E mōhiotia ana te graphene mō tōna kaha whakaharahara, ahakoa kotahi noa te matotoru o te ngota. Nō reira, me pēhea te whakapakari ake? Mā te huri hei rau taimana, ko te tikanga. Kua whakawhanakehia e ngā kairangahau i Kōrea ki te Tonga tētahi tikanga hou mō te huri i te graphene hei kiriata taimana angiangi rawa, me te kore e whakamahi i te pēhanga teitei.
He mea hanga te karāpene, te karāpeti me te taimana i te mea kotahi – arā, te waro – engari ko te rerekētanga i waenga i ēnei rauemi ko te āhua o te whakaritenga me te hononga o ngā ngota waro. Ko te karāpeti he rau waro he kotahi noa te matotoru o te ngota, he kaha ngā hononga i waenganui i a rātou i runga i te whakapae. Ko te karāpeti he mea hanga mai i ngā rau karāpeti e whakatakotoria ana ki runga i a rātou anō, me ngā hononga kaha i roto i ia rau engari ko ngā hononga ngoikore e hono ana i ngā rau rerekē. Ā, i roto i te taimana, he kaha ake te hononga o ngā ngota waro i roto i ngā āhuatanga e toru, ka hangaia he rauemi tino mārō.
Ina whakakahangia ngā hononga i waenga i ngā paparanga o te graphene, ka taea te huri hei momo taimana 2D e mōhiotia ana ko te diamane. Ko te raruraru, he uaua tēnei ki te mahi i te nuinga o te wā. Ko tētahi ara me tino teitei ngā pēhanga, ā, ina tangohia taua pēhanga ka hoki anō te rauemi ki te graphene. Kua tāpirihia e ētahi atu rangahau ngā ngota hauwai ki te graphene, engari he uaua ki te whakahaere i ngā hononga.
Mō te rangahau hou, i whakawhitihia e ngā kairangahau i te Institute for Basic Science (IBS) me te Ulsan National Institute of Science and Technology (UNIST) te hauwai mō te fluorine. Ko te whakaaro mā te whakaatu i te graphene paparanga rua ki te fluorine, ka tata ake ngā paparanga e rua, ka hanga hononga kaha ake i waenganui i a rāua.
I tīmata te tīma mā te hanga i te graphene paparanga-rua mā te whakamahi i te tikanga kua whakamatauria, ā, he pono hoki o te whakatakoto kohu matū (CVD), i runga i tētahi papa i hangaia ki te parahi me te nikara. Kātahi ka whakaaturia te graphene ki ngā kohu o te xenon difluoride. Ka piri te fluorine i roto i taua ranunga ki ngā ngota waro, ka whakapakari i ngā hononga i waenga i ngā paparanga graphene, ā, ka hanga he paparanga tino angiangi o te taimana fluorinated, e mōhiotia ana ko te F-diamane.
He tino māmā ake te tukanga hou i ētahi atu, ā, me ngāwari ake te whakanui ake. Mā ngā rau taimana tino angiangi ka taea te hanga i ngā wāhanga hiko kaha ake, iti ake, me te ngāwari ake, inā koa he haurua-kawe whānui.
"Ka mahi tēnei tikanga whakapūhaumāota māmā i te pāmahana tata ki te rūma, i raro hoki i te pēhanga iti, me te kore e whakamahi i te parāuma, i tētahi atu tikanga whakahohe hau rānei, nō reira ka whakaitihia te tūponotanga o te hanga hapa," te kī a Pavel V. Bakharev, te kaituhi tuatahi o te rangahau.
Wā tuku: 24 Paenga-whāwhā 2020