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Sulfide-Based Ionic Liquid Electrolyte Widening the Application Temperature Range of Quantum-Dot-Sensitized Solar Cells
Shi Ji-Fu1; Huang Qi-Zhang1,2; Wan Qing-Cui1; Xu Xue-Qing1; Li Chun-Sheng3; Xu Gang1
2016-04-15
Source PublicationACTA PHYSICO-CHIMICA SINICA
Volume32Issue:4Pages:822-827
AbstractWe report the preparation and application of a 1-methyl-3-propylimidazolium sulfide-based ionic liquid electrolyte for quantum-dot-sensitized solar cells. By optimizing the concentrations of S and Na2S, a considerable conductivity of 12.96 mS.cm(-1) is achieved at 25 degrees C. Differential scanning calorimetry indicates that the glass transition temperature of the electrolyte is -85 degrees C. The quantum-dot-sensitized solar cell assembled with this ionic liquid electrolyte displays a high energy conversion efficiency (eta) of 3.03% at 25 C, which is comparable to the efficiency of quantum-dot-sensitized solar cells using a water-based polysulfide electrolyte (q = 3.34%). Due to the favorable thermal properties of this ionic liquid electrolyte (lower glass transition temperature and nonvolatility at higher temperatures), the quantum-dot-sensitized solar cell maintains satisfactory eta even at -20 degrees C (eta = 2.32%) and 80 degrees C (eta = 1.90%), which is superior to the cell using the water based polysulfide electrolyte.
SubtypeArticle
KeywordQuantum-dot-sensitized Solar Cell Ionic Liquid Electrolyte 1-methyl-3-propylimidazolium Sulfide Application Temperature Efficiency
WOS HeadingsScience & Technology ; Physical Sciences
WOS Subject ExtendedChemistry
WOS KeywordHIGHLY EFFICIENT ; POLYSULFIDE ELECTROLYTE
Indexed BySCI
Language英语
WOS SubjectChemistry, Physical
WOS IDWOS:000374712500001
Citation statistics
Document Type期刊论文
Identifierhttp://ir.giec.ac.cn/handle/344007/11387
Collection中国科学院广州能源研究所
Affiliation1.Chinese Acad Sci, Guangdong Key Lab New & Renewable Energy Res & De, Key Lab Renewable Energy & Gas Hydrate, Guangzhou Inst Energy Convers, Guangzhou 510640, Guangdong, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.North China Univ Sci & Technol, Coll Chem Engn, Tangshan 063009, Hebei Province, Peoples R China
Recommended Citation
GB/T 7714
Shi Ji-Fu,Huang Qi-Zhang,Wan Qing-Cui,et al. Sulfide-Based Ionic Liquid Electrolyte Widening the Application Temperature Range of Quantum-Dot-Sensitized Solar Cells[J]. ACTA PHYSICO-CHIMICA SINICA,2016,32(4):822-827.
APA Shi Ji-Fu,Huang Qi-Zhang,Wan Qing-Cui,Xu Xue-Qing,Li Chun-Sheng,&Xu Gang.(2016).Sulfide-Based Ionic Liquid Electrolyte Widening the Application Temperature Range of Quantum-Dot-Sensitized Solar Cells.ACTA PHYSICO-CHIMICA SINICA,32(4),822-827.
MLA Shi Ji-Fu,et al."Sulfide-Based Ionic Liquid Electrolyte Widening the Application Temperature Range of Quantum-Dot-Sensitized Solar Cells".ACTA PHYSICO-CHIMICA SINICA 32.4(2016):822-827.
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