Abstract
Molybdenum disulfide (MoS2) is a promising transition metal dichalcogenide (TMD) that has exceptional electronic, magnetic, optical, and mechanical properties. It can be semiconducting, superconducting, or an insulator according to its polymorph. Its bandgap structure changes from indirect to direct when moving towards its nanostructures, which opens a door to bandgap engineering for MoS2. Its supercapacitive and catalytic activity was recently noticed and studied, in order to include this material in a wide range of energy applications. In this work, we present MoS2 as a future material for energy storage and generation applications, especially solar cells, which are a cornerstone for a clean and abundant source of energy. Its role in water splitting reactions can be utilized for energy generation (hydrogen evolution) and water treatment at the same time. Although MoS2 seems to be a breakthrough in the energy field, it still faces some challenges regarding its structure stability, production scalability, and manufacturing costs.
Highlights
MoS2 is one of the transition metal dichalcogenides (TMDs) that has gained a high reputation in recent years due to its distinct chemical, electronic, mechanical, magnetic, and optical properties [1,2]
We presented MoS2 as a future material for energy applications
Its photocatalytic and electrocatalytic properties and its structure have paved the way to its use in energy storage devices and energy generation reactions
Summary
MoS2 is one of the transition metal dichalcogenides (TMDs) that has gained a high reputation in recent years due to its distinct chemical, electronic, mechanical, magnetic, and optical properties [1,2]. MoS2 exists in different crystalline structures, such as hexagonal (H), tetrahedral (T), or rhombohedral (R) It naturally exists as 2H MoS2, and its most popular structures are the semiconducting 2H and 3R phases and the 1T metallic phase, where 2H is more stable but less conductive than 1T. MoS2 is expected to substitute silicon in the electronics industry in the nano era [4,5,6,7] and has attracted attention to be used in energy applications [8,9]. Sis, research is directed towards it because of its high conductivity, which renders it pro3mof-20 ising for energy storage applications, such as its use in supercapacitors [40,41] and batteries [42,43,44]. W hehnetnhethperpocroescsesiss icsacrrairerdiedouotuitninwawteart,eri,t iitsiscaclalelldeda a ha5sc6yshshtaa]odoos;lyoarllhbwdavvobeoroottleowoehuttvthhpeshetereeo-ervedm,rrdremmbhomraieewn,aalarhulltneelete,stntemceewreehccedcrehehn,hgtniwninahynqiriioqequqeaedupuueamne,apeere.aoen.,lrinDardDgcmendayiisfcdtofofwifoareoelwpneurhnrecpehtescneinloneooirttncnnnniwawtc-eitbatedioiosaroilrsnwrascnkkereocssigdsodtndheonddtwinedstsiueccscuiachacctucthhulnletesnaseisd.tqsrdieeWqgeuwcdwudeheeitesntishtwsthhaciheqtasienhluanllsoeaabeoof.ntbosonmWh-ocv-tauaaveheqevqseaouteuwteofteeceanhtoihohclalullhunoeivstfnwsiebhoqsisoicquoacuoutuoletlmlvsovssoeetmeswoiinnnaoni-tntnnucsdsdlo,p,iiedtinsiatthtettatreitieiieasuacslrnhiscmcc[lcda5naa[al1lil5ailaqll–oeea1tru5iddnb–eo6elnase];. inAtedrcdailtaiotinoanllays, awteopw-dillowfoncums eotnhothdeansydnstohleustiisonof-btahsee1dTteMchonSi2qupehsaases ssoinmcee othf itsheisbtohtetommo-st used in energy applications due to its high conductivity
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