The DOI matches its Crossref record; 30 of the 30 references it cites were found in a registry or an index.
Molecular Miscibility of Polymer−Fullerene Blends
Abstract
The device function of polymer bulk heterojunction (BHJ) solar cells has been commonly interpreted to arise from charge separation at discrete interfaces between phase-separated materials and subsequent charge transport through these phases without consideration of phase purity. To probe composition, the miscibility of poly(3-hexylthiophene) (P3HT) and poly(2-methoxy-5-(3′,7′-dimethyloctyloxy)-1,4-phenylenevinylene) (MDMO-PPV) with phenyl-C 61 -butyric acid methyl ester (PCBM) has been determined, while the effects of polymer crystallinity on miscibility are probed using P3HT grades of varying regioregularity. It is found that, while no intercalation occurs in P3HT crystals, amorphous portions of P3HT and MDMO-PPV contain significant concentrations of PCBM, calling into question models based on pure phases and discrete interfaces. Furthermore, depth profiles of P3HT/PCBM bilayers reveal that even short annealing causes significant interdiffusion of both materials, showing that under no conditions do pure amorphous phases exist in BHJ or annealed bilayer devices. These results suggest that current models of charge separation and transport must be refined.
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Cites
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Polymer‐Fullerene Bulk‐Heterojunction Solar Cells
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Polymer–Fullerene Bulk‐Heterojunction Solar Cells
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Cited by
Li, S., Ye, L., Zhao, W., Zhang, S., Mukherjee, S., Ade, H., & Hou, J. (2016) · Advanced Materials · doi:10.1002/adma.201602776 · Cited by 1,380
Self-citationMüller‐Buschbaum, P. (2014) · Advanced Materials · doi:10.1002/adma.201304187 · Cited by 730
Collins, B. A., Li, Z., Tumbleston, J. R., Gann, E., McNeill, C. R., & Ade, H. (2013) · Advanced Energy Materials · doi:10.1002/aenm.201200377 · Cited by 649
Self-citationA molecular interaction–diffusion framework for predicting organic solar cell stability
Ghasemi, M., Balar, N., Peng, Z., Hu, H., Qin, Y., Kim, T., Rech, J. J., Bidwell, M., Mask, W., McCulloch, I., et al. (2021) · Nature Materials · doi:10.1038/s41563-020-00872-6 · Cited by 409
Self-citationMorphology characterization in organic and hybrid solar cells
Chen, W., Nikiforov, M. P., & Darling, S. B. (2012) · Energy & Environmental Science · doi:10.1039/c2ee22056c · Cited by 400
Metadata
- Authors
- Collins, B. A., Gann, E., Guignard, L., He, X., McNeill, C. R., & Ade, H.
- Venue
- The Journal of Physical Chemistry Letters
- Publisher
- American Chemical Society (ACS)
- Published
- 2010-10-19
- Volume
- 1
- Issue
- 21
- Pages
- 3160-3166
- ISSN
- 1948-7185 (ISSN-L)
- OpenAlex
- W2320645230
- Cited by
- 386
- References
- 30
- FWCI
- 31.40
- Type
- journal article
- Language
- en
- Open access
- closed
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- Collins, B. A., Gann, E., Guignard, L., He, X., McNeill, C. R., & Ade, H. (2010). Molecular Miscibility of Polymer−Fullerene Blends. The Journal of Physical Chemistry Letters. https://doi.org/10.1021/jz101276h
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