Gukonjesha ibikoresho bya elegitoroniki bikomeye muri terefone zigezweho birashobora kuba ikibazo gikomeye. Abashakashatsi bo muri kaminuza y’ubumenyi n’ikoranabuhanga ya King Abdullah bakoze uburyo bwihuse kandi bunoze bwo gukora ibikoresho bya karubone byiza byo gukwirakwiza ubushyuhe mu bikoresho bya elegitoroniki. Ibi bikoresho byinshi birashobora kubona izindi progaramu, kuva sensor ya gaze kugeza kumirasire y'izuba.
Ibikoresho byinshi bya elegitoronike bifashisha firime ya grafite kugirango ikore kandi ikwirakwize ubushyuhe butangwa nibikoresho bya elegitoroniki. Nubwo grafite ari uburyo busanzwe bwa karubone, imicungire yubushyuhe muri elegitoronike ni porogaramu isaba kandi akenshi biterwa no gukoresha mikorobe yo mu rwego rwo hejuru ya micron-yuzuye ya firime. Gitanjali Deokar, iposita muri laboratoire ya Pedro Costa wayoboye icyo gikorwa abisobanura agira ati: “Icyakora, uburyo bwo gukora aya mafilime ya grafite ukoresheje polymers nk'ibikoresho fatizo biragoye kandi bitwara ingufu.” Firime zakozwe binyuze munzira nyinshi zisaba ubushyuhe bugera kuri dogere selisiyusi 3,200 kandi ntishobora gukora firime yoroheje kuruta microne nkeya.
Deokar, Costa na bagenzi babo bakoze uburyo bwihuse kandi bukoresha ingufu zo gukora impapuro za grafite hafi ya nanometero 100. Iri tsinda ryakoresheje tekinike yitwa chimique vapor deposition (CVD) kugirango ikure firime ya nanometero yuburebure bwa nanite (NGFs) kuri nikel foil, aho nikel itera ihinduka rya metani ishyushye muri grafite hejuru yacyo. Deokar yagize ati: "Twageze kuri NGF mu minota 5 gusa yo gukura kwa CVD ku bushyuhe bwa dogere selisiyusi 900".
NGF irashobora gukura mumpapuro zigera kuri cm2 mukarere kandi igakura kumpande zombi. Irashobora gukurwaho no kwimurirwa ahandi hatabayeho gukenera polymer igoboka, nikintu gisabwa mugihe ukorana na firime ya graphene imwe.
Itsinda ryakoranye ninzobere ya microscopi ya electron Alessandro Genovese, itsinda ryabonye amashanyarazi ya microscopi (TEM) yerekana amashusho yambukiranya ibice bya NGF kuri nikel. Costa yagize ati: "Kureba intera iri hagati ya firime ya grafite na nikel foil ni ibintu bitigeze bibaho kandi bizatanga ubumenyi bwimbitse ku buryo bwo gukura kw'izi filime."
Ubunini bwa NGF bugwa hagati yubucuruzi buboneka micron-yuzuye ya grafite na graphene imwe. Costa yagize ati: "NGF yuzuza impapuro za graphene n'inganda za grafite, byiyongera kuri arsenal ya firime ya karubone." Kurugero, kubera guhinduka kwayo, NGF irashobora gukoreshwa mugucunga ubushyuhe muri terefone zigendanwa zoroshye ubu zitangiye kugaragara ku isoko. Yongeyeho ati: "Ugereranije na firime ya graphene, guhuza NGF bizaba bihendutse kandi bihamye".
Ariko, NGF ifite byinshi ikoresha birenze ubushyuhe. Ikintu gishimishije cyerekanwe mumashusho ya TEM nuko ibice bimwe bya NGF ari ibice bike bya karubone. Deoka yagize ati: "Igitangaje ni uko kuba hari ibice byinshi bya domeni ya graphene bituma urwego ruhagije rw'umucyo ugaragara muri firime." Itsinda ry’ubushakashatsi ryavuze ko NGF ikora neza, yoroheje ishobora gukoreshwa nk'ingirabuzimafatizo z'izuba cyangwa nk'ibikoresho byifashishwa mu kumenya gaze ya dioxyde ya azote. Costa yagize ati: "Turateganya kwinjiza NGF mu bikoresho kugira ngo ikore nk'ibikoresho byinshi bikora."
Andi makuru: Gitanjali Deokar nabandi, Gukura byihuse bya firime ya nanometero yuburebure bwa grafitike kuri wafer-nini ya nikel foil hamwe nisesengura ryimiterere, Nanotehnologiya (2020). DOI: 10.1088 / 1361-6528 / aba712
Niba uhuye nikosa, ridahwitse, cyangwa ushaka gutanga icyifuzo cyo guhindura ibiri kururu rupapuro, nyamuneka koresha iyi fomu. Kubibazo rusange, nyamuneka koresha urupapuro rwitumanaho. Kubitekerezo rusange, koresha igice cyibitekerezo rusange hepfo (kurikiza amabwiriza).
Igitekerezo cyawe ni ingenzi kuri twe. Ariko, kubera ubwinshi bwubutumwa, ntidushobora kwemeza igisubizo cyihariye.
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Igihe cyo kohereza: Nzeri-05-2024