Los ntawm txoj kev xav, nyias - zaj duab xis hnub ci vaj huam sib luag yog feem ntau raws li cov nyhuv photoelectric. Thaum lub teeb ci nyob rau saum npoo ntawm cov khoom siv, cov khoom siv hluav taws xob hauv cov khoom nqus photon zog thiab hloov mus rau cov khoom siv hluav taws xob, yog li tsim hluav taws xob tam sim no. Raws li cov ntaub ntawv siv, nyias- zaj duab xis hnub ci vaj huam sib luag tuaj yeem muab faib ua ntau hom, xws li amorphous silicon nyias- cov roj teeb zaj duab xis, tooj liab indium gallium selenide (CIGS) nyias- cov roj teeb zaj duab xis, thiab cadmium telluride (CdTe) film {{6}. Txhua yam khoom muaj nws cov yam ntxwv ua tau zoo; Piv txwv li, amorphous silicon nyias- cov roj teeb zaj duab xis muaj kev ua tau zoo nyob rau hauv qis- teeb pom kev zoo, thaum CIGS nyias- cov roj teeb zaj duab xis muaj kev hloov pauv ntau dua thiab ruaj khov.