1. Crystal Framework uye Split Anisotropy
1.1 Iyo 2H uye 1T Polymorphs: Architectural uye Digital Duality
(Molybdenum disulfide)
Molybdenum disulfide (MoS ₂) is split shift metal dichalcogenide (TMD) ine kemikari formula inoumbwa neatomu imwe chete yemolybdenum yakaiswa pakati 2 maatomu esarufa mune trigonal prismatic sychronisation, kugadzira zvakabatana zvakabatanidzwa S– Mo– S mapepa.
Aya ega ega monolayers akaturikidzana kumusoro uye pasi uye anobatwa pamwe chete neasina simba van der Waals kumanikidzwa, zvichiita kuti interlayer shear uye exfoliation yakapfava kuti atomically slim two-dimensional (2D) makristasi– chimiro chechimiro chikuru kune akasiyana mabasa ayo anoshanda.
MoS mbiri iripo mune akati wandei polymorphic marudzi, iyo yakanyanya kuchengetedzeka thermodynamically kuve iyo semiconducting 2H chikamu (hexagonal balance), apo imwe neimwe layer inoratidza bhendi rakatwasuka re ~ 1.8 eV mune monolayer mhando inoshandura kuenda kune isina kunanga bandgap (~ 1.3 eV) muhuwandu, kunzwa kwakakosha kune optoelectronic application.
Pane rimwe divi, iyo metastable 1T chikamu (tetragonal chikamu) inombundira octahedral sychronisation uye inoita sesimbi conductor nekuda kwekupihwa kweelectronic kubva kumaatomu esarufa., kugonesa maapplication mu electrocatalysis uye conductive composite.
Kuchinja kwechikamu pakati pe2H ne1T kunogona kukwezvwa nekemikari, electrochemically, kana kuburikidza nedhizaini yekusimbisa, kupa tunable sisitimu yekugadzira multifunctional zvishandiso.
Iko kugona kutsigira uye kutevedzera zvikamu izvi munzvimbo mukati meimwe flake inovhura nzira dzemu-ndege heterostructures ine akasiyana emagetsi madomasi..
1.2 Kukanganisa, Doping, uye Side States
Kushanda kweMoS mbiri mune inokonzeresa uye yedhijitari maapplication inotarisisa zvakanyanya kune atomic-scale nyaya uye dopants..
Inherent point kukanganisa senge sulfur jobs inoshanda sevanopa ma electron, kusimudza n-mhando conductivity uye kuita seanoshanda mawebhusaiti emhinduro dzekuvandudza hydrogen (HER) mukutsemuka kwemvura.
Miganho yezviyo uye matambudziko emitsara anogona kukanganisa kutakurwa kwemutengo kana kugadzira nzira dzemuno, zvichienderana nekugadzwa kwavo kweatomu.
Regulated doping neshift steels (e.g., Re, Nb) kana chalcogens (e.g., Se) inogonesa kugadzirisa zvakanaka kwebhandi chimiro, service provider concentration, uye spin-orbit coupling mhinduro.
Zvinokosha, kumucheto kweMoS maviri nanosheets, kunyanya simbi Mo-kuguma (10– 10) mativi, ratidza chiitiko chepamusoro chepamusoro pane inert basal ndege, kukurudzira dhizaini ye nanostructured madhiraivha ane akashandisa zvakanyanya edge yakananga kuratidzwa.
( Molybdenum disulfide)
Aya masisitimu akaremara-engineered anonyatsoratidza kuti maatomic-level manipulation anogona sei kushandura chicherwa chinoitika chega kuita chigadzirwa chinoshanda chepamusoro..
2. Synthesis uye Nanofabrication Strategies
2.1 Yakawanda uye Yakaonda-Mafirimu Manufacturing Techniques
Natural molybdenite, iyo mineral type yeMoS ₂, yave ichishandiswa kwemakore semafuta akasimba, zvisinei zvikumbiro zvemazuva ano zvinoda kuchena kwepamusoro, zvimiro zvakadzorwa mafomu ekugadzira.
Chemical vapor deposition (CVD) ndiyo inotonga nzira yekugadzira yakakura-nzvimbo, high-crystallinity monolayer uye mashoma-layer MoS ₂ mafirimu pane substrates seSiO TWO/ Si, safiri, kana flexible polymers.
MuCVD, molybdenum uye sulfur precursors (e.g., MoO ina uye S hupfu) anopeperetswa pakupisa (700– 1000 °C )mukudzora mamiriro ekunze, zvichiita kuti zvikwanise kukura-ne-layer kukura ne tunable domain saizi uye kutaridzika.
