Graphene

Graphene

Taw qhia rau Graphene

Graphene yog ob-dimensional (2D) daim ntawv ntawm carbon txheej nyob rau hauv ib txheej ntawm atoms nyob rau hauv ib tug rov qab hexagonal lattice. Nws yog thawj cais nyob rau hauv 2004 los ntawm Andre Geim thiab Konstantin Novoselov ntawm University of Manchester, uas tau txais txiaj ntsig Nobel nqi zog hauv Physics hauv 2010 rau lawv cov kev sim ua ntej. Graphene yog qhov tseem ceeb ntawm atomic-scale honeycomb mesh ntawm carbon atoms, uas ua rau nws yog ib tug tswv cuab ntawm fullerene structural tsev neeg, uas kuj suav nrog graphite, hluav taws kub, carbon nanotubes, thiab fullerenes (buckyballs).

Cov yam ntxwv ntawm Graphene

Lub zog: Graphene yog ib qho ntawm cov ntaub ntawv muaj zog tshaj plaws paub, nrog lub zog tensile ntawm ib ncig 130 gigapascals (GPa), uas muaj zog dua pob zeb diamond thiab muaj zog ntau dua li cov hlau.
Yooj yim: Txawm tias nws lub zog, graphene kuj hloov tau thiab tuaj yeem khoov lossis dov yam tsis muaj kev tawg.
Kev coj ua: Nws yog ib qho zoo heev conductor ntawm hluav taws xob, nrog electron mobility dhau 200 lub sij hawm ntau dua li ntawm silicon.
Thermal conductivity: Graphene muaj thermal conductivity heev, txhais tau tias nws muaj peev xwm ua kom sov tau zoo heev.
Pob tshab: Graphene yuav luag tag nrho pob tshab, absorbing nkaus xwb txog 2.3% ntawm lub teeb, uas ua rau nws zoo tagnrho rau siv hauv pob tshab electronics.
Tshuaj Stability: Nws yog tshuaj ruaj khov thiab tuaj yeem tiv taus oxidation hauv huab cua, uas ua rau nws durability.
Qhov chaw siab: Ib gram ntawm graphene muaj thaj tsam ntawm mus txog 2630 square meters, uas muaj txiaj ntsig zoo rau cov ntawv thov uas xav tau thaj chaw loj.

Kev siv ntawm Graphene

Electronics: Graphene tuaj yeem muaj peev xwm hloov pauv cov khoom siv hluav taws xob vim nws txoj kev txav hluav taws xob siab thiab pob tshab, ua kom haum rau cov ntxaij vab tshaus, photovoltaic cell, thiab cov khoom siv hluav taws xob ntau zaus.
Zog Cia: Nws tuaj yeem txhim kho kev ua haujlwm ntawm cov roj teeb thiab cov supercapacitors vim nws qhov chaw siab thiab kev ua haujlwm.
Cov khoom siv sib xyaw: Los ntawm kev ntxiv graphene rau cov yas, hlau, los yog ceramics, Cov txiaj ntsig sib xyaw tuaj yeem muaj kev txhim kho mechanical, thermal, thiab cov khoom hluav taws xob.
Biomedical Engineering: Graphene's biocompatibility thiab muaj peev xwm nqa tshuaj ua rau nws muaj txiaj ntsig zoo rau kev xa tshuaj thiab cov ntaub so ntswg engineering.
Dej Purification: Graphene-based membranes tuaj yeem lim tawm impurities los ntawm dej, suav nrog ntsev, kab mob, thiab kab mob.
Sensors: Graphene sensors tuaj yeem kuaj xyuas cov pa roj carbon monoxide lossis biomolecules hauv feeb, ua rau lawv muaj txiaj ntsig zoo hauv kev saib xyuas ib puag ncig thiab kev kuaj mob.
Flexible Electronics: Nws yooj yim thiab conductivity ua rau nws zoo tagnrho rau cov khoom siv coj los siv thiab cov khoom siv tau yooj yim.

Tuam txhab Profile

Graphene Aerogels yog ib qho kev ntseeg siab thoob ntiaj teb cov khoom siv tshuaj & chaw tsim tshuaj paus nrog ntau tshaj 12-xyoo-kev paub nyob rau hauv muab super-zoo graphene, airgel thiab cov khoom txheeb ze.

Lub tuam txhab muaj cov kws tshaj lij kev ua haujlwm thiab Kev Tswj Xyuas Zoo, ib lub chaw kuaj mob zoo, thiab nruab nrog cov cuab yeej ntsuas qib siab thiab tom qab-muag kev pabcuam cov neeg siv khoom.

Yog tias koj tab tom nrhiav kom zoo graphene, airgel thiab cov khoom txheeb ze, thov koj xav tiv tauj peb lossis nyem rau ntawm cov khoom xav tau los xa cov lus nug.

Kev Them Nyiaj

L/C, T/T, Western Union, Paypal, Credit Card thiab lwm yam.

Kev xa khoom

Nws tuaj yeem raug xa los ntawm hiav txwv, los ntawm huab cua, los yog los ntawm kev qhia ASAP sai li sai tau thaum tau txais cov nyiaj them rov qab.

FAQs txog Graphene

Yuav ua li cas yog graphene tsim?
Graphene tuaj yeem tsim tau ntau txoj hauv kev, suav nrog mechanical exfoliation (peeling txheej ntawm graphite), tshuaj vapor deposition (CVD), thiab tshuaj txo cov graphene oxide.

Yog graphene toxic?
Cov kev tshawb fawb tam sim no qhia tias graphene yuav muaj qee qhov teeb meem toxicity, tshwj xeeb yog tias nqus tau, tab sis kev tshawb fawb ntxiv yog xav tau kom nkag siab tag nrho nws cov txiaj ntsig kev noj qab haus huv.

Cov graphene tuaj yeem ua tau loj?
Yog lawm, txoj kev xws li CVD tso cai rau kev tsim cov graphene ntawm qhov loj dua, txawm hais tias ua tau zoo ib yam zoo thiab cov nplooj ntawv loj hauv cheeb tsam tseem nyuaj.

Tus nqi ntawm graphene yog dab tsi?
Tus nqi sib txawv heev nyob ntawm txoj kev tsim khoom thiab purity xav tau, tab sis cov nqi tau txo qis vim tias cov txheej txheem tsim khoom tau txhim kho.

Puas yog graphene muaj cov khoom sib nqus?
Ntshiab graphene nws tus kheej tsis yog hlau nplaum, tab sis nws tuaj yeem hloov kho kom pom cov khoom sib nqus los ntawm doping lossis sib thooj cuam tshuam nrog cov khoom sib nqus.