1. Ta'iala Taua ma Uiga Quantum o Molybdenum Disulfide
1.1 Fa'ailoga tioata ma le fa'apipi'i fa'apipi'i
(Molybdenum Disulfide Powder)
Molybdenum disulfide (MoS LUA) o se suiga uamea dichalcogenide (TMD) lea ua avea ma oloa maatulimanu i talosaga tau alamanuia e le tumau ma nanotechnology fou.
I le tulaga atomika, MoS ₂ fa'a tioata i totonu o se fa'ava'a fa'apipi'i lea e iai vaega ta'itasi o se va'alele o molybdenum atoms fa'apipi'iina i le va o va'alele e lua o le sulfur atoms., atiina ae se S– Mo– S trilayer.
O nei ta'i tolu o lo'o taofia le tasi ma le isi e 'au vaivai van der Waals, fa'afaigofie ona sele i le va o fa'afa'ata'amilo– o se fale e faavae ai lona lubricity tulaga ese.
Ole vaega pito sili ona saogalemu ole thermodynamic ole 2H (fa'afaono) vaega, lea e semiconducting ma fa'aalia ai se gap tuusa'o ile ituaiga monolayer, fesuia'i i se fa'aupuga fa'a'au'au fa'atasi.
O lenei aafiaga quantum arrest, o mea fa'akomepiuta e suia tele i le mafiafia, faia le MoS ₂ ose faiga mamanu mo su'esu'ega lua-itu (2D) oloa i tua atu o graphene.
Ae o lesi foi itu, le masani 1T (tetragonal) vaega ole u'amea ma metatable, e masani ona gaosia e ala i vailaʻau poʻo fesoʻotaʻiga eletise, ma e maualuga le tului mo le fa'aogaina ma le fa'aogaina o avanoa e teu ai le malosi.
1.2 Fa'atonuga Fa'aigoa Fa'aigoa ma Manatu Fa'aaliga
O mea fa'akomepiuta nofomau a le MoS ₂ e matua'i fa'alagolago lava ile itu, avea ma faiga fa'apitoa mo le su'esu'eina o fa'ailoga fa'atusa i faiga fa'aletonu.
I le tele ituaiga, MoS ₂ o loʻo galue o se semiconductor bandgap le tuusao ma se fusi faʻapipiʻi e tusa 1.2 eV.
Peitai, pe a manifinifi i lalo i se vaega atomika se tasi, a'afiaga quantum confinement e mafua ai se suiga ile va sa'o o le popole 1.8 eV, o lo'o i le K-point o le sone Brillouin.
O lenei suiga e mafai ai ona maua le malosi o le photoluminescence ma le faʻatuatuaina o fesoʻotaʻiga malamalama, faia le monolayer MoS ₂ sili ona talafeagai mo masini optoelectronic e pei o photodetectors, diodes moli (LED), ma sela la.
O lo'o fa'aalia e fusi fa'aola ma valence le tu'ufa'atasiga fa'avili-orbit, mafua ai le fisiki fa'alagolago i vanu lea e mafai ai ona fa'apitoa le fa'aogaina o le K ma le K 'vanu i le vateatea i le fa'aogaina o le malamalama fa'ata'amilomilo.– ose mea e ta'ua o le vanu Hall aafiaga.
( Molybdenum Disulfide Powder)
O lenei valleytronic tomai e tatalaina ai auala fou mo faʻamatalaga faʻamatalaga ma faʻatautaia masini faʻaeletonika masani masani..
E lē gata i lea, MoS ₂ o loʻo faʻaalia ai aafiaga faʻamalosi malosi i le maualuga o le vevela o le eria ona o le faʻaitiitia o suʻesuʻega dielectric i le ituaiga 2D., fa'atasi ai ma le malosi fa'atasi e o'o atu i le selau meV, e sili atu nai lo i latou i semiconductors masani.
2. Fa'atekonolosi Fa'atekonolosi ma Fuafuaga Fa'atekonolosi
2.1 Fa'asagaga i luga-I lalo ma le Nanoflake
O le faʻaesea o le monolayer ma nai-layer MoS lua na amata i le faʻaogaina o masini, se ta'iala fa'atusa i le “Fa'alatalata sikoti” faʻaaogaina mo graphene.
O lenei metotia e toe fa'afo'i mai ai ni pa'epa'e sili ona lelei ma ni fa'aletonu laiti ma ni fale fa'aeletoroni lelei tele, lelei atoatoa mo suʻesuʻega faʻavae ma faʻataʻitaʻiga masini faufale.
Ae ui i lea, fa'amama fa'ainisinia e masani lava fa'atapula'a i le scalability ma le pulea itu itu, fa'apena ona le talafeagai mo fa'aoga tau alamanuia.
Ina ia foia lenei mea, o le vai-vaega exfoliation ua moni lava atiina ae, o lo'o fa'asalalauina ai le tele o le MoS lua i solvents po'o vaila'au fa'afefe ma fa'avae i luga o le ultrasonication po'o le shear blending.
