Z. Kan, L. Colella, E. V Canesi, A. Vorobiev, V. Skrypnychuk, G. Terraneo, D. R Barbero, C. Bertarelli, R.C.I. MacKenzie, P. E Keivanidis, "Charge transport control via polymer polymorph modulation in ternary organic photovoltaic composites", Journal of Materials Chemistry A, Vol. 4, pp. 1195-1201, 2016
R.C.I. MacKenzie, V. S. Balderrama, S. Schmeisser, R. Stoof, S. Greedy, J. Pallarès, L. F. Marsal, A. Chanaewa, E. von Hauff ,"Loss mechanisms in high efficiency polymer solar cells", Advanced Energy Materials, 10.1002/aenm.201501742, 2015
Y. Gao, R.C.I. MacKenzie, Y. Liu, B. Xu , P. H. M. van Loosdrecht, and W. Tian,"Engineering Ultra Long Charge Carrier Lifetimes in Organic Electronic Devices at Room Temperature", Adv. Mater. Interfaces 2015, 2, 1400555
Work showcased on the inside front cover of the journal:
Y. Liu, R.C.I. MacKenzie, B. Xu, Y. Gao, M. Gimeno-Fabra, D. Grant, P. HM van Loosdrecht, W. Tian ,"Organic semiconductors with a charge carrier life time of over 2 hours at room temperature", J. Mater. Chem. C, 3, 12260-12266, 2015
L. Sims, U. Hörmann, R. Hanfland, R.C.I. MacKenzie, F. Renè Kogler, R. Steim, W. Brütting, P. Schilinsky ,"Investigation of the s-shape caused by the hole selective layer in bulk heterojunction solar cells", Organic Electronics 15, 2862-2867, 2014
"Fullerene-free organic solar cells with an efficiency of 3.7% based on a low-cost geometrically planar perylene diimide monomer", R. Singh, E. Aluicio-Sarduy, Z. Kan, T. Ye, R.C.I. MacKenzie and P. E. Keivanidis, J. Mater. Chem. A, Vol. 2, 14348-14353, 2014
B. J. Tremolet de Villers, R. MacKenzie, J. J. Jasieniak, N. D. Treat, M. L. Chabinyc,"Linking Vertical Bulk Heterojunction Composition and Transient Photocurrent Dynamics in Organic Solar Cells with Solution Processed MoOx Contact Layers", Advanced Energy Materials, Published on line 24 October 2013
R. Dattani, J. H. Bannock, Z. Fei, R. MacKenzie, A. A. Y. Guilbert, M. S. Vezie, J. Nelson, J. C. de Mello, M. Heeney, J. T. Cabral and A. J. Nedoma, "A general mechanism for controlling thin film structures in all-conjugated block copolymer:fullerene blends", J. Mater. Chem. A, 2, 14711-14719, 2014
D Amarasinghe Vithanage, A Devizis, V Abramavicius, Yingyot Infahsaeng, D Abramavicius, R. C. I. MacKenzie, PE Keivanidis, A Yartsev, D Hertel, J Nelson, V Sundström, V Gulbinas, "Visualizing charge separation in bulk heterojunction organic solar cells", Nature Communications 4, Article number: 2334, doi:10.1038/ncomms3334, 2013
Robert Hanfland, Martin A. Fischer, Wolfgang Brüutting, Uli Wüurfel and R. C. I. MacKenzie, , "The physical meaning of charge extraction by linearly increasing voltage transients from organic solar cells", Appl. Phys. Lett. 103, 063904, 2013
