Hybrid tandem solar cells with depleted-heterojunction quantum dot and polymer bulk heterojunction subcells
Kim, Taesoo1; Gao, Yangqin1; Hu, Hanlin1; Yan, Buyi1; Ning, Zhijun2,3; Jagadamma, Lethy Krishnan1; Zhao, Kui1; Kirmani, Ahmad R.1; Eid, Jessica1; Adachi, Michael M.2; Sargent, Edward H.2; Beaujuge, Pierre M.1; Amassian, Aram1
Source PublicationNANO ENERGY
AbstractWe investigate hybrid tandem solar cells that rely on the combination of solution-processed depleted-heterojunction colloidal quantum dot (CQD) and bulk heterojunction polymer:fullerene subcells. The hybrid tandem solar cell is monolithically integrated and electrically connected in series with a suitable p-n recombination layer that includes metal oxides and a conjugated polyelectrolyte. We discuss the monolithic integration of the subcells, taking into account solvent interactions with underlayers and associated constraints on the tandem architecture, and show that an adequate device configuration consists of a low bandgap CQD bottom cell and a high bandgap polymer:fullerene top cell. Once we optimize the recombination layer and individual subcells, the hybrid tandem device reaches a V-OC of 1.3 V, approaching the sum of the individual subcell voltages. An impressive fill factor of 70% is achieved, further confirming that the subcells are efficiently connected via an appropriate recombination layer. (C) 2015 Published by Elsevier Ltd.
KeywordHybrid tandem solar cells Colloidal quantum dot Polymer Conjugated polyelectrolyte
Indexed BySCI ; EI
Funding ProjectKing Abdullah University of Science and Technology (KAUST)[KUS-11-009-21]
WOS Research AreaChemistry ; Science & Technology - Other Topics ; Materials Science ; Physics
WOS SubjectChemistry, Physical ; Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Physics, Applied
WOS IDWOS:000366149000022
EI Accession Number20153901319984
EI KeywordsConjugated polymers ; Energy gap ; Fullerenes ; Monolithic integrated circuits ; Nanocrystals ; Polyelectrolytes ; Polymers ; Semiconductor quantum dots ; Solar cells
EI Classification NumberSolar Cells:702.3 ; Semiconductor Devices and Integrated Circuits:714.2 ; Nanotechnology:761 ; Chemical Products Generally:804 ; Polymeric Materials:815.1 ; Organic Polymers:815.1.1
Original Document TypeArticle
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Cited Times:24[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Corresponding AuthorBeaujuge, Pierre M.
Affiliation1.KAUST, Phys Sci & Engn Div, SPERC, Thuwal 239556900, Saudi Arabia
2.Univ Toronto, Dept Elect & Comp Engn, Toronto, ON M5S 3G4, Canada
3.ShanghaiTech Univ, Sch Phys Sci & Technol, Shanghai 201210, Peoples R China
Recommended Citation
GB/T 7714
Kim, Taesoo,Gao, Yangqin,Hu, Hanlin,et al. Hybrid tandem solar cells with depleted-heterojunction quantum dot and polymer bulk heterojunction subcells[J]. NANO ENERGY,2015,17:196-205.
APA Kim, Taesoo.,Gao, Yangqin.,Hu, Hanlin.,Yan, Buyi.,Ning, Zhijun.,...&Amassian, Aram.(2015).Hybrid tandem solar cells with depleted-heterojunction quantum dot and polymer bulk heterojunction subcells.NANO ENERGY,17,196-205.
MLA Kim, Taesoo,et al."Hybrid tandem solar cells with depleted-heterojunction quantum dot and polymer bulk heterojunction subcells".NANO ENERGY 17(2015):196-205.
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