Me yasa takardar graphite ke gudanar da wutar lantarki?
Saboda graphite yana ɗauke da cajin motsi kyauta, cajin yana motsawa kyauta bayan an gama amfani da wutar lantarki don samar da wutar lantarki, don haka zai iya gudanar da wutar lantarki. Babban dalilin da yasa graphite ke gudanar da wutar lantarki shine cewa ƙwayoyin carbon guda 6 suna raba electrons guda 6 don samar da babban haɗin ∏66 tare da electrons guda 6 da cibiyoyin 6. A cikin zoben carbon na wannan layin graphite, duk zoben da ke da membobi 6 suna samar da tsarin haɗin ∏-∏. A wata ma'anar, a cikin zoben carbon na wannan layin graphite, duk ƙwayoyin carbon suna samar da babban haɗin ∏, kuma duk electrons a cikin wannan babban haɗin ∏ na iya gudana cikin yardar kaina a cikin layin, wanda shine dalilin da yasa takardar graphite zata iya gudanar da wutar lantarki.
Graphite tsari ne na lamellar, kuma akwai electrons kyauta waɗanda ba a haɗa su tsakanin layukan ba. Bayan an kunna wutar lantarki, suna iya motsawa ta alkibla. Kusan dukkan abubuwa suna gudanar da wutar lantarki, kawai batun juriya ne. Tsarin graphite yana tabbatar da cewa yana da ƙaramin juriya tsakanin abubuwan carbon.
Ka'idar sarrafa takardar graphite:
Carbon atom ne mai siffar tetravalent. A gefe guda, kamar atom ɗin ƙarfe, atom ɗin da ke waje suna ɓacewa cikin sauƙi. Carbon yana da ƙarancin electrons na waje. Yana kama da ƙarfe sosai, don haka yana da takamaiman ikon lantarki. Za a samar da electrons kyauta da ramuka masu dacewa. Tare da electrons na waje waɗanda carbon zai iya ɓacewa cikin sauƙi, a ƙarƙashin tasirin bambancin yuwuwar, za a sami motsi da cika ramukan. Ƙirƙiri kwararar electrons. Wannan shine ƙa'idar semiconductors.
Lokacin Saƙo: Maris-14-2022