O lenei metotia e maua mai ai le faʻamalologa o nanoflakes e mafai ona faʻafeiloaʻi e ala i le faʻapipiʻiina, lomitusi vaitusi, po'o le fa'auma fa'auma, fa'aagaaga o fa'aoga fa'atūlaga tetele e pei o masini fa'aeletonika fe'avea'i ma fa'alava.
Le tele, mafiafia, ma le mafiafia sese o fasipepa olo e fa'alagolago ile faiga ole faiga, e aofia ai taimi sonication, filifiliga solvent, ma le saoasaoa centrifugation.
2.2 Atina'e i lalo-I luga ma le fa'aputuina o ata manifinifi
Mo talosaga e mana'omia la'ei, ata tifaga tetele, fa'aputuga ausa vaila'au (CVD) ua i'u lava i le avea ma ta'ita'i a'oa'oga tu'ufa'atasia mo tupe fa'aalu MoS lua fa'avae.
I le CVD, molybdenum ma le sulfur precursors– pei ole molybdenum trioxide (MoO ₃) ma le pauta sulfur– e fa'asao ma fa'afefe i luga o mea fa'amafanafana e pei o le silicon dioxide po'o le safaira i lalo o si'osi'omaga fa'atonutonu..
E ala i le fa'aogaina o le vevela, atuatuvale, tau fe'avea'i o kesi, ma le malosi vaega i luga ole eleele, e mafai e saienitisi ona fa'atupuina solo fa'asolo po'o fa'aputu fa'aputu fa'atasi ma fa'atonu le tele o igoa ole igoa ma le tioata..
O isi metotia e aofia ai le fa'aputuina o le atomika (ALD), lea e maua ai le pule mafiafia maualuga i le tikeri angstrom, ma le teuina o ausa faaletino (PVD), e pei o le tausuai, lea e fetaui ma fale gaosi semiconductor o iai nei.
O nei metotia fa'afuafua e taua tele mo le tu'ufa'atasia o le MoS e lua i totonu o masini fa'akomepiuta ma optoelectronic system, lea e matua taua tele ai le lotogatasi ma le toe gaosia.
3. Tribological Efficiency ma Alamanuia Lubrication Applications
3.1 Faiga ole Lubrication Solid-State
One of the oldest and most extensive uses MoS ₂ is as a strong lubricant in atmospheres where fluid oils and oils are inadequate or unwanted.
The weak interlayer van der Waals forces allow the S– Mo– S sheets to slide over one another with very little resistance, resulting in a really reduced coefficient of rubbing– normally in between 0.05 ma 0.1 in dry or vacuum problems.
This lubricity is particularly beneficial in aerospace, vacuum systems, and high-temperature equipment, where traditional lubricants might vaporize, oxidize, or weaken.
MoS ₂ can be applied as a dry powder, bound coating, or dispersed in oils, greases, and polymer compounds to boost wear resistance and minimize friction in bearings, equipments, and gliding calls.
O lona malosi e faʻateleina atili i totonu o siosiomaga susu ona o le faʻapipiʻiina o vaega vai e galue o ni lubricants mole i le va o laulau., e ui lava o le susu tele e mafai ona mafua ai le faʻamaʻiina ma le faʻaleagaina i le taimi.
3.2 Fa'apipi'i Fa'atasi ma Fa'aleleia Fa'asagaga Fa'alava
MoS ₂ e masani ona aofia i totonu o uʻamea, keramika, ma polymer matrices e gaosia ai mea e fa'aulu ai le tagata lava ia ma fa'alautele le soifua tautua.
I metal-matrix composite, e pei o le MoS ₂-faʻamalosia mama mama alumini poʻo sila, o le vaega lubricant e fa'aitiitia ai fe'ese'esea'iga i tapula'a o saito ma puipuia ai le ofuina o kelu.
I polymer composite, fa'apitoa i palasitika mamanu pei ole PEEK po'o le nylon, O le MoS ₂ e faʻaleleia ai le gafatia o le amo ma faʻaitiitia le faʻaogaina o le feteʻenaʻiga e aunoa ma le lamatia tele o le malosi faʻainisinia.
O nei mea faʻapipiʻi e faʻaaogaina i totonu o laʻau, fa'amaufa'ailoga, ma elemene faasee i totonu o taavale, alamanuia, ma talosaga tau gataifale.
E le gata i lea, O lo'o fa'aaogaina e le vaega'au ma le va'alele o le MoS fa'apipi'i i le plasma po'o le Sputter-deposited., e aofia ai afi vaalele ma masini satelite, e taua tele le fa'atuatuaina i lalo o fa'afitauli ogaoga.
4. Galuega Fa'atupuina ile Malosiaga, Fa'aeletonika, ma Catalysis
4.1 Talosaga i Malosiaga Teuina ma le Liua
I tua atu o lubrication ma mea tau eletise, MoS lua ua maua moni le ta'uta'ua i malosiaga fa'aonaponei tekonolosi, aemaise lava o se mea faʻaosofia mo le tali faʻaleleia o le hydrogen (OIA) i le vai electrolysis.
