Journal
ORGANIC ELECTRONICS
Volume 52, Issue -, Pages 71-78Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.orgel.2017.10.008
Keywords
Nanoparticles; Organic photovoltaic; Core-shell morphology; Mini-emulsion; Low-cost acceptor
Funding
- Office of the Prime Minister of Iraq through the Higher Committee for Education Development (HCED)
- Office of Science, Office of Basic Energy Sciences, of the U.S. Department of Energy [DE-AC02-05CH11231]
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We present the optimization and upscaling of water-based nanoparticle inks based on a novel donor-acceptor pair consisting of poly(3-hexylthiophene) (P3HT) and a newly developed indene-C-60 multiadducts (ICxA) that is comprised of indene-C-60 monoadduct (ICMA), indene-C-60 bisadduct (ICBA), and indene-C-60 trisadduct (ICTA). This material system has been used as a case study to explore the transition from OPV materials optimised for small-scale spin-coating to those optimised for large-scale printing. In particular, we have explored the effects of transitioning from a small-scale BHJ ink formulated from a high-cost acceptor to a large-scale NP ink formulated from a low-cost fullerene mixture. We show that it is possible to use a low-cost acceptor and to formulate the inks at scale with no loss in device performance.
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