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An Organic “Donor‐Free” Dye with Enhanced Open‐Circuit Voltage in Solid‐State Sensitized Solar Cells
Author(s) -
Abate Antonio,
Planells Miquel,
Hollman Derek J.,
Stranks Samuel D.,
Petrozza Annamaria,
Kandada Ajay Ram Srimath,
Vaynzof Yana,
Pathak Sandeep K.,
Robertson Neil,
Snaith Henry J.
Publication year - 2014
Publication title -
advanced energy materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 10.08
H-Index - 220
eISSN - 1614-6840
pISSN - 1614-6832
DOI - 10.1002/aenm.201400166
Subject(s) - open circuit voltage , materials science , solid state , organic solar cell , conjugated system , electron donor , state (computer science) , acceptor , voltage , electron acceptor , service (business) , optoelectronics , electrical engineering , photochemistry , computer science , engineering physics , photovoltaic system , organic chemistry , chemistry , physics , engineering , business , catalysis , composite material , algorithm , condensed matter physics , marketing , polymer
Organic dyes for solid‐state sensitized solar cells are commonly prepared by combining an electron‐withdrawing group (acceptor, A) on one side of a conjugated π‐spacer and one or more electron‐donating groups (donor, D) on the other side. It is shown that without an electron donor group a significantly higher open‐circuit voltage is achieved, while maintaining the short‐circuit current.