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Investigation of the s-shape caused by the hole selective layer in bulk heterojunction solar cells (2014)
Journal Article
Sims, L., Hörmann, U., Hanfland, R., MacKenzie, R. C., Kogler, F. R., Steim, R., …Schilinsky, P. (2014). Investigation of the s-shape caused by the hole selective layer in bulk heterojunction solar cells. Organic Electronics, 15(11), 2862-2867. https://doi.org/10.1016/j.orgel.2014.08.010

A common failure mechanism of organic solar cells is the development of an s-shaped current voltage curve. Herein, we investigated the origin of this degradation mechanism by replacing the commonly used hole selective layer poly(3,4-ethylenedioxythio... Read More about Investigation of the s-shape caused by the hole selective layer in bulk heterojunction solar cells.

Fullerene-free organic solar cells with an efficiency of 3.7% based on a low-cost geometrically planar perylene diimide monomer (2014)
Journal Article
Singh, R., Aluicio-Sarduy, E., Kan, Z., Ye, T., MacKenzie, R., & Keivanidis, P. (2014). Fullerene-free organic solar cells with an efficiency of 3.7% based on a low-cost geometrically planar perylene diimide monomer. Journal of Materials Chemistry A, 2(35), 14348-14353. https://doi.org/10.1039/c4ta02851a

The aggregate-induced limitation for high power-conversion efficiencies (PCEs) of perylene-diimide (PDI): polymer solar cells can be circumvented when two simple rules are respected; the aggregate size of PDI remains short enough and the omnipresent... Read More about Fullerene-free organic solar cells with an efficiency of 3.7% based on a low-cost geometrically planar perylene diimide monomer.

A general mechanism for controlling thin film structures in all-conjugated block copolymer:fullerene blends (2014)
Journal Article
Dattani, R., Bannock, J. H., Fei, Z., MacKenzie, R. C., Guilbert, A. A., Vezie, M. S., …Nedoma, A. J. (2014). A general mechanism for controlling thin film structures in all-conjugated block copolymer:fullerene blends. Journal of Materials Chemistry A, 2, 14711-14719. https://doi.org/10.1039/c4ta03146f

Block copolymers have the potential to self-assemble into thermodynamically stable nanostructures that are desirable for plastic electronic materials with prolonged lifetimes. Fulfillment of this potential requires the simultaneous optimisation of th... Read More about A general mechanism for controlling thin film structures in all-conjugated block copolymer:fullerene blends.

Theory of Stark spectroscopy transients from thin film organic semiconducting devices (2014)
Journal Article
MacKenzie, R. C. I., Göritz, A., Greedy, S., von Hauff, E., & Nelson, J. (2014). Theory of Stark spectroscopy transients from thin film organic semiconducting devices. Physical review B: Condensed matter and materials physics, 89, 1-9. https://doi.org/10.1103/physrevb.89.195307

Herein, we propose a model to describe picosecond-nanosecond charge separation and nongeminate recombination in organic semiconductors. The model is used to explain time-resolved electroabsorption (EA) measurements performed on diodes made from pheny... Read More about Theory of Stark spectroscopy transients from thin film organic semiconducting devices.