Lub zog tsim hluav taws xob: qhov siab tshaj plaws ntawm kev hloov kho hluav taws xob photoelectric hloov dua siab tshiab ntawm monocrystalline silicon hnub ci zog nce txog 24%, hnub ci vaj huam sib luag uas yog qhov siab tshaj plaws photoelectric conversion efficiency ntawm txhua hom hnub ci hlwb. Txawm li cas los xij, hnub ci vaj huam sib luag cov nqi tsim tawm ntawm monocrystalline silicon solar cells yog zoo heev uas nws tsis tau siv thiab dav siv nyob rau hauv coob. Hais txog kev tsim nqi, hnub ci vaj huam sib luag polycrystalline silicon hnub ci hlwb yog pheej yig tshaj li monocrystalline silicon hnub ci hlwb, tab sis photoelectric hloov dua siab tshiab ntawm polycrystalline silicon solar cells yog tsawg dua. Tsis tas li ntawd, hnub ci panelthe kev pab cuam lub neej ntawm polycrystalline silicon solar cells yog luv dua uas ntawm monocrystalline silicon solar cell.Yog li ntawd, lub hnub ci vaj huam sib luag hauv cov nqe lus ntawm kev ua tau zoo, monocrystalline silicon solar cells yog me ntsis zoo dua.
Cov kws tshawb nrhiav tau pom tias qee cov khoom siv sib txuas ua ke muaj qhov tsim nyog rau hnub ci kev sib hloov duab. Piv txwv, CdS, CdTe; hnub ci vaj huam sib luag III-V compound semiconductors: GaAs, AIPInP, etc.solar vaj huam sib luag nyias-zaj duab xis hnub ci hlwb ua los ntawm cov semiconductors qhia tau zoo photoelectric hloov dua siab tshiab. Cov khoom siv sib xyaw ua ke (semiconductor) sib xyaw nrog gradient band khoob tuaj yeem nthuav dav hnub ci zog nqus hluav taws xob, hnub ci vaj huam sib luag yog li ua kom qhov photoelectric hloov dua siab tshiab. Coob tus ntawm kev siv tswv yim ntawm nyias zaj duab xis hnub ci hlwb nthuav dav txoj kev cia siab. Ntawm cov khoom siv ntau yam khoom siv hluav taws xob semiconductor, hnub ci vaj huam sib luag Cu (Hauv, Ga) Se2 yog ib qho zoo tshaj plaws hnub ci lub teeb nqus. Raws li nws, lub hnub ci vaj huam sib luag nyias-zaj duab xis hnub ci hlwb nrog qhov siab tshaj qhov siab tshaj tawm ntawm qhov hloov dua siab tshiab dua li silicon tuaj yeem tsim, hnub ci vaj huam sib luag thiab kev ua tiav photoelectric hloov dua siab tshiab yog 18%.