Mechanical peeling (“scotch tepi nzira”) inoramba iri chiyero chemienzaniso yegiredhi rekutsvaga, kugadzira ma-monolayers e-ultra-clean ane kukanganisa, kunyange zvazvo isina scalability.
Liquid-phase peeling, kusanganisira sonication kana shear kusanganiswa kwemakristasi akawanda musolvents kana surfactant remedies, inogadzira colloidal dispersions yeashoma-layer nanosheets akakodzera ma layer, makemikari, uye ink formulations.
2.2 Heterostructure Assimilation uye Tool Patterning
Mukana chaiwo weMoS ₂ unomuka kana wabatanidzwa mukati chaimo kana padivi heterostructures nezvimwe zvinhu zve2D zvakaita segraphene., hexagonal boron nitride (h-BN), kana WSe maviri.
Aya van der Waals heterostructures anoita kuti zvikwanisike kugadzirwa kweatomu chaiyo yemagetsi., inosanganisira tunneling transistors, photodetectors, uye chiedza-emitting diodes (LEDs), uko interlayer charge uye kuendesa simba kunogona kugadzirwa.
Lithographic patterning uye etching nzira dzinogonesa kugadzirwa kwenanoribhoni, quantum dots, uye munda-effect transistors (FETs) ine network kureba kusvika kumakumi ema nanometers.
Dielectric encapsulation ine h-BN inochengetedza MoS ₂ kubva mukuparadzwa kwe ecological uye inoderedza kuchaja kuparadzira., kuvandudza zvakanyanya mafambiro evanopa uye kugadzikana kwegajeti.
Aya mabhindauko ekugadzira akakosha pakushandura MoS ₂ kubva murabhu kufarira kuenda kuchikamu chinogoneka muchizvarwa chinotevera nanoelectronics..
3. Hunhu Hunoshanda uye Muviri Mechanisms
3.1 Tribological Habits uye Solid Lubrication
Pakati pechinyakare uye chisingaperi chekushandisa kweMoS mbiri yakaita semafuta akaomarara mumhepo yakanyanyisa apo mafuta emvura anokundikana.– zvakadai sevacuum cleaner, tembiricha dzakakwirira, kana matambudziko cryogenic.
Iyo yakaderedzwa interlayer shear stamina yevan der Waals nzvimbo inogonesa kutsvedza kuri nyore pakati peS– Mo– S layers, zvichikonzera coefficient yekukwesha seyakaderedzwa se0.03– 0.06 mumamiriro ezvinhu akanaka.
Kuita kwayo kunowedzerwa nekunamira kwakasimba kunzvimbo dzesimbi uye kuramba kune oxidation kusvika ~ 350 ° C mumhepo, kupfuura iyo MoO ₃ kuumbwa kunowedzera kupfeka.
MoS ₂ inowanzo shandiswa mumasisitimu emuchadenga, vacuum pombi, uye nhengo dzepfuti, chinowanzo shandiswa sechifukidziro kuburikidza nekupisa, kupfira, kana kusanganisa kubatana kuita polymer matrices.
Tsvagiridzo dzazvino dzinoratidza kuti hunyoro hunogona kukanganisa lubricity nekuwedzera interlayer adhesion, Kukurudzira kudzidza mu hydrophobic layers kana crossbreed lubricating substances kuitira zvirinani kuchengetedzwa kwezvakatipoteredza.
3.2 Digital uye Optoelectronic Reaction
Senge yakananga-gap semiconductor mune monolayer fomu, MoS ₂ inoratidza kutaurirana kwakasimba-nyaya, pamwe neabsorption coefficients inopfuura 10 ⁵ masendimita ⁻¹ uye yakakwira quantum goho muphotoluminescence.
Izvi zvinoita kuti ive yakanaka kune ultrathin photodetectors ine kukurumidza kuita nguva uye Broadband senitivity, kubva pakuonekwa kusvika pedyo-infrared wavelengths.
Field-effect transistors yakavakirwa pane monolayer MoS maviri anoratidza pa/kudzima zviyero > 10 sere uye sevhisi mupi anochinja anenge 500 masendimita ²/ V · s mumasampuli akamiswa, kunyangwe substrate kutaurirana kunowanzo dzikamisa kukosha ku1– 20 masendimita MBIRI/ V · s.
