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Welcome to StranksLab. Our research focuses on the optical and electronic properties of emerging semiconductors including metal halide perovskites, carbon allotropes and other organic semiconductors. We are particularly interested in low-cost, transformative electronics applications including photovoltaics and lighting. We use spectroscopy as a tool to understand material and device photophysics on a range of length and time scales, and relate these characteristics directly to local chemical, structural and morphological properties. This provides a unique platform to unveil loss mechanisms, discover new semiconducting materials, guide innovative device designs, push device performance to the limits and revise our understanding of semiconductor and defect behaviour.


  • Tennyson, E. M.; Doherty, T. A. S.; Stranks, S. D. Heterogeneity at multiple length scales in halide perovskite semiconductors, Nature Reviews Materials, 2019,
  • Jones, T. W.; Osherov, A.; Alsari, M.; Sponseller, M.; Duck, B. C.; Jung, Y.-K.; Settens, C.; Niroui, F.; Brenes, R.; Stan, C. V.; Li, Y.; Abdi-Jalebi, M.; Tamura, N.; Macdonald, J. E.; Burghammer, M.; Friend, R. H.; Bulovic, V.; Walsh, A.; Wilson, G. J.; Lilliu, S.; *Stranks, S. D. Lattice strain causes non-radiative losses in halide perovskitesEnergy Environ. Sci.2019, DOI: 10.1039/C8EE02751J
  • Stavrakas, C.; Zhumekenov, A. A.; Brenes, R.; Abdi-Jalebi, M.; Bulović, V.; Bakr, O. M.; Barnard, E. S.; *Stranks, S. D. Probing Buried Recombination Pathways in Perovskite Structures Using 3D Photoluminescence TomographyEnergy Environ. Sci., 2018doi: 10.1039/C8EE00928G
  • *Stranks, S. D.; *Plochocka, P. The Influence of the Rashba Effect, Nature Materials, 2018, 17, 381-382
  • Abdi-Jalebi, M.; Andaji-Garmaroudi, Z.; Cacovich, S.; Stavrakas, C.; Philippe, B.; Richter, J. M.; Alsari, M.; Booker, E. P.; Hutter, E. M.; Pearson, A. J., Lilliu, S.; Savenije, T. J.; Rensmo, H.; Divitini, G.; Ducati, C.; Friend, R. H.; *Stranks., S. D. Maximising and Stabilising Luminescence in Halide Perovskite Device Structures Using Potassium-Halide Passivating Layers, Nature, 2018, 555, 497-501
  • Hutter, E. M.; Gelvez-Rueda, M. C.; Osherov, A.; Bulovic, V.; Grozema, F. C.; *Stranks., S. D.; *Savenije, T. J. Direct-indirect Character of the Bandgap in Methylammonium Lead Iodide Perovskite, Nature Materials, 2017, 16 115-120
  • *Stranks, S. D.; Petrozza, A. Revisiting Photocarrier Lifetimes in Photovoltaics Nature Photonics, 2016, 10, 562 (top 10 most downloaded papers in Nat. Photon. in September & October 2016)
  • deQuilettes, D. W.; Zhang, W.; Burlakov, V. M.; Graham, D. J.; Leijtens, T.; Bulovic, V.; Ginger, D. S.; Snaith, H. J., *Stranks., S. D. Photo-Induced Halide Redistribution in Organic-Inorganic Perovskite Films, Nature Communications, 2016, 11683
  • Stranks, S. D.; *Snaith, H. J. Organic-Inorganic Perovskites for Photovoltaics and Light Emission, Nature Nanotechnology, 2015, 10, 391-402
  • deQuilettes, D. W.; Vorpahl, S. M.; Stranks., S. D.; Nagaoka, H.; Eperon, G. E.; Ziffer, M. E.; Snaith, H. J.; *Ginger, D. S., Impact of Microstructure on Local Carrier Lifetime in Perovskite Solar Cells. Science, 2015, 348,683-686
  • Sivaram, V.; Stranks., S. D.; Snaith, H. J. Outshining silicon, Scientific American, 2015, 313, 53-59
  • Stranks., S. D.; Burlakov, V. M.; Leijtens, T.; Ball, J. M.; Goriely, A.; *Snaith, H. J. Recombination Kinetics in Organic-Inorganic Perovskites: Excitons, Free Charge, and Subgap States, Phys. Rev. Applied, 2014, 2, 3
  • Stranks., S. D.; Eperon, G. E.; Grancini, G.; Menelaou, C., Alcocer, M.; Leijtens, T.; Herz, L. M.; Petrozza, A.; *Snaith, H. J. Electron-Hole Diffusion Lengths Exceeding One Micrometer in an Organometal Trihalide Perovskite Absorber, Science, 2013, 342, 341-344




StranksLab acknowledges generous support from the European Research Council (HYPERION), the Royal Society and the Engineering and Physical Sciences Research Council.