The DOI matches its Crossref record; 58 of the 58 references it cites were found in a registry or an index.
Efficiency Enhancement in Organic Photovoltaic Cells: Consequences of Optimizing Series Resistance
Abstract
Here, means to enhance power conversion efficiency (PCE or η) in bulk‐heterojunction (BHJ) organic photovoltaic (OPV) cells by optimizing the series resistance (Rs)—also known as the cell internal resistance—are studied. It is shown that current state‐of‐the‐art BHJ OPVs are approaching the limit for which efficiency can be improved via Rs reduction alone. This evaluation addresses OPVs based on a poly(3‐hexylthiophene):6,6‐phenyl C 61‐butyric acid methyl ester (P3HT:PCBM) active layer, as well as future high‐efficiency OPVs (η > 10%). A diode‐based modeling approach is used to assess changes in Rs. Given that typical published P3HT:PCBM test cells have relatively small areas (∼0.1 cm 2), the analysis is extended to consider efficiency losses for larger area cells and shows that the transparent anode conductivity is then the dominant materials parameter affecting Rs efficiency losses. A model is developed that uses cell sizes and anode conductivities to predict current–voltage response as a function of resistive losses. The results show that the losses due to Rs remain minimal until relatively large cell areas (>0.1 cm 2) are employed. Finally, Rs effects on a projected high‐efficiency OPV scenario are assessed, based on the goal of cell efficiencies >10%. Here, Rs optimization effects remain modest; however, there are now more pronounced losses due to cell size, and it is shown how these losses can be mitigated by using higher conductivity anodes.
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Cited by
Noh, J. H., Im, S. H., Heo, J. H., Mandal, T. N., & Seok, S. I. (2013) · Nano Letters · doi:10.1021/nl400349b · Cited by 4,829
Metal oxides for optoelectronic applications
Yu, X., Marks, T. J., & Facchetti, A. (2016) · Nature Materials · doi:10.1038/nmat4599 · Cited by 1,596
Self-citationZhang, Z.-G., Qi, B., Jin, Z., Chi, D., Qi, Z., Li, Y., & Wang, J. (2014) · Energy & Environmental Science · doi:10.1039/c4ee00022f · Cited by 835
Graphene as Transparent Electrode Material for Organic Electronics
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Metadata
- Authors
- Servaites, J. D., Yeganeh, S., Marks, T. J., & Ratner, M. A.
- Venue
- Advanced Functional Materials
- Publisher
- Wiley
- Published
- 2009-12-28
- Volume
- 20
- Issue
- 1
- Pages
- 97-104
- ISSN
- 1616-301X (ISSN-L)
- 1616-3028
- OpenAlex
- W2084510932
- Cited by
- 295
- References
- 58
- FWCI
- 14.52
- Type
- journal article
- Language
- en
- Open access
- closed
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- Servaites, J. D., Yeganeh, S., Marks, T. J., & Ratner, M. A. (2010). Efficiency Enhancement in Organic Photovoltaic Cells: Consequences of Optimizing Series Resistance. Advanced Functional Materials. https://doi.org/10.1002/adfm.200901107
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