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Solvent vapor annea...
Solvent vapor annealing on perylene-based organic solar cells
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- Grob, Stefan (författare)
- Univ Augsburg, Inst Phys, D-86135 Augsburg, Germany.
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- Bartynski, Andrew N. (författare)
- Humboldt Univ, Inst Phys, D-12489 Berlin, Germany.
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- Opitz, Andreas (författare)
- Univ So Calif, Dept Chem, Dept Chem Engn, Los Angeles, CA 90089 USA.
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- Gruber, Mark (författare)
- Univ Augsburg, Inst Phys, D-86135 Augsburg, Germany.
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- Grassl, Florian (författare)
- Univ Augsburg, Inst Phys, D-86135 Augsburg, Germany.
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- Meister, Eduard (författare)
- Univ Augsburg, Inst Phys, D-86135 Augsburg, Germany.
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- Linderl, Theresa (författare)
- Univ Augsburg, Inst Phys, D-86135 Augsburg, Germany.
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- Hoermann, Ulrich (författare)
- Univ Augsburg, Inst Phys, D-86135 Augsburg, Germany.
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- Lorch, Christopher (författare)
- Univ Tubingen, Inst Angew Phys, D-72076 Tubingen, Germany.
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- Moons, Ellen, 1966- (författare)
- Karlstads universitet,Avdelningen för fysik och elektroteknik
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- Schreiber, Frank (författare)
- Univ Tubingen, Inst Angew Phys, D-72076 Tubingen, Germany.
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- Thompson, Mark E. (författare)
- Humboldt Univ, Inst Phys, D-12489 Berlin, Germany.
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- Bruetting, Wolfgang (författare)
- Univ Augsburg, Inst Phys, D-86135 Augsburg, Germany.
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Univ Augsburg, Inst Phys, D-86135 Augsburg, Germany Humboldt Univ, Inst Phys, D-12489 Berlin, Germany. (creator_code:org_t)
- 2015
- 2015
- Engelska.
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Ingår i: Journal of Materials Chemistry A. - : Royal Society of Chemistry. - 2050-7488 .- 2050-7496. ; 3:30, s. 15700-15709
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https://kau.diva-por... (primary) (Raw object)
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Abstract
Ämnesord
Stäng
- Diindenoperylene (DIP) and tetraphenyldibenzoperiflanthene (DBP) are two commonly used donor materials in organic solar cell devices. Despite their structural similarities, DIP films are crystalline, exhibiting good charge and exciton transport, whereas DBP films are amorphous and have lower carrier mobility and a short exciton diffusion length. However, DBP reveals a distinctly higher absorption due to the lying orientation of its transition dipole moments. In this paper, we investigate the influence of solvent vapor annealing (SVA) on the solar cell performance of both materials. In general, SVA induces a partial re-solubilization of the material leading to enhanced crystallinity of the treated layer. For DBP, extended annealing times result in a strong aggregation of the molecules, creating inhomogeneous layers unfavorable for solar cells. However, in DIP cells, SVA leads to an increase in fill factor (FF) and also a slight increase in short-circuit current density (JSC) due to interface roughening. The best results are obtained by combining solvent vapor annealed DIP layers with strongly absorbing DBP and C-70 on top. Through this device architecture, we obtain the same increase in FF in addition to a higher gain in J(SC), elevating the power conversion efficiency by a factor of 1.2 to more than 4%.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Kemiteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Chemical Engineering (hsv//eng)
Nyckelord
- Chemical Engineering
- Kemiteknik
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Grob, Stefan
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Bartynski, Andre ...
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Opitz, Andreas
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Gruber, Mark
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Grassl, Florian
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Meister, Eduard
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Linderl, Theresa
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Hoermann, Ulrich
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Lorch, Christoph ...
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Moons, Ellen, 19 ...
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Schreiber, Frank
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Thompson, Mark E ...
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Bruetting, Wolfg ...
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- TEKNIK OCH TEKNOLOGIER
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TEKNIK OCH TEKNO ...
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Journal of Mater ...
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Karlstads universitet