分等级锐钛矿TiO2纳米线阵列的制备及其在CdSe量子点敏化太阳电池中的应用 |
| |
引用本文: | 徐杨帆.分等级锐钛矿TiO2纳米线阵列的制备及其在CdSe量子点敏化太阳电池中的应用[J].顺德职业技术学院学报,2014(1):1-5. |
| |
作者姓名: | 徐杨帆 |
| |
作者单位: | 中山大学化学与化学工程学院,广东广州510275 |
| |
基金项目: | 国家自然科学基金(20873183)。 |
| |
摘 要: | 量子点敏化太阳电池是一种新型的第三代高效太阳电池,具有极大的应用前景。本文利用水热法,首先在柔性的钛片基底上生长了光滑的TiO2纳米线阵列,并通过第二步水热反应制备出具有分支结构的分等级TiO2纳米线阵列,研究了其在CdSe量子点敏化太阳电池中的应用。实验结果表明,具有分支结构的分等级材料具有更高的表面积以负载敏化剂,同时保持了一维纳米阵列高效的电子传输特性,因此相比于光滑纳米线阵列,其光电转换效率提升近一倍,在标准光强下测试达到0.72%。
|
关 键 词: | 量子点敏化太阳电池 纳米线 CdSe |
Preparation of Hierarchical Anatase TiO2 Nanowire Arrays on Ti-foil Substrate for CdSe Quantum-dot Sensitized Solar Cells |
| |
Authors: | XU Yangfan |
| |
Institution: | XU Yangfan(School of Chemistry and Chemical Engineering, Sun Yat-Sen University, Guangzhou Guangdong 510275, China) |
| |
Abstract: | As one type of the third generation solar cells, quantum dot sensitized solar cells (QDSSCs) has a bright future in application. In this paper, the hierarchical anatase TiO2 NWs arrays were synthesized through a two-step hydrother-mal growth process on a flexible titanium foil substrate. The HNW photoelectrode offered a high surface area to load sen-sitizer while maintaining its well elctron tranfer ability. Therefore, the power conversion efficiency of CdSe Quantum-dot sensitized solar cells based on such photoelectrode showed a significant enhancement compared to TiO2 nanowire with similar thickness,which achieved 0.72%. |
| |
Keywords: | QDSSC nanowire CdSe |
本文献已被 维普 等数据库收录! |