Qee cov crystalline semiconductors, xws li silicon, germanium, lead sulfide, thiab cadmium sulfide, thiab lwm yam semimetal selenium, muaj zog photoconductive. … Vim tias tam sim no tso tseg thaum lub teeb raug tshem tawm, cov ntaub ntawv photoconductive tsim lub hauv paus ntawm cov hluav taws xob tswj lub teeb.
YPuas yog selenium yog photoconductor?
A-Se tau tsim kho tau zoo raws li nws tau siv los ua a photoconductor hauv tshuab luam ntawv thiab tseem nyob rau hauv cov txheej txheem X-ray duab hu ua xeroradiography tau ntau xyoo. Nws yog siv rau hauv nws daim ntawv amorphous, yog li amorphous selenium daim hlau tuaj yeem ua los ntawm evaporation.
Photoconductor ua haujlwm li cas?
Ib tus photoconductor yog hom qub: tsis muaj qhov hluav taws xob conduction nyob ze ntawm qhov kawg ntawm qib valence kom nws yog ib qho insulator. Tab sis nws dhau los ua ib qho conductor thaum raug lub teebvim tias lub teeb tuaj yeem txav mus rau qib valence electrons mus rau hauv qhov khoob khoob ntawm cov hluav taws xob ntau dua.
YPuas yog selenium yog tus neeg xyuas pib lossis insulator?
Selenium yog cov khoom muaj txiaj ntsig zoo-nws yog photoconductor. Ntawd yog, selenium yog ib qho insulator thaum tsaus ntujthiab tus neeg xyuas pib thaum raug teeb.
Vim li cas selenium yog tus neeg xyuas pib hauv lub teeb?
Raws li selenium(Se) tus lej yog 34 muaj 2 ½ spin yog qhov tsis muaj. Yog li, nws feem ntau nws ua raws li photocells uas siv lub zog los ntawm lub hnub raws li lub hnub ci zog raws li tus nqi. Obviously, peb tuaj yeem hais tias nws uaraws li tus neeg xyuas pib hauv lub teeb pom kev zoo thiab insulator hauv qhov tsaus ntuj. Yog li, qhov ntawd dua nws xav tau lub teeb los ua tus coj.
