Sei graphite bepa richiita magetsi?
Nekuti graphite ine machaji emahara, machaji anofamba akasununguka mushure mekugadzirwa kwemagetsi kuumba ikozvino, saka inogona kuitisa magetsi. Chikonzero chaicho chinoita kuti graphite iite magetsi inyaya yekuti maatomu ecarbon matanhatu anogovera maerekitironi matanhatu kuita ∏66 bond hombe ine maerekitironi matanhatu uye nzvimbo nhanhatu. Muringi kabhoni yechikamu chimwechete chegraphite, marin'i ane 6-nhengo dzose anoumba ∏-∏ conjugated system. Mune mamwe mazwi, murin'i yekabhoni yechikamu chimwechete chegraphite, maatomu ekabhoni ese anoumba hombe ∏ bond, uye maerekitironi ese ari muhombe iyi ∏ bond anogona kuyerera akasununguka mu layer, ndicho chikonzero nei bepa regraphite richikwanisa kuita. magetsi.
Graphite is lamellar structure, uye kune maerekitironi akasununguka asina kusungirirwa pakati pezvikamu. Mushure memagetsi, vanogona kufamba nenzira. Zvinenge zvinhu zvese zvinoitisa magetsi, ingori nyaya yeresistivity. Chimiro che graphite chinotarisa kuti ine diki resistivity pakati pekabhoni zvinhu.
Conductive musimboti wegraphite bepa:
Carbon iatomu ine tetravalent. Kune rimwe divi, kungofanana nemaatomu esimbi, maerekitironi ekunze anorasika nyore. Carbon ine maerekitironi mashoma ekunze. Yakafanana chaizvo nesimbi, saka ine mamwe magetsi conductivity. , anowirirana emahara maerekitironi nemakomba achagadzirwa. Yakabatana nekunze maerekitironi ayo kabhoni anogona kurasikirwa nyore, pasi pechiito chekugona mutsauko, pachava nekufamba uye kuzadza maburi. Gadzira kuyerera kwema electrons. Iyi ndiyo nheyo ye semiconductors.
Nguva yekutumira: Mar-14-2022