Mafilimu a carbon monga graphene ndi opepuka kwambiri koma amphamvu kwambiri omwe ali ndi mphamvu zogwiritsira ntchito kwambiri, koma zingakhale zovuta kupanga, nthawi zambiri zimafuna njira zambiri zogwirira ntchito komanso zowononga nthawi, ndipo njira zake ndi zodula komanso sizigwirizana ndi chilengedwe.
Popanga kuchuluka kwa graphene, kuti athe kuthana ndi zovuta zomwe zimakumana nazo pakukhazikitsa njira zamakono zotulutsira, ofufuza a Ben Gurion University of the Negev ku Israel apanga njira yochotsera graphene "yobiriwira" yomwe ingagwiritsidwe ntchito ku A osiyanasiyana. m'magawo, kuphatikiza optics, zamagetsi, ecology ndi biotechnology.
Ofufuza adagwiritsa ntchito kubalalitsidwa kwamakina kuti atenge graphene kuchokera ku mineral striolite.Iwo adapeza kuti mineral hypophyllite ikuwonetsa chiyembekezo chabwino chopanga zinthu zamtundu wa graphene ndi ma graphene.
Mpweya wa carbon wa hypomphibole ukhoza kukhala wosiyana.Malinga ndi zomwe zili mu kaboni, hypomphibole imatha kukhala ndi kuthekera kosiyanasiyana kogwiritsa ntchito.Mitundu ina ingagwiritsidwe ntchito pothandizira, pamene mitundu ina imakhala ndi bactericidal properties.
Mapangidwe a hypopyroxene amatsimikizira momwe angagwiritsire ntchito njira yochepetsera oxidation, ndipo itha kugwiritsidwanso ntchito popanga ng'anjo yophulika ndi kupanga ferroalloy ya cast (high silicon) chitsulo choponyedwa.
Chifukwa cha thupi ndi makina ake, kachulukidwe kachulukidwe, mphamvu zabwino komanso kukana kuvala, hypophyllite imakhalanso ndi mphamvu yotsatsa zinthu zosiyanasiyana zachilengedwe, kotero imatha kugwiritsidwa ntchito ngati zosefera.Idawonetsanso kuthekera kochotsa ma free radical particles omwe angayipse magwero amadzi.
Hypopyroxene imawonetsa kuthekera kopha tizilombo ndi kuyeretsa madzi kuchokera ku mabakiteriya, spores, tizilombo tosavuta komanso algae wobiriwira wabuluu.Chifukwa cha mphamvu zake zochepetsera komanso zochepetsera, magnesia amagwiritsidwa ntchito ngati adsorbent pakuyeretsa madzi oyipa.
(a) X13500 magnification ndi (b) X35000 magnification TEM chithunzi cha obalalika hypophyllite chitsanzo.(c) Raman sipekitiramu wa mankhwala hypophyllite ndi (d) XPS sipekitiramu wa mpweya mzere mu hypophyllite sipekitiramu
Kutulutsa kwa graphene
Pokonzekera miyala yochotsa graphene, awiriwa adagwiritsa ntchito maikulosikopu ya electron (SEM) kuti ayang'ane zonyansa zazitsulo zolemera ndi porosity mu zitsanzo.Anagwiritsanso ntchito njira zina za labotale kuti ayang'ane momwe zimapangidwira komanso kupezeka kwa mchere wina mu hypomphibole.
Pambuyo kusanthula chitsanzo ndi kukonzekera anamaliza, ofufuza anatha kuchotsa graphene ku diorite pambuyo umakaniko processing chitsanzo kuchokera Karelia ntchito digito akupanga zotsukira.
Popeza zitsanzo zambiri zimatha kukonzedwa pogwiritsa ntchito njirayi, palibe chiwopsezo cha kuipitsidwa kwachiwiri, ndipo njira zotsatsira zitsanzo sizikufunika.
Popeza zinthu zodabwitsa za graphene zadziwika kwambiri m'magulu ofufuza asayansi ambiri, njira zambiri zopangira ndi kaphatikizidwe zapangidwa.Komabe, zambiri mwa njirazi zimakhala ndi njira zambiri kapena zimafuna kugwiritsa ntchito mankhwala ndi oxidizing amphamvu ndi kuchepetsa.
Ngakhale mafilimu a graphene ndi mafilimu ena a carbon awonetsa kuthekera kwakukulu kogwiritsa ntchito ndipo apindula bwino ndi R&D, njira zogwiritsira ntchito zidazi zikupangidwabe.Chimodzi mwazovuta ndikupanga graphene m'zigawo zotsika mtengo, zomwe zikutanthauza kuti kupeza ukadaulo wobalalika woyenera ndiye chinsinsi.
Kubalalitsidwa kapena kaphatikizidwe njira imeneyi ndi yotopetsa komanso yosakonda zachilengedwe, ndipo kulimba kwa matekinolojewa kungayambitsenso zolakwika mu graphene yopangidwa, potero kuchepetsa kuyembekezeredwa kwabwino kwambiri kwa graphene.
Kugwiritsa ntchito akupanga zotsukira mu graphene kaphatikizidwe kumatha kuopsa ndi ndalama kugwirizana ndi Mipikisano sitepe ndi mankhwala njira.Kugwiritsa ntchito njirayi ku mchere wachilengedwe wa hypophyllite kunatsegula njira yopangira njira yatsopano yopangira graphene.
Nthawi yotumiza: Nov-04-2021