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Cavendish Laboratory, Cambridge

Studying at Cambridge


Dr Dawei Di

Dr Dawei Di

PhD in Physics (Cambridge)

PhD, BE (Hon 1) in Photovoltaic Eng. (UNSW)

Optoelectronics Group
Cavendish Laboratory
University of Cambridge
Cambridge, UK

College of Optical Science and Engineering
Zhejiang University
Hangzhou, China



2018-present: Visiting Researcher, Cavendish Laboratory, University of Cambridge, UK

2018-present: Principal Investigator (tenure-track professor), College of Optical Science and Engineering, Zhejiang University, China  

2017-2018: Research Associate, Cavendish Laboratory, University of Cambridge, UK

2012-2016: PhD in Physics, Cavendish Laboratory, University of Cambridge, UK (supervisor: Prof Sir Richard Friend)

2012: Research Associate, Australian Research Council Photovoltaics Centre of Excellence, University of New South Wales, Australia

2008-2012: PhD in Photovoltaic Engineering, Australian Research Council Photovoltaics Centre of Excellence, University of New South Wales, Australia (supervisors: Prof Gavin Conibeer, Prof Martin Green, Dr Ivan Perez-Wurfl)

2004-2008: Bachelor of Engineering (1st Class Honours), University of New South Wales, Australia (final-year research thesis supervisor: Prof Armin Arberle) 


2019 MIT Technology Review "Innovators Under 35" (global)

2018 MIT Technology Review "Innovators Under 35", China

Research Interests

Organic light-emitting diodes; Photovoltaic solar cells; Semiconductor device physics; Excitonic and quantum confined systems; Transient spectroscopy; Perovskite and silicon nanostructures; Organic-inorganic interfaces; Light-matter interactions

Other Professional Activities

Dawei was invited to review more than 100 manuscripts for more than 20 scientific journals, including Nature Nanotechnology, Nature Electronics, Nature Communications, Joule, Advanced Materials, Advanced Functional Materials, Applied Physics Letters, Nano Letters and Journal of Physical Chemistry Letters.


  • Optical spectroscopy
  • Polymers
  • Energy
  • Hybrid Nanomaterials,
  • Photovoltaics
  • NanoPhotonics
  • Organometallic compounds

Key Publications

Selected Journal Publications

  1. D. Di, A. S. Romanov, L. Yang, R. H. Friend, M. Linnolahti, M. Bochmann, D. Credgington et al, “High-performance light-emitting diodes based on carbene-metal-amides”, Science 356, 159-163 (2017).
  2. B. Zhao, S. Bai, V. Kim, R. Lamboll, R. Shivanna, F. Auras, J. M. Richter, R. H. Friend*, D. Di* (corresp. author) et al, "High-efficiency perovskite-polymer bulk heterostructure light-emitting diodes", Nature Photonics 12783789 (2018) (Cover Article). Preprint:
  3. D. Di, L. Yang, J. Richter, L. Meraldi, R. M. Altamimi, A. Y. Alyamani, D. Credgington, K. Musselman, J. L. MacManus-Driscoll, R. H. Friend, “Efficient triplet exciton fusion in molecularly-doped polymer light-emitting diodes”, Advanced Materials 2017, 1605987 (2017).
  4. N. Wang, J. Wang, W. Huang et al, “Perovskite light-emitting diodes based on solution-processed, self-organised multiple quantum wells”, Nature Photonics 10, 699-704 (2016).
  5. D. Di* (corresp. author), K. P. Musselman, G. Li, A. Sadhanala, Y. Ievskaya, Q. Song, Z.-K. Tan, M. L. Lai, J. L. MacManus-Driscoll, N. C. Greenham, R. H. Friend*, “Size-dependent photon emission from organometal halide perovskite nanocrystals embedded in an organic matrix”, The Journal of Physical Chemistry Letters 6, 446-450 (2015).
  6. A. Karani, L. Yang, S. Bai, M. H. Futscher, H. J. Snaith, B. Ehrler, N. C. Greenham*, D. Di* (corresp. author), "Perovskite/colloidal quantum dot tandem solar cells: theoretical modeling and monolithic structure", ACS Energy Letters 3, 869-874 (2018). 
  7. W. Zou, J. Wang, W. Huang et al, "Minimising efficiency roll-off in high-brightness perovskite light-emitting diodes", Nature Communications 9, 608 (2018). 
  8. B. Zhao, L. C. Lee, J. L. MacManus-Driscoll*, D. Di* (corresp. author) et alACS Applied Materials & Interfaces (2018).
  9. S. Stranks, R.L.Z. Hoye, D. Di, R. H. Friend, F, Deschler, "The physics of light emission in halide perovskite devices", Advanced Materials 180336 (2018).  
  10. A. Romanov, D. Di, L. Yang, J. Fernandez-Cestau, C. Becker, C. E. James, B. Zhu, M. Linnolahti, D. Credgington, M. Bochmann, “Highly photoluminescent copper carbene complexes based on prompt rather than delayed fluorescence”, Chemical Communications 52, 6379-6382 (2016).
  11. F. Lombeck, D. Di, Le Yang, L. Meraldi, S. Athanasopoulos, D. Credgington, M. Sommer, R. H. Friend, “PCDTBT: From polymer photovoltaics to light-emitting diodes by side chain-controlled luminescence”, Macromolecules 49, 9382-9387 (2016).
  12. G. Li, Z.-K. Tan, D. Di, M. L. Lai, L. Jiang, J. H.-W. Lim, R. H. Friend, N. C. Greenham, “Efficient light-emitting diodes based on nanocrystalline perovskite in a dielectric polymer matrix”, Nano Letters 15, 2640-2644 (2015).
  13. D. Di* (corresp. author), I. Perez-Wurfl, L. Wu, Y. Huang, A. Marconi, A. Tengattini, A. Anopchenko, L. Pavesi and G. Conibeer, “Electroluminescence from Si nanocrystal/c-Si heterojunction light-emitting diodes”, Applied Physics Letters 99, 251113 (2011).
  14. D. Di* (corresp. author), H. Xu, I. Perez-Wurfl, M. A. Green and G. Conibeer, “Improved nanocrystal formation, quantum confinement and carrier transport properties of doped Si quantum dot superlattices for third generation photovoltaics”, Progress in Photovoltaics: Research and Applications 21, 569-577 (2013)
  15. D. Di* (corresp. author), I. Perez-Wurfl, G. Conibeer, and M.A. Green, “Formation and photoluminescence of Si quantum dots in SiO2/Si3N4 hybrid matrix for all-Si tandem solar cells”, Solar Energy Materials and Solar Cells 94, 2238 (2010).   

Patent Applications (co-inventor of the following patents)

   1. GB1421133.8

   2. GB1511490.3

   3. GB1609707.3

   4. GB1610443.2

Translated/Edited Textbooks

  1. Silicon Solar Cells: Advanced Principles & Practice (Chinese Edition); Author: M.A. Green; Translators: D. Di, Z. Ouyang et al, Shanghai Jiao Tong University Press, Shanghai, 2011.
  2. Solar Cells: Operating Principles, Technology & System Applications (Chinese Edition); Author: M.A. Green, Translators: D. Di, C.-Y. Tsao et al, Shanghai Jiao Tong University Press, Shanghai, 2009.
  3. Applied Photovoltaics (Chinese Edition); Authors: S. R. Wenham, M. A. Green, M.E. Watt & R. Corkish; Translators: D. Di, J. Han et al, Shanghai Jiao Tong University Press, Shanghai, 2008.