O nofoaga faʻamalosi malosi o loʻo taoto i tafatafa o le S– Mo– S laulau, lea e fesoasoani le molybdenum ma le sulfur i lalo o le faʻamaopoopoina i le proton adsorption ma le H₂ atinaʻe.
A o le tele o le MoS lua e itiiti le malosi nai lo le platinum, nanostructuring– e pei o le atina'eina o nanosheets fa'asa'o sa'o po'o ni fa'ainisinia fa'aletonu– matua fa'aleleia atili le mafiafia o upega tafa'ilagi malolosi, latalata i le aoga o mea e faaosofia ai elemene e seasea-lalolagi.
O le mea lea ua avea ai le MoS LUA o se tau fa'amalosiau maualalo, eleele-tele filifiliga mo le gaosiga o le hydrogen lanu meamata.
I le avanoa e teu ai le malosi, MoS lua o loʻo suʻesuʻeina e avea o se mea anode i maa lithium-ion ma sodium-ion ona o le maualuga o lona tomai faʻaleaʻoaʻoga. (~ 670 mAh/g mo Li ⁺) ma fausaga fa'apapa e mafai ai ona fa'afeso'ota'i ion.
Peitai, lu'itau e pei o le tuputupu a'e o le voluma i le taimi o le uila ma le itiiti o le eletise e mana'omia auala e pei o le carbon hybridization poʻo le heterostructure development e faʻaleleia ai le taamilosaga ma le tau.
4.2 Tu'ufa'atasiga i Mea Fa'apitoa ma Quantum
Le fetuutuunai masini, manino, ma le semiconducting natura o le MoS lua e avea o se faʻamoemoe sili ona lelei mo le isi augatupulaga fetuutuunai ma faʻaogaina masini eletise..
Transistors faia mai monolayer MoS lua faʻaalia maualuga i luga / tape ratio (> 10 ⁸) ma fealua'i e taua tele e pei o 500 senitimita LUA/ V · s i ituaiga fa'asa'o, fa'aagaoioi va'aiga fa'afuainumera, fa'alogo, ma meafaigaluega manatua.
Pe a tuʻufaʻatasia ma isi mea 2D e pei o graphene (mo electrodes) ma boron nitride hexagonal (mo le insulation), MoS ₂ ituaiga van der Waals heterostructures e pei o masini semiconductor masani ae o loʻo i ai le sao atoatoa o le atomic..
O nei heterostructures o loʻo suʻesuʻeina mo le tunneling transistors, maa sola, ma quantum emitters.
E lē gata i lea, o le so'otaga malosi fa'avili-orbit ma fa'aputuga vanu i le MoS lua e maua ai se fausaga mo mea faigaluega spintronic ma valleytronic., o lo'o tusia ai fa'amatalaga e le pule, ae i tulaga quantum o le saolotoga, e ono ta'ita'i atu i tulaga fa'akomupiuta ultra-maulalo-malosi.
I le toe faamatalaina, molybdenum disulfide o loʻo faʻaalia ai le tuʻufaʻatasia o le malosi faʻapitoa masani ma tekinolosi faʻavasega quantum..
Mai lona tiute o se lubricant malosi malosi i totonu o siosiomaga ogaoga i lona foliga o se semiconductor i atomically manifinifi eletise ma se faʻamalosia i faiga malosi tumau., MoS ₂ o loʻo faʻaauau pea ona toe faʻamalamalamaina tuaoi o oloa faasaienisi.
A'o fa'atuputeleina metotia tu'ufa'atasi ma fa'atupu fa'atasi, MoS ₂ o loʻo faʻatulagaina e fai se galuega autu i le lumanaʻi o le gaosiga maualuga, malosi mama, ma quantum infotech.
Tuuina atu
RBOSCHCO ose kamupani fa'atau oloa vaila'au fa'atuatuaina & gaosi oloa ma sili atu 12 tausaga le poto masani i le tuʻuina atu o vailaʻau sili ona maualuga ma Nanomaterials. Le kamupani auina atu i fafo i le tele o atunuu, pei o Amerika, Kanata, Europa, UAE, Afelika i Saute, Tanzania, Kenya, Aikupito, Nigeria, Cameroon, Uganda, Turkey, Mesiko, Azerbaijan, Belgium, Cyprus, Czech Republic, Brazil, Chile, Argentina, Dubai, Iapani, Korea, Vietnam, Thailand, Malasia, Ikonisia, Ausetalia,Siamani, Falani, Italia, Potukale ma isi. I le avea ai ma se taʻutaʻua o le gaosiga o le atinaʻeina o nanotechnology, RBOSCHCO pulea le maketi. O la matou 'au faigaluega fa'apolofesa e tu'uina atu fofo lelei e fesoasoani e fa'aleleia atili le lelei o pisinisi eseese, fatuina le taua, ma faigofie ona feagai ma luitau eseese. Afai o e su'e molybdenum pa'u lubricant, faamolemole lafo mai se imeli i: [email protected]
Fa'ailoga: molybdenum disulfide,mos2 pauta,molybdenum disulfide lubricant
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