0 was ,, and 50minrespectivelyР Key 簆;籵籱 controlР ÷······稨···············げ罚弧··唬畗Р 辖拥Р Preparation and polycrystalline CdS films for solar cellsР DingyulZHEN猤琙 XinghualWEIZhaoron91Р XIA —, 猦Р . .Р Chengdu Information TechnologyChengdu,Р 2School Science and 琒 UniversityChengdu,Р AbstractPolycrystalline CdS films grown transparent glass and Р glass substrate sublimation(CSS)and evaporation(EBE)methodTheР ization CdS films the two polycrystalline and present preferential(002)Р orientation hexagonal 甌 CdS films found and 琣Р uniform grain sizeTheoptical gap CdS films between 239and 琣 the EBE Р possess smaller optical gapIn, a differences substrate temperaturedepositionР and 瑃 growththeCdS ratio and optical gap CdSР films two differentР Key 簆 CdS 籹 cellsclose-spacedsublimationelectron evaporation