Spin-valley kusanganisa, repercussion of solid spin-orbit interaction uye busted inversion chikamu, inoita kuti zvive nyore kune valleytronics– yakasarudzika mwero weruzivo rwekunyora kushandisa iyo balley degree rerusununguko mukamuri resimba.
Aya quantum sensations anoisa MoS ₂ semumiriri wepasi-simba logic, ndangariro, uye quantum komputa zvinhu.
4. Applications in Power, Catalysis, uye Arising Technologies
4.1 Electrocatalysis yeHydrogen Advancement Response (HER)
MoS mbiri yatove nzira inokurudzira isiri-yakakosha kune platinamu mumhinduro yekusimudzira yehydrogen. (HER), chirongwa chakakosha mumvura electrolysis kune zvakatipoteredza-hushamwari hydrogen kugadzirwa.
Nepo iyo yekutanga ndege iri catalytically inert, nzvimbo dzekumucheto uye mabasa esarufa anoratidza padyo-yakanyanya hydrogen adsorption yemahara simba (ΔG_H * ≈ 0), kuenzaniswa nePt.
Nanostructuring nzira– sekugadzira nanosheets dzakatwasuka, akaremara-akapfuma mafirimu, kana doped hybrids neNi kana Co– tora mukana wakazara weanoshanda saiti ukobvu uye magetsi conductivity.
Kana yakasanganiswa muma electrode ane conductive zvinotsigira senge kabhoni nanotubes kana graphene, MoS mbiri inowana ukobvu hwazvino uye kuchengetedzeka kusingaperi pasi pemamiriro e acidic kana asina kwaakarerekera.
Kumwe kusimudzira kunoitwa nekuchengetedza simbi 1T nhanho, iyo inowedzera intrinsic conductivity uye inoratidza mamwe mawebhusaiti anoshanda.
4.2 Inochinjika Electronics, Sensors, uye Quantum Devices
The mechanic versatility, pachena, uye yakakwira pamusoro-kusvika-vhoriyamu chikamu cheMoS mbiri inoita kuti ive yakakodzera kune inochinjika uye inopfeka zvemagetsi.
Transistors, logic circuits, uye ndangariro magajeti akaratidzwa pamapurasitiki substratums, kugonesa bendable kuratidza skrini, zviratidzo zvehutano, uye IoT sensors.
MoS ₂-based gas sensors inoratidza kunzwisiswa kwakanyanya kuNO ₂, NH ZVITATU, uye H TWO O nekuda kwekufambiswa kwebhiri pane molecular adsorption, nenguva dzemhinduro mu sub-second siyana.
Muhuwandu hwemazuva ano matekinoroji, MoS ₂ inobata maexcitons emunharaunda uye trions pamazinga ekushisa ecryogenic, uye strain-induced pseudomagnetic nzvimbo dzinogona kuteya vanopa masevhisi, kubvumira single-photon emitters uye quantum dots.
Uku kukura kunosimbisa MoS mbiri kwete sechinhu chinobatsira asi senzira yekuongorora yakakosha fizikisi mune yakadzikira zviyero..
Mukudzokorora, molybdenum disulfide inoratidza kubatanidzwa kwechinyakare zvigadzirwa zvesainzi tsvagiridzo uye quantum dhizaini..
Kubva pachinzvimbo chayo chekare sechinhu chekuzora kusvika pakuiswa kwayo kwemazuva ano mumaatomu matete emagetsi emagetsi uye masisitimu emagetsi., MoS mbiri inoenderera mberi nekutsanangurazve miganho yezvinogoneka mune nanoscale zvinhu dhizaini.
Sezvo synthesis, characterization, uye kusimudzira nzira dzekusimudzira, kushanda kwayo mukati mekutsvakurudza kwesainzi uye tekinoroji yemazuva ano yakamisikidzwa kuti iwedzere zvakanyanya.
5. Distributor
TRUNNANO inogadzira inozivikanwa pasi rose Molybdenum Disulfide uye mutengesi wekomboni ine zvinopfuura. 12 makore ehunyanzvi mumhando yepamusoro nanomaterials nemamwe makemikari. Iyo kambani inogadzira zvakasiyana-siyana zvehupfu zvinhu uye makemikari. Ipa OEM sevhisi. Kana iwe uchida yepamusoro mhando Molybdenum Disulfide, ndapota inzwa wakasununguka kutibata nesu. Unogona kudzvanya pachigadzirwa kuti ubate nesu.
Tags: Molybdenum disulfide, nano molybdenum disulfide, MoS2
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