The effects of pyridine derivative additives on interface processes at nanocrystalline TiO2 thin film in dye-sensitized solar cells
文献类型：期刊论文
| 作者 | Yin, Xiong; Zhao, Hui; Chen, Liping; Tan, Weiwei; Zhang, Jingbo; Weng, Yuxiang; Shuai, Zhigang; Xiao, Xurui; Zhou, Xiaowen; Li, Xueping |
| 刊名 | SURFACE AND INTERFACE ANALYSIS
 |
| 出版日期 | 2007-10-01 |
| 卷号 | 39期号:10页码:809-816 |
| ISSN号 | 0142-2421 |
| DOI | 10.1002/sia |
| 英文摘要 | 2-Methyl-4-propoxypyridine, a new pyridine derivative, has been synthesized and used as an additive in the liquid electrolyte of dye-sensitized solar cells (DSSCs). Compared with 2-methylpyridne and 4-tertpyridine, they were employed to study the influence of the pyridine derivative additives on the rate of recombination at the electrode/dye/electrolyte interfaces and band edge shift of TiO2, which were measured by time-resolved mid-infrared absorption spectroscopy and Mott-Schottky analysis, respectively. It was found that the rate of interfacial charge recombination was enhanced when the pyridine derivative additives were present in the electrolyte. Meanwhile, the additives caused a negative shift of the band edge. However, the net effect of pyridine derivative addition was to improve the open-circuit photovoltage according to the photoelectrochernical measurement, indicating that negative shift of conduction band of TiO2 was a predominant factor in improving the open-circuit photovoltage. Also, the result was strongly supported by the dark current measurement. Therefore, it provides a microscopic account for the function of the pyridine derivative additives on the open-circuit photovoltage enhancement of the DSSCs. Furthermore, the decrease of the short-circuit photocurrent of the cells was also attributed to the slower dye regeneration due to the addition of additives from the results of cyclic voltammetry measurement. Copyright (C) 2007 John Wiley & Sons, Ltd. |
| 语种 | 英语 |
| 出版者 | JOHN WILEY & SONS LTD |
| WOS记录号 | WOS:000250419800005 |
| 源URL | [http://ir.iccas.ac.cn/handle/121111/61501]  |
| 专题 | 中国科学院化学研究所 |
| 通讯作者 | Lin, Yuan |
| 作者单位 | 1.Chinese Acad Sci, Inst Phys, Beijing Natl Lab & Condensed Matter Phys, Lab Soft Matter Phys, Beijing 100080, Peoples R China 2.Chinese Acad Sci, Inst Chem, Key Lab Organ Solids, Beijing 100080, Peoples R China 3.Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China 4.Chinese Acad Sci, Inst Chem, Beijing Natl Lab Mol Sci, Key Lab Photochem, Beijing 100080, Peoples R China |
| 推荐引用方式 GB/T 7714 | Yin, Xiong,Zhao, Hui,Chen, Liping,et al. The effects of pyridine derivative additives on interface processes at nanocrystalline TiO2 thin film in dye-sensitized solar cells[J]. SURFACE AND INTERFACE ANALYSIS,2007,39(10):809-816. |
| APA | Yin, Xiong.,Zhao, Hui.,Chen, Liping.,Tan, Weiwei.,Zhang, Jingbo.,...&Lin, Yuan.(2007).The effects of pyridine derivative additives on interface processes at nanocrystalline TiO2 thin film in dye-sensitized solar cells.SURFACE AND INTERFACE ANALYSIS,39(10),809-816. |
| MLA | Yin, Xiong,et al."The effects of pyridine derivative additives on interface processes at nanocrystalline TiO2 thin film in dye-sensitized solar cells".SURFACE AND INTERFACE ANALYSIS 39.10(2007):809-816. |
入库方式： OAI收割
来源：化学研究所
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