R. C. I. MacKenzie, Chris G. Shuttle, George F. Dibb , Neil Treat, Elizabeth von Hauff , Maxwell J. Robb, Craig J. Hawker, Michael L. Chabinyc, and Jenny Nelson, "Interpreting the Density of States Extracted from Organic Solar Cells Using Transient Photocurrent Measurements", J. Phys. Chem. C, 117 (24), pp 12407-12414, 2013
F. Deschler, D. Riedel , B. Ecker , E. D. Como, E. von Hauff and R. C. I. MacKenzie, "Increasing organic solar cell efficiency with polymer interlayers", Physical Chemistry Chemical Physics, 15 (3), pp. 764-769, 2013
Front cover November 2012:
M. M. Voigta, R. MacKenzie, S. P. King, C. P. Yau, P. Atienzar, J. Dane, P. E. Keivanidis, I. Zadrazil, D. D.C. Bradley, J. Nelson,"Gravure printing inverted organic solar cells: The influence of ink properties on film quality and device performance", Volume 105, Pages 77-85, 2012
R. C. I. MacKenzie, Chris G. Shuttle
Michael L. Chabinyc , and J. Nelson "Extracting microscopic device parameters from transient photo current measurements of P3HT:PCBM solar cells.", Advanced Energy Materials, Vol 2, Issue 6, pages 662-669, 2012
T .Kirchartz, W. Gong, S. Hawks, T. Agostinelli, R. C. I. MacKenzie, Y. Yang, J. Nelson, "Sensitivity of the Mott-Schottky Analysis in Organic Solar Cells", published on-line March 15, 2012, http://pubs.acs.org/doi/abs/10.1021/jp300397f
R. C. I. MacKenzie, T. Kirchartz, G. F. A. Dibb, and J. Nelson , "Modeling Nongeminate Recombination in P3HT:PCBM Solar Cells", J. Phys. Chem. C, 2011, 115 (19), pp 9806-9813
M. M. Voigt, R. C. I. MacKenzie, C. P. Yau, P. Atienzar, J. Dane, P. E. Keivanidis, D. D. C. Bradley, J. Nelson, "Gravure printing of inverted structures on flexible substrates", Solar Energy Materials and Solar Cells, 95, 2, pp. 731-734 , 2011
R. C. I. MacKenzie, Jarvist M. Frost, and Jenny Nelson, "A numerical study of mobility in thin films of fullerene derivatives", J. Chem. Phys. 132, 064904 (2010); doi:10.1063/1.3315872
This paper was chosen as one of 80 papers, selected by J. Chem. Phys to celebrate it's last 80 years of publications.
W. Lu, S. Bull, J. J. Lim, R. MacKenzie, S. Sujecki, A. V. Andrianov, M. Sadeghi, S. M. Wang, A. Larsson, P. Melanen, P. Sipila, P. Uusimaa, C. T. Foxon, and E. C. Larkins, "Reliability assessment and degradation analysis of 1.3 µm GaInNAs lasers", J. Appl. Phys. 106, 093110, 2009 [postprint]
J. J. Lim, R. MacKenzie, S. Sujecki, M. Dumitrescu, S. M. Wang, M. Sadeghi, G. Adolfsson, J. Gustavsson, A. Larssonand E. C. Larkins, 2009. "Static and Dynamic Performance Optimisation of a 1.3 um GalnNAs Ridge Waveguide Laser", Optical and Quantum Electronics, 40(14 - 15), 1181 - 1186.
