2012-01-012024-05-18https://scholars.lib.ntu.edu.tw/handle/123456789/708303摘要：本計畫採用二氧化鈦奈米柱作為光電極，搭配indoline dye D149作為染料，以及poly(3-hexylthiophene) (P3HT)高分子作為固態電洞導電材料，製備固態染料敏化太陽能電池，二氧化鈦奈米柱的製備方式為低成本的水熱法(hydrothermal synthesis)成長，以長度4μm的奈米柱所製成的太陽能電池，在100 mW/cm2的光照下，其短路電流密度可達12 mA/cm2，如此大的短路電流證實了，奈米柱型態良好的互連通性能快速有效地傳輸電子，高深寬比的結構同時能吸附足夠的染料。為使P3HT與染料分子有良好的接觸，本計畫開發了一種簡單有效的真空輔助方式，可讓P3HT充分的填充至TiO2奈米柱間。此外也發現，染料分子/ P3HT介面經過Li(CF3SO2)2N)及4-tert-butylpyridine (TBP)是必要的，其元件電流電壓特性將會大大改善。<br> Abstract: In this work, we report a TiO2 nanorod based solid-state dye-sensitized solar cell with poly(3-hexylthiophene) (P3HT) and indoline dye D149 as the hole transporting material and sensitizer, respectively. The TiO2 nanorod array is grown by the low-cost hydrothermal synthesis. With the TiO2 nanorod length of 4 μm, the Jsc of the solar cells can achieve 12 mA/cm2 under 100 mW/cm2 illumination. The large Jsc is good evidence that the sufficiently dense array of long TiO2 nanorods can offer efficient carrier collection while simultaneously maintaining the dye loading. In order to achieve the complete filling of P3HT into the interspaces between TiO2 nanorods, we introduce a very simple and effective way, the vacuum-assisted method, to the procedure of cell fabrication. Furthermore, we also observe that the modification of D149-TiO2/ P3HT interface by treating the lithium salt (Li(CF3SO2)2N) and 4-tert-butylpyridine (TBP) is very crucial. A significant improvement in J-V characteristics is achieved.固態染料敏化太陽能電池二氧化鈦奈米柱水熱法聚(3-己基噻吩)真空輔助方式。solid-state dye-sensitized solar cellTiO2 nanorodhydrothermal synthesisP3HTvacuum-assisted method固態染料敏化電池