2 suspensions in various fields. The exfoliation of MoS 2 results in the formation of single or few-layered MoS 2. Therefore, this Review focuses on the few layers of exfoliated MoS 2 that have the additional properties of 2D layered materials and higher excellent compatibility for integration than existing conventional Si tools. Hence, a few layers of exfoliated MoS 2 are widely explored in biosensing, gas sensing, catalysis, photodetectors, energy storage devices, a light-emitting diode (LED), adsorption, etc. This review covers the numerous methodologies to exfoliate MoS 2, focusing on the various published methodologies to obtain nanosheets of MoS 2 from water solutions and their use.

Original languageEnglish
Pages (from-to)9855–9872
Number of pages18
JournalLangmuir
Volume40
Issue number19
DOIs
Publication statusPublished - 30 Apr 2024
MoE publication typeA2 Review article in a scientific journal

Funding

A.K.S. and G.W. acknowledge funding from Excellence Initiative Leader (EI Leader) within Nano Research in Chalmers University of Technology. R.A. thanks MNIT Jaipur for the doctoral fellowship, D.S. thanks DST, India (IF180133) for Inspire doctoral fellowship, and S.K.S. thanks DST (DST-SERB EEQ/2021/000830) for funding. R.M acknowledges funding from AOA Material Science in Chalmers University of Technology. G.W. and A.K.S. acknowledge funding from the Knut and Alice Wallenberg Foundation (KAW) through the Wallenberg Wood Science Center. WWSC 2.0: KAW 2018.045

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