Design, synthesis and application of two-dimensional metal tellurides as high-performance electrode materials

Abstract

Multifunctional electrode materials with inherent conductivity have attracted extensive attention in recent years. Two-dimensional (2D) metal telluride nanomaterials are more promising owing to their strong metallic properties and unique physical/chemical merits. In this review, recent advancements in the preparation of 2D metal tellurides and their application in electrode materials are presented. First, the most available preparation methods, such as hydro/solvent thermal, chemical vapor deposition, and electrodeposition, are summarized. Then, the unique performance of metal telluride electrodes in capacitors, anode materials of Li/Na ion batteries, electrocatalysis, and lithium-sulfur batteries are discussed. Finally, significant challenges and opportunities in the preparation and application of 2D metal tellurides are proposed.

Breaking AgInTe2 Quantum Dot Chain to Fabricate AgInTe2–ZnS Janus Nanocrystals

“…On the contrary, it has been illustrated recently that the structure and reactivity of Te in the whole chalcogenide family are quite different from those of others . It is worth mentioning that despite growing interest in Te-based materials owing to their excellent intriguing properties such as charge transport, thermo/piezo electricity, and fast photoresponse, their practical applications are still limited due to their inevitable surface oxidation. − Therefore, a clear understanding of the fundamental Te chemistry is of the utmost importance for the development of new structures and novel applications. In a nutshell, tellurium has four unique properties in the chalcogenide family (Figure ): (i) highest stability in the higher oxidation state (e.g., Te 4+ ), (ii) highest electropositivity, (iii) anisotropic nature, and (iv) tendency toward heterostructure formation that makes it “maverick” in the chalcogenide series .…”