采用溶胶-凝胶法在玻璃基体表面制备了不同粒径的TiO2薄膜和纳米SnO2/TiO2复合薄膜,将它们与不同对电极进行了光电转换性能测试.结果表明:氧化物薄膜电极经染料敏化、薄膜颗粒细化及薄膜复合化都有利于提高电极的光电转换性能.用汞溴红敏化后,粒径为25 nm的TiO2薄膜的光电转换性能提高了847倍;粒径为25 nm的TiO2薄膜的光电转换性能是粒径为136 nm的TiO2薄膜的5倍;粒径为25 nm的TiO2薄膜经粒径为27 nm的SnO2薄膜复合后,其光电转换性能提高了7.7%.
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