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Processing Additives for Improved Efficiency from Bulk Heterojunction Solar Cells
Abstract
Two criteria for processing additives introduced to control the morphology of bulk heterojunction (BHJ) materials for use in solar cells have been identified: (i) selective (differential) solubility of the fullerene component and (ii) higher boiling point than the host solvent. Using these criteria, we have investigated the class of 1,8-di(R)octanes with various functional groups (R) as processing additives for BHJ solar cells. Control of the BHJ morphology by selective solubility of the fullerene component is demonstrated using these high boiling point processing additives. The best results are obtained with R = Iodine (I). Using 1,8-diiodooctane as the processing additive, the efficiency of the BHJ solar cells was improved from 3.4% (for the reference device) to 5.1%.
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Cited by
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Metadata
- Authors
- Lee, J. K., Ma, W. L., Brabec, C. J., Yuen, J., Moon, J. S., Kim, J. Y., Lee, K., Bazan, G. C., & Heeger, A. J.
- Venue
- Journal of the American Chemical Society
- Publisher
- American Chemical Society (ACS)
- Published
- 2008-02-21
- Volume
- 130
- Issue
- 11
- Pages
- 3619-3623
- ISSN
- 0002-7863 (ISSN-L)
- 1520-5126
- OpenAlex
- W1981296117
- Cited by
- 1,613
- References
- 0
- FWCI
- 92.94
- Type
- journal article
- Language
- en
- Open access
- closed
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- Lee, J. K., Ma, W. L., Brabec, C. J., Yuen, J., Moon, J. S., Kim, J. Y., Lee, K., Bazan, G. C., & Heeger, A. J. (2008). Processing Additives for Improved Efficiency from Bulk Heterojunction Solar Cells. Journal of the American Chemical Society. https://doi.org/10.1021/ja710079w
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