染料敏化的硫化镉/二氧化钛纳米晶太阳电池的光伏特性

Sensization of CdS/TiO_2 Particulate Film with Organic Dye

透明的导电玻璃电报表面被胶体二氧化钛和硫化铝超细微粒修饰,再通过吸附一层有机染料,制备出染料一硫化镉/二氧化钛电极.实验表明,由于流化镉和染料在可见光区有不同的光谱吸收范围,以及偶合半导体位于的整流作用,用染料和硫化镉共同敏化的二氧化钛电极不仅能使电极的光谱吸收和光电流话拓宽到可见光区域,而且有助于光电响应的改善,增加对太阳能的利用.

Cadmium sulfide (as) peticals was thet despeited on the surfaco of mtriporous dansoarm biamum dioxide (TiO2O elecrode. then it was modified with GaTsPo to prepared a comedined TiO2 electrode. Since low-band gan semiconduotor CdS particals and GaTsPc have different spectral range m the visible rigion, the co-modified TiO2 electrode could effectively absorb visible light. Experimental results showed that the senstisation of TiO2 electrode with GaTsPc and CdS肥市not only extended the optical aborphon specnum and photocurrent achon petrom into wiber visible scope, but aiso facliltated the photo-to- photocurrent conversion efficiency. So solar enetgy could be fully utilized.