Hanyar sinadarai da farko tana sanya graphite graphite zuwa graphite oxide ta hanyar amsawar iskar oxygen, kuma yana ƙara tazarar Layer ta hanyar gabatar da iskar oxygen mai ɗauke da ƙungiyoyin aiki akan atom ɗin carbon tsakanin sassan graphite, don haka yana raunana hulɗar tsakanin yadudduka.

Na kowa oxidation

Hanyoyin sun haɗa da hanyar Brodie, Hanyar Staudenmaier da Hanyar Hummers [40].Ka'idar ita ce fara bi da graphite tare da acid mai ƙarfi da farko,

Sa'an nan kuma ƙara oxidant mai ƙarfi don oxidation.

A oxidized graphite aka tube ta ultrasonic don samar da graphene oxide, sa'an nan rage ta ƙara rage wakili don samun graphene.

Abubuwan ragewa na gama gari sun haɗa da hydrazine hydrate, NaBH4 da raguwar alkali mai ƙarfi ultrasonic.NaBH4 yana da tsada kuma yana da sauƙin riƙe kashi B,

Kodayake raguwar alkali mai ƙarfi ultrasonic yana da sauƙi kuma yana da alaƙa da muhalli, yana da wahala a rage *, kuma babban adadin ƙungiyoyin aikin oxygenated zai kasance bayan raguwa,

Saboda haka, hydrazine hydrate mai rahusa yawanci ana amfani dashi don rage graphite oxide.Amfanin raguwar hydrazine hydrate shine cewa hydrazine hydrate yana da ƙarfin raguwa mai ƙarfi kuma yana da sauƙin canzawa, don haka ba za a sami ƙazanta da aka bari a cikin samfurin ba.A cikin tsarin ragewa, ana ƙara adadin ruwan ammonia da ya dace don haɓaka ikon rage hydrazine hydrate,

A gefe guda kuma, yana iya sa saman graphene ya kori juna saboda munanan zarge-zarge, ta haka ne ya rage girman graphene.

Babban sikelin shirye-shirye na graphene za a iya gane ta hanyar hadawan abu da iskar shaka da kuma rage Hanyar, da kuma matsakaicin samfurin graphene oxide yana da kyau watsawa a cikin ruwa,

Yana da sauƙi don gyarawa da aiki da graphene, don haka ana amfani da wannan hanya sau da yawa a cikin bincike na kayan haɗin gwiwa da ajiyar makamashi.Amma saboda oxidation

Rashin wasu ƙwayoyin carbon a cikin tsarin ultrasonic da ragowar ƙungiyoyi masu aiki na oxygen a cikin tsarin ragewa sau da yawa yakan sa graphene da aka samar ya ƙunshi ƙarin lahani, wanda ya rage ƙarfinsa, don haka yana iyakance aikace-aikacensa a fagen graphene tare da buƙatu masu kyau. .


Lokacin aikawa: Nov-03-2022