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The recent progress in the development of Fe3O4 based electrodes for supercapacitors is summarized and discussed.

Recently, two-dimensional (2D) layered transition metal dichalcogenides (TMD) have received a notable amount of interests due to its fascinating properties and versatile potential applications. One such material is Molybdenum Disulfide (MoS2), which has unique, superior functional properties including high current-carrying capacity and large carrier mobility which has drawn interest in many emerging fields. Especially, MoS2 quantum dots (QDs) are being fascinated for various applications such as electrocatalytic activity in hydrogen evolution reaction, sensing and bioimaging. In this review, we will take 2D TMD MoS2 QDs as a typical example and discuss its latest research advancement with emphasis on synthesis and applications.

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