J. J. Lim, S. Sujecki, L. Lang, Z. Zhang, D. Paboeuf, G. Pauliat, G. Lucas-Leclin, R. MacKenzie, P. Bream, S. Bull, K. Hasler, B. Sumpf, H. Wenzel, G. Erbert, B. Thestrup, P. Petersen, N. Michel, M. Krakowski and E. C. Larkins, "Design and Simulation of Next-generation High-Power, High-Brightness Laser Diodes" IEEE Journal of Selected Topics in Quantum Electronics, 15(3), 993 - 1008. Invited
R. MacKenzie, J.J. Lim, S. Bull, S. Chao, S. Sujecki, M. Sadeghi, S.M. Wang, A. Larsson, P. Melanen, P. Sipilä, P. Uusimaa, and E.C. Larkins, "Measurement of optical gain, effective group index and linewidth enhancement factor in 1.3 µm dilute nitride double quantum well lasers", IET Optoelectronics, Volume 1, Issue 6 , pp. 284-288 , 2007 [preprint]
J.J.Lim, R.MacKenzie, S. Sujecki, M. Sadeghi, S. Wang, Y.Wei, A. Larsson, P. Melanen, P. Uusimaa,A. George, P.Smowton, E.C. Larkins, "Simulation of DQW GaInNAs laser diodes", IET Optoelectronics, Volume 1, Issue 6 , pp. 259-265 , 2007 [preprint]
R. MacKenzie, S. Bull, J.J. Lim, S. Chao, S. Sujecki, M. Sadeghi, S.M. Wang, A. Larsson, P.Melanen, P. Sipilä, P. Uusimaa and E.C. Larkins, "An investigation of thermal boundary resistance in 1.3 µm edge-emitting dilute nitride quantum well laser diodes", phys. stat. sol. (c) 5, No. 2, pp. 490-494, 2008
R. MacKenzie, J.J. Lim, S. Bull, S. Sujecki and E.C. Larkins, "Simulation of heat flux through multilayer structures", phys. stat. sol. (c) 5, No. 2, pp. 485-489, 2008
R. MacKenzie, J.J. Lim, S. Bull, S. Sujecki, A.J. Kent and E.C. Larkins, "The impact of hot-phonons on the performance of 1.3µm dilute nitride edge-emitting quantum well lasers", J. Phys.: Conf. Ser., Volume 92, 012068, 2007
R. MacKenzie, J.J. Lim, S. Bull, S. Sujecki and E.C. Larkins, "Inclusion of thermal boundary resistance in the simulation of high-power 980nm ridge waveguide lasers", Optical Quantum Electronics, Vol. 40, 5-6, 2008, pp. 373-377
J.J. Lim, R. MacKenzie, S. Sujecki, M. Sadeghi, S.M. Wang, G. Adolfsson, Y.Q. Wei, A. Larsson, P. Melanen, P. Uusimaa, A.A. George, P.M. Smowton and E.C. Larkins ,"Thermal performance investigation of DQW GaInNAs laser diodes", Vol. 40, 2008, pp. 385-390
W. Lu, S. Bull, J. J. Lim, R. MacKenzie, S. Sujecki, A. V. Andrianov, M. Sadeghi, S. M. Wang, A. Larsson, P. Melanen, P. Sipilä, P. Uusimaa, C. T. Foxon, and E. C. Larkins,"Reliability assessment and degradation analysis of 1.3 µm GaInNAs lasers", J. Appl. Phys. 106, 093110,200
J. J. Lim, S. Sujecki, L. Lang, Z. Zhang, D. Paboeuf, G. Pauliat, G Lucas-Leclin, P. Georges, R. C. I. MacKenzie, P. Bream, S. Bull, K. Hasler, B. Sumpf, H. Wenzel, G. Erbert, B. Thestrup, P. M. Petersen, N. Michel, M. Krakowski, and . C. Larkins, "Design and Simulation of Next-Generation High-Power, High-Brightness Laser Diodes", IEEE Journal of Selected Topics in Quantum Electronics, Vol. 15, No. 3, May/June 2009, p. 993
R. C. I. MacKenzie, Chris G. Shuttle Michael L. Chabinyc , and J. Nelson, "What can Transient Photo-current measurements tell us about recombination, transport and the density of states in OPVs?", Japan - UK Dye-Sensitised & Organic Photovoltaic Workshop 2011, JUDO PV, Oxford, 2011
R.MacKenzie, Chris G. Shuttle Michael L. Chabinyc , and J. Nelson, "What can transient photocurrent (TPC) measurements across the JV tell us about non-geminate recombination in OPVs?", HOPV, Velincia, 18/5/11
R. C. I. MacKenzie, J. M. Frost and J. Nelson,EPSRC Symposium Workshop on Quantum Simulations, Monday 24th August 2009 August 2009 Warwick, UK
