Aryl end-capped quaterthiophenes applied as anode interfacial layers in inverted organic solar cells

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Aryl end-capped quaterthiophenes applied as anode interfacial layers in inverted organic solar cells. / Heiskanen, J. P.; Manninen, V. M.; Pankov, D.; Omar, W. A. E.; Kastinen, T.; Hukka, T. I.; Lemmetyinen, H. J.; Hormi, O. E. O.

In: Thin Solid Films, Vol. 574, 01.01.2015, p. 196-206.

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

Author

Heiskanen, J. P. ; Manninen, V. M. ; Pankov, D. ; Omar, W. A. E. ; Kastinen, T. ; Hukka, T. I. ; Lemmetyinen, H. J. ; Hormi, O. E. O. / Aryl end-capped quaterthiophenes applied as anode interfacial layers in inverted organic solar cells. In: Thin Solid Films. 2015 ; Vol. 574. pp. 196-206.

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@article{a1d37a6516a3482b8f1b180620153ca3,

title = "Aryl end-capped quaterthiophenes applied as anode interfacial layers in inverted organic solar cells",

abstract = "Four aryl end-capped quaterthiophene derivatives were synthesized and their material properties were studied by computational, spectroscopic, electrochemical, and thermoanalytical methods. Compounds were applied as interfacial layers between the bulk heterojunction active layer and Ag anode in inverted organic solar cells. Results show that p-cyanophenyl end-capped quaterthiophene with hexyl side chains increases both the short circuit current density and power conversion efficiency notably compared to reference interlayer material, tris-(8-hydroxyquinoline)aluminum. The improved cell performance was attributed to the optimal positions of the highest occupied molecular orbital and the lowest unoccupied molecular orbital (LUMO) of this material, relative to those of the photoactive electron donor poly(3-hexylthiophene) and Ag anode, and evenly distributed LUMO. In addition, the use of these materials as an anode interfacial layer increases the absorption of the solar cell, which could contribute to the formation of excitons and additional current production by the cell.",

keywords = "Anode interfacial layer, Bulk heterojunction, Computational research, Inverted organic solar cell, Oligothiophene, Spectroscopy, Suzuki-Miyaura",

author = "Heiskanen, {J. P.} and Manninen, {V. M.} and D. Pankov and Omar, {W. A. E.} and T. Kastinen and Hukka, {T. I.} and Lemmetyinen, {H. J.} and Hormi, {O. E. O.}",

note = "EXT={"}Heiskanen, J. P.{"}",

year = "2015",

month = "1",

day = "1",

doi = "10.1016/j.tsf.2014.12.007",

language = "English",

volume = "574",

pages = "196--206",

journal = "Thin Solid Films",

issn = "0040-6090",

publisher = "Elsevier",

}

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TY - JOUR

T1 - Aryl end-capped quaterthiophenes applied as anode interfacial layers in inverted organic solar cells

AU - Heiskanen, J. P.

AU - Manninen, V. M.

AU - Pankov, D.

AU - Omar, W. A. E.

AU - Kastinen, T.

AU - Hukka, T. I.

AU - Lemmetyinen, H. J.

AU - Hormi, O. E. O.

N1 - EXT="Heiskanen, J. P."

PY - 2015/1/1

Y1 - 2015/1/1

N2 - Four aryl end-capped quaterthiophene derivatives were synthesized and their material properties were studied by computational, spectroscopic, electrochemical, and thermoanalytical methods. Compounds were applied as interfacial layers between the bulk heterojunction active layer and Ag anode in inverted organic solar cells. Results show that p-cyanophenyl end-capped quaterthiophene with hexyl side chains increases both the short circuit current density and power conversion efficiency notably compared to reference interlayer material, tris-(8-hydroxyquinoline)aluminum. The improved cell performance was attributed to the optimal positions of the highest occupied molecular orbital and the lowest unoccupied molecular orbital (LUMO) of this material, relative to those of the photoactive electron donor poly(3-hexylthiophene) and Ag anode, and evenly distributed LUMO. In addition, the use of these materials as an anode interfacial layer increases the absorption of the solar cell, which could contribute to the formation of excitons and additional current production by the cell.

AB - Four aryl end-capped quaterthiophene derivatives were synthesized and their material properties were studied by computational, spectroscopic, electrochemical, and thermoanalytical methods. Compounds were applied as interfacial layers between the bulk heterojunction active layer and Ag anode in inverted organic solar cells. Results show that p-cyanophenyl end-capped quaterthiophene with hexyl side chains increases both the short circuit current density and power conversion efficiency notably compared to reference interlayer material, tris-(8-hydroxyquinoline)aluminum. The improved cell performance was attributed to the optimal positions of the highest occupied molecular orbital and the lowest unoccupied molecular orbital (LUMO) of this material, relative to those of the photoactive electron donor poly(3-hexylthiophene) and Ag anode, and evenly distributed LUMO. In addition, the use of these materials as an anode interfacial layer increases the absorption of the solar cell, which could contribute to the formation of excitons and additional current production by the cell.

KW - Anode interfacial layer

KW - Bulk heterojunction

KW - Computational research

KW - Inverted organic solar cell

KW - Oligothiophene

KW - Spectroscopy

KW - Suzuki-Miyaura

UR - http://www.scopus.com/inward/record.url?scp=84921286591&partnerID=8YFLogxK

U2 - 10.1016/j.tsf.2014.12.007

DO - 10.1016/j.tsf.2014.12.007

M3 - Article

VL - 574

SP - 196

EP - 206

JO - Thin Solid Films

JF - Thin Solid Films

SN - 0040-6090

ER -

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