Increasing the open circuit voltage of bulk-heterojunction solar cells by raising the LUMO level of the acceptor

Floris B. Kooistra; Joop Knol; Fredrik Kastenberg; Lacramioara M. Popescu; Wiljan J. H. Verhees; Jan M. Kroon; Jan C. Hummelen

doi:10.1021/ol062666p

Increasing the open circuit voltage of bulk-heterojunction solar cells by raising the LUMO level of the acceptor

Floris B. Kooistra, Joop Knol, Fredrik Kastenberg, Lacramioara M. Popescu, Wiljan J. H. Verhees, Jan M. Kroon, Jan C. Hummelen^*

^*Corresponding author for this work

Research output: Contribution to journal › Article › Academic › peer-review

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Abstract

We report the synthesis, characterization, and electrochemical properties of ten new fullerene derivatives for usage in organic solar cells. The phenyl ring of PCBM was substituted with electron-donating and electron-withdrawing substituents to study their influence on the LUMO level of the parent fullerene. We varied the LUMO level over a range of 86 mV and show a small but significant change of the open circuit voltage upon application in MDMO-PPV:methanofullerene bulk-heterojunction photovoltaic cells.

Original language	English
Pages (from-to)	551-554
Number of pages	4
Journal	Organic letters
Volume	9
Issue number	4
DOIs	https://doi.org/10.1021/ol062666p
Publication status	Published - 15-Feb-2007

Keywords

PHOTOINDUCED ELECTRON-TRANSFER
POLYMER PHOTOVOLTAIC CELLS
EFFICIENCY
PERFORMANCE
BLENDS

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title = "Increasing the open circuit voltage of bulk-heterojunction solar cells by raising the LUMO level of the acceptor",

abstract = "We report the synthesis, characterization, and electrochemical properties of ten new fullerene derivatives for usage in organic solar cells. The phenyl ring of PCBM was substituted with electron-donating and electron-withdrawing substituents to study their influence on the LUMO level of the parent fullerene. We varied the LUMO level over a range of 86 mV and show a small but significant change of the open circuit voltage upon application in MDMO-PPV:methanofullerene bulk-heterojunction photovoltaic cells.",

keywords = "PHOTOINDUCED ELECTRON-TRANSFER, POLYMER PHOTOVOLTAIC CELLS, EFFICIENCY, PERFORMANCE, BLENDS",

author = "Kooistra, {Floris B.} and Joop Knol and Fredrik Kastenberg and Popescu, {Lacramioara M.} and Verhees, {Wiljan J. H.} and Kroon, {Jan M.} and Hummelen, {Jan C.}",

note = "Cited By (since 1996): 63",

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doi = "10.1021/ol062666p",

language = "English",

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pages = "551--554",

journal = "Organic letters",

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TY - JOUR

T1 - Increasing the open circuit voltage of bulk-heterojunction solar cells by raising the LUMO level of the acceptor

AU - Kooistra, Floris B.

AU - Knol, Joop

AU - Kastenberg, Fredrik

AU - Popescu, Lacramioara M.

AU - Verhees, Wiljan J. H.

AU - Kroon, Jan M.

AU - Hummelen, Jan C.

N1 - Cited By (since 1996): 63

PY - 2007/2/15

Y1 - 2007/2/15

N2 - We report the synthesis, characterization, and electrochemical properties of ten new fullerene derivatives for usage in organic solar cells. The phenyl ring of PCBM was substituted with electron-donating and electron-withdrawing substituents to study their influence on the LUMO level of the parent fullerene. We varied the LUMO level over a range of 86 mV and show a small but significant change of the open circuit voltage upon application in MDMO-PPV:methanofullerene bulk-heterojunction photovoltaic cells.

AB - We report the synthesis, characterization, and electrochemical properties of ten new fullerene derivatives for usage in organic solar cells. The phenyl ring of PCBM was substituted with electron-donating and electron-withdrawing substituents to study their influence on the LUMO level of the parent fullerene. We varied the LUMO level over a range of 86 mV and show a small but significant change of the open circuit voltage upon application in MDMO-PPV:methanofullerene bulk-heterojunction photovoltaic cells.

KW - PHOTOINDUCED ELECTRON-TRANSFER

KW - POLYMER PHOTOVOLTAIC CELLS

KW - EFFICIENCY

KW - PERFORMANCE

KW - BLENDS

U2 - 10.1021/ol062666p

DO - 10.1021/ol062666p

M3 - Article

SN - 1523-7060

VL - 9

SP - 551

EP - 554

JO - Organic letters

JF - Organic letters

IS - 4

ER -

Increasing the open circuit voltage of bulk-heterojunction solar cells by raising the LUMO level of the acceptor

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