R. C. I. MacKenzie, Jarvist M. Frost and J. Nelson, "A numerical study of fullerene derivatives from chemical structure to thin film mobility", SID Organic Electronics UK 2009, 28-29 September 2009, Imperial College London
Inorganic laser diodes - Conference talks
R. MacKenzie, J. J. Lim, S. Sujecki and E.C. Larkins, "Thermal performance characteristics of passively cooled 1.3 µm InGaAsN/GaAs double quantum well lasers", European Semiconductor Laser Workshop, September 21-22 , 2006, Nice
R. MacKenzie, J.J. Lim, S. Bull, S. Chao, S. Sujecki, E.C. Larkins, M. Sadeghi, S.M. Wang, A. Larsson, P. Melanen, P. Sipilä, and P. Uusimaa, "Measurement of the group index and linewidth enhancement factor in 1.3 µm dilute nitride double quantum well lasers", IOP/SIOE GaInNAs One Day Meeting, April 2, 2007, Cardiff
J. J. Lim, R. MacKenzie, S. Sujecki, M. Sadeghi, S.M. Wang, Y.Q. Wei, J.S. Gustavsson, A. Larsson, P. Melanen, P. Sipilä, P. Uusimaa and E.C. Larkins "Electrical, Optical and thermal simulation of DQW GaInNAs Laser Diodes", Semiconductor and integrated optoelectronics (SIOE), Tuesday 3rd April 2007
R. MacKenzie, J.J. Lim, S. Bull, S. Chao, S. Sujecki, M. Sadeghi, S.M. Wang, A. Larsson, P. Melanen, P. Sipilä, P. Uusimaa, and E.C. Larkins, "Thermally dependent gain of 1.3 µm dilute nitride double quantum well lasers", E-MRS Spring Meeting, Symposium F Novel Gain Materials and Devices based on III-N-V compounds, May 31, 2007, Strasbourg
R. MacKenzie, J.J. Lim, S. Bull, S. Sujecki and E.C. Larkins "An investigation of thermal boundary resistance in 1.3 µm edge-emitting dilute nitride quantum well laser diodes", E-MRS Spring Meeting, Symposium F Novel Gain Materials and Devices based on III-N-V compounds, June 1, 2007 , Strasbourg
R. MacKenzie, S. Bull, J.J. Lim, R. Dykeman, S. Sujecki, E.C. Larkins, M. Sadeghi, S.M. Wang, A. Larsson, P. Melanen, P. Sipilä and P. Uusimaa "Thermal performance of 1.3 µm InGaAsN/GaAs laser diodes", European Semiconductor Laser Workshop, September 14-15, 2007, Berlin
P.J. Bream, R. MacKenzie, J.J. Lim, S. Bull, A.V. Andrianov, A.J. Kent, S. Sujecki and E.C. Larkins, "Nonequilibrium gain and nonlinear optical response of QWs",20 November, 2007, WIAS Institute Berlin
R. MacKenzie, J.J. Lim, S. Bull, S. Sujecki and E.C. Larkins, "The impact of thermal boundary resistance in opto-electronic devices", Numerical Simulation of Optoelectronic Devices (NUSOD) 2007, September 24, Newark (DE)
J.J. Lim, R. MacKenzie, S. Sujecki, M. Sadeghi, S.M. Wang, Y.Q. Wei, A. Larsson, P. Melanen, P. Uusimaa, A.A. George, P.M. Smowton and E.C. Larkins, "Thermal performance investigation of DQW GaInNAs laser diodes ", Numerical Simulation of Optoelectronic Devices (NUSOD) 2007, September 24, Newark (DE)
Organic electronics - Posters
R. C. I. MacKenzie, T. Kirchartz, G. F. A. Dibb and J. Nelson, "Non-geminate recombination in P3HT:PCBM solar cells.", Annual Meeting on Opto-Electronic Processes in Organic Materials, 2010
Inorganic laser diodes - Posters
R. MacKenzie, J. J. Lim, S. Sujecki and E. C. Larkins "Advanced design and simulation of semiconductor laser diodes", SET for Europe, 12 December 2006, House of Commons Westminster London
R. MacKenzie, J. J. Lim, A.J. Kent ,S. Sujecki and E. C. Larkins "The impact of hot-phonons on the performance of 1.3 µm dilute nitride edge-emitting quantum well lasers", July 16-20th Phonons 2007, Paris