Parallel Bulk-Heterojunction Solar Cell by Electrostatically Driven Phase Separation

Thermal co‐evaporation of C60 fullerene and two merocyanine dyes affords bulk heterojunction solar cells with improved short‐circuit currents and power conversion efficiencies in comparison with the respective single donor cells. These results are rationalized by the formation of three distinct subp...

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Bibliographic Details
Published in:Advanced materials (Weinheim) 2011-12, Vol.23 (45), p.5398-5403
Main Authors: Ojala, Antti, Bürckstümmer, Hannah, Stolte, Matthias, Sens, Rüdiger, Reichelt, Helmut, Erk, Peter, Hwang, Jaehyung, Hertel, Dirk, Meerholz, Klaus, Würthner, Frank
Format: Article
Language:English
Subjects:
Absorption
blend donors
Electric Power Supplies
merocyanine
multijunctions
phase separation
solar cells
Spectrum Analysis
Static Electricity
Sunlight
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Summary:Thermal co‐evaporation of C60 fullerene and two merocyanine dyes affords bulk heterojunction solar cells with improved short‐circuit currents and power conversion efficiencies in comparison with the respective single donor cells. These results are rationalized by the formation of three distinct subphases driven by differences in molecular shape and electrostatic interactions.
ISSN:0935-9648
1521-4095
DOI:10.1002/adma.201103167