ITO@Cu2S Tunnel Junction Nanowire Arrays as Efficient Counter Electrode for Quantum-Dot-Sensitized Solar Cells
文献类型：期刊论文
| 作者 | Jiang, Yan; Zhang, Xing; Ge, Qian-Qing; Yu, Bin-Bin; Zou, Yu-Gang; Jiang, Wen-Jie; Song, Wei-Guo; Wan, Li-Jun; Hu, Jin-Song |
| 刊名 | NANO LETTERS
 |
| 出版日期 | 2014 |
| 卷号 | 14期号:1页码:365-372 |
| 关键词 | Quantum Dots Solar Cells Nanowires Tunnel Junctions Counter Electrodes |
| ISSN号 | 1530-6984 |
| DOI | 10.1021/nl404251p |
| 英文摘要 | Quantum-dot-sensitized solar cell (QDSSC) has been considered as an alternative to new generation photovoltaics, but it still presents very low power conversion efficiency. Besides the continuous effort on improving photoanodes and electrolytes, the focused investigation on charge transfer at interfaces and the rational design for counter electrodes (CEs) are recently receiving much attention. Herein, core-shell nanowire arrays with tin-doped indium oxide (ITO) nanowire core and Cu2S nanocrystal shell (ITO@Cu2S) were dedicatedly designed and fabricated as new efficient CEs for QDSSCs in order to improve charge collection and transport and to.avoid the intrinsic issue of copper dissolution in popular and most efficient Cu/Cu2S CEs. The high-quality tunnel junctions formed between n-type ITO nanowires and p-type Cu2S nanocrystals led to the considerable decrease in sheet resistance and charge transfer resistance and thus facilitated the electron transport during the operation of QDSSCs. The three-dimensional structure of nanowire arrays provided high surface area for more active catalytic sites and easy accessibility for an electrolyte. As a result, the power conversion efficiency of QDSSCs with the designed ITO@Cu2S CEs increased by 84.5 and 33.5% compared to that with planar Au and Cu2S CEs, respectively. |
| 语种 | 英语 |
| WOS记录号 | WOS:000329586700058 |
| 出版者 | AMER CHEMICAL SOC |
| 源URL | [http://ir.iccas.ac.cn/handle/121111/51799]  |
| 专题 | 中国科学院化学研究所 |
| 通讯作者 | Song, Wei-Guo |
| 作者单位 | Chinese Acad Sci, Inst Chem, Beijing Natl Lab Mol Sci, CAS Key Lab Mol Nanostruct & Nanotechnol, Beijing 100190, Peoples R China |
| 推荐引用方式 GB/T 7714 | Jiang, Yan,Zhang, Xing,Ge, Qian-Qing,et al. ITO@Cu2S Tunnel Junction Nanowire Arrays as Efficient Counter Electrode for Quantum-Dot-Sensitized Solar Cells[J]. NANO LETTERS,2014,14(1):365-372. |
| APA | Jiang, Yan.,Zhang, Xing.,Ge, Qian-Qing.,Yu, Bin-Bin.,Zou, Yu-Gang.,...&Hu, Jin-Song.(2014).ITO@Cu2S Tunnel Junction Nanowire Arrays as Efficient Counter Electrode for Quantum-Dot-Sensitized Solar Cells.NANO LETTERS,14(1),365-372. |
| MLA | Jiang, Yan,et al."ITO@Cu2S Tunnel Junction Nanowire Arrays as Efficient Counter Electrode for Quantum-Dot-Sensitized Solar Cells".NANO LETTERS 14.1(2014):365-372. |
入库方式： OAI收割
来源：化学研究所
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