ICCAS OpenIR
High-Efficiency Dye-Sensitized Solar Cells: The Influence of Lithium Ions on Exciton Dissociation, Charge Recombination, and Surface States
Yu, Qingjiang; Wang, Yinghui; Yi, Zhihui; Zu, Ningning; Zhang, Jing; Zhang, Min; Wang, Peng
2010-10-01
Source PublicationACS NANO
ISSN1936-0851
Volume4Issue:10Pages:6032-6038
AbstractWe present a time-saving staining protocol based upon the low-toxicity and nonvolatile solvent dimethyl sulfoxide for a high-efficiency dye-sensitized solar cell, which is very critical for the roll-to-roll flexible cell production. Power conversion efficiencies of 11.7-12.1% were achieved under AM1.5G simulated sunlights. The intrinsic roles of lithium cations on efficiency enhancement were scrutinized by measuring transient absorption and electrical impedance spectroscopies. Our studies have revealed that lithium ions can enhance exciton dissociation at the energy-offset dye/titania interface effectively. Charge collection is not found to be a crucial current loss channel in our high-efficiency dye-sensitized solar cell.
KeywordSolar Cells Exciton Dissociation Charge Recombination Surface States Transient Absorption Spectroscopy Impedance Spectroscopy
DOI10.1021/nn101384e
Indexed BySCI
Language英语
WOS IDWOS:000283453700072
PublisherAMER CHEMICAL SOC
Citation statistics
Cited Times:448[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/69076
Collection中国科学院化学研究所
Corresponding AuthorWang, Peng
AffiliationChinese Acad Sci, Changchun Inst Appl Chem, State Key Lab Polymer Phys & Chem, Changchun 130022, Peoples R China
Recommended Citation
GB/T 7714
Yu, Qingjiang,Wang, Yinghui,Yi, Zhihui,et al. High-Efficiency Dye-Sensitized Solar Cells: The Influence of Lithium Ions on Exciton Dissociation, Charge Recombination, and Surface States[J]. ACS NANO,2010,4(10):6032-6038.
APA Yu, Qingjiang.,Wang, Yinghui.,Yi, Zhihui.,Zu, Ningning.,Zhang, Jing.,...&Wang, Peng.(2010).High-Efficiency Dye-Sensitized Solar Cells: The Influence of Lithium Ions on Exciton Dissociation, Charge Recombination, and Surface States.ACS NANO,4(10),6032-6038.
MLA Yu, Qingjiang,et al."High-Efficiency Dye-Sensitized Solar Cells: The Influence of Lithium Ions on Exciton Dissociation, Charge Recombination, and Surface States".ACS NANO 4.10(2010):6032-6038.
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