DOI: 10.1557/opl.2012.788. All-polymer bulk heterojunction solar cells with high fill factors based on blends of poly-3-hexylthiophene: poly(perylene diimide-alt-terthiophene)

All-polymer bulk heterojunction solar cells with high fill factors based on blends of poly-3-hexylthiophene: poly(perylene diimide-alt-terthiophene)

10.1557/opl.2012.788

Crossref journal-article

Springer Science and Business Media LLC

MRS Proceedings (297)

Abstract

ABSTRACTThe photovoltaic characteristics of all polymer bulk heterojunction solar cells made of P3HT and a perylene diimide-based copolymer (PEK3) have been studied. Thermal annealing is needed to improve the performances. Annealing optimization induces an enhancement of the power conversion efficiency from 0.06 to 1%, Jsc from 0.24 to 2.9 mA/cm2 and FF from 0.32 to 0.59. The origin of such improvements has been investigated by studying the P3HT:PEK3 blend morphology, by means of absorption and emission spectroscopy and charge transport, from single carrier measurements on P3HT:PEK3 diodes. Upon annealing we have observed an increase in phase segregation and a 100-fold enhancement of the hole and electron mobilities, that favor the dissociation of bound electron-hole pairs and their transport to the electrodes. This explains the high FF of the annealed P3HT:PEK3 solar cell.

Bibliography

Kotowski, D., Kozma, E., Catellani, M., & Luzzati, S. (2012). All-polymer bulk heterojunction solar cells with high fill factors based on blends of poly-3-hexylthiophene: poly(perylene diimide-alt-terthiophene). MRS Proceedings, 1390.

Authors 4

Dariusz Kotowski (first)
Erika Kozma (additional)
Marinella Catellani (additional)
Silvia Luzzati (additional)

References 16 Referenced 6

10.1002/adfm.200400345
10.1002/adfm.200500420
10.1016/0038-1098(89)90087-2
10.1016/j.polymer.2010.03.040
10.1039/c0jm03405c
10.1002/adfm.200801514
10.1021/nl802425r
10.1002/pip.796
10.1021/jp110990w
10.1002/anie.201006633 / Angew. Chem. Int. Ed. by Zhou (2011)
10.1063/1.2975160
10.1063/1.2738197
10.1063/1.1728487
10.1088/0022-3727/3/2/308
10.1039/b907163f
10.1039/b808004f

Dates

Type	When
Created	13 years, 4 months ago (April 18, 2012, 4:47 a.m.)
Deposited	4 years, 6 months ago (Feb. 24, 2021, 3:50 p.m.)
Indexed	2 years, 1 month ago (July 18, 2023, 3:15 a.m.)
Issued	13 years, 8 months ago (Jan. 1, 2012)
Published	13 years, 8 months ago (Jan. 1, 2012)
Published Online	13 years, 4 months ago (April 18, 2012)
Published Print	13 years, 8 months ago (Jan. 1, 2012)

Funders 0

None

BibTeX

@article{Kotowski_2012, title={All-polymer bulk heterojunction solar cells with high fill factors based on blends of poly-3-hexylthiophene: poly(perylene diimide-alt-terthiophene)}, volume={1390}, ISSN={1946-4274}, url={http://dx.doi.org/10.1557/opl.2012.788}, DOI={10.1557/opl.2012.788}, journal={MRS Proceedings}, publisher={Springer Science and Business Media LLC}, author={Kotowski, Dariusz and Kozma, Erika and Catellani, Marinella and Luzzati, Silvia}, year={2012} }

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