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Environmental Passivation and Temperature Cycling of PCBM - Polymer Solar Cells

Published online by Cambridge University Press:  01 February 2011

Annick Anctil ,
Andrew Merrill ,
Cory Cress ,
Brian Landi  and
Ryne Raffaelle
Annick Anctil
Affiliation:
axa9518@rit.edu, Rochester Institute of Technology, Microsystems Engineering, Rochester, NY, 14623, United States
Andrew Merrill
Affiliation:
axa9518@rit.edu, Rochester Institute of Technology, Nanopower Research Laboratories, 85 Lomb Memorial Drive, Rochester, NY, 14623, United States
Cory Cress
Affiliation:
cory_cress@hotmail.com, Rochester Institute of Technology, Microsystems Engineering, Rochester, NY, 14623, United States
Brian Landi
Affiliation:
axa9518@rit.edu, Rochester Institute of Technology, Nanopower Research Laboratories, 85 Lomb Memorial Drive , Rochester, NY, 14623, United States
Ryne Raffaelle
Affiliation:
axa9518@rit.edu, Rochester Institute of Technology, Microsystems Engineering, Rochester, NY, 14623, United States
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Abstract

In the present work, polymer solar cells were fabricated from composite blends of poly[2-methoxy-5-(2-ethylhexyloxy)-1,4-phenylenevinylene] (MEH-PPV) and poly(3-hexylthiophene)-(P3HT with PCBM[60] and PCBM[70]. The composite blends were used as active layers in an ITO/PEDOT:PSS/active layer/Al device structure. Power conversion efficiencies have been measured from current-voltage (I-V) measurements for each of these different composite blends under simulated AM1.5 illumination. In the case of the MEH-PPV devices, the I-V performance has been measured as a function of polymer molecular weight, type of fullerene derivative (C60 or C70), and PCBM:polymer ratios. The highest efficiencies for the ranges used in this study were obtained using the 150,000 g/mol MEH-PPV molecular weight, the C70 PCBM derivative, and a 1:4 MEH-PPV:PCBM ratio. The effect of thermal cycling on the I-V performance for both MEH-PPV and P3HT devices has also been measured from 77K to 330K. The devices exhibited a positive temperature coefficient for the short-circuit current density (Jsc), which dominated the overall efficiency of the device over this temperature range. Finally, the use of a combination of parylene and polymethylmethacralate for device passivation was shown to provide a dramatic reduction in device degradation under ambient conditions as compared to non-passivated devices.

Keywords

photovoltaicpolymerpassivation
Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 1031: Symposium H – Nanostructured Solar Cells , 2007 , 1031-H09-23
Copyright
Copyright © Materials Research Society 2008

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References

[1] Kim, K., Liu, J., Namboothiry, M. A. G., Carroll, D. L., Applied Physics Letters 90 (2007) 163511/163511–163511/163513.Google Scholar
[2] Chang, E. C., Chao, C.-I., Lee, R.-H., Journal of Applied Polymer Science 101 (2006) 1919–1924.10.1002/app.23657Google Scholar
[3] Hiorns, R. C., Bettignies, R. de, Leroy, J. Bailly, S. Firon, M. Sentein, C. Khoukh, A. Preud'homme, H., Dagron-Lartigau, C., Advanced Functional Materials 16 (2006) 2263–2273.10.1002/adfm.200600005Google Scholar
[4] Krebs, F. C., Carle, J. E., Cruys-Bagger, N., Andersen, M. Lilliedal, M. R., Hammond, M. A., Hvidt, S. Solar Energy Materials & Solar Cells 86 (2005) 499–516.10.1016/j.solmat.2004.09.002Google Scholar
[5] Krebs, F. C., Solar Energy Materials & Solar Cells 90 (2006) 3633–3643.10.1016/j.solmat.2006.06.055Google Scholar
[6] Dennler, G. Lungenschmied, C. Neugebauer, H. Sariciftci, N. S., Latreche, M. Czeremuszkin, G. Wertheimer, M. R., Thin Solid Films 511–512 (2006) 349–353.Google Scholar
[7] Ma, W. Kim, J. Y., Lee, K. Heeger, A. J., Macromolecular Rapid Communications 28 (2007) 1776–1780.Google Scholar
[8] Guenes, S. Neugebauer, H. Sariciftci, N. S., Chemical Reviews (Washington, DC, United States) 107 (2007) 1324–1338.Google Scholar
[9] DiLeo, R. A. e. a., Determination of Nanomaterial Energy Levels for Organic Photovoltaics by Cyclic Voltammetry, in: MRS, Boston, 2007.Google Scholar
[10] Jain, S. C., Aernout, T. Kapoor, A. K., Kumar, V. Geens, W. Poortmans, J. Mertens, R. Synthetic Metals 148 (2005) 245–250.Google Scholar
[11] Kim, K. Liu, J. Namboothiry, M. A. G., Carroll, D. L., Applied Physics Letters 90 (2007) 163511/163511–163511/163513.Google Scholar