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Cavendish Laboratory, Cambridge


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) 


2020  World Laureates Forum, Young Scientist

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

2018 MIT Technology Review "Innovators Under 35", China


Light-emitting diodes; Photovoltaic solar cells; Semiconductor device physics; Excitonic and quantum-confined systems; spectroscopy; Perovskite and organic semiconductors


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) .

-Preprint of this paper is featured in Nature Materials News Article, P. Ball, “Material witness: a new twist for OLEDs”, Nature Materials 15, 822 (2016).

-Featured in Nature Reviews Chemistry Research Highlights, S. David, 'Emissive materials: OLEDs: rotation propels crossing', Nature Reviews Chemistry 1 (2017).

2.     B. Zhao, R. H. Friend*, D. Di* (corresp. author) et al, 'High-efficiency perovskite-polymer bulk heterostructure light-emitting diodes', Nature Photonics 12, 783–789 (2018) (Cover Article). Preprint:

3. B. Zhao, Y. Lian, L. Cui*,D. Di* (corresp. author), R. H. Friend* et al, 'Efficient light emitting diodes from mixed dimensional perovskites on a fluoride interface', Nature Electronics 3, 704–710 (2020) (Cover Article).

4.  L. Yang, V. Kim, Y. Lian, B. Zhao, D. Di* (corresp. author), 'High-efficiency dual-dopant polymer light-emitting diodes with ultrafast inter-fluorophore energy transfer', Joule 3, 2381-2389 (2019)

5.  C Cho, B. Zhao,  R. H. Friend, D. Di* (corresp. author), F. Deschler*, N. C. Greenham* et al, 'The role of photon recycling in perovskite light-emitting diodes', Nature Communications 11, 611 (2020).

6.     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 29, 1605987 (2017).

7.      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).

8.  Y. Liu, Y. Jin et al, 'Efficient blue light-emitting diodes based on quantum-confined bromide perovskite nanostructures', Nature Photonics 13, 760-764 (2019).  

9.      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). 

10.      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).

11.      W. Zou, J. Wang, W. Huang et al, 'Minimising efficiency roll-off in high-brightness perovskite light-emitting diodes', Nature Communications 9, 608 (2018). 

12.   B. Zhao, L. C. Lee,  J. L. MacManus-Driscoll*, D. Di* (corresp. author) et al, ACS Applied Materials & Interfaces (2018).

13.    S. Stranks, R. Hoye, D. Di, R. H. Friend, F. Deschler, “The physics of light emission in halide perovskite devices”, Advanced Materials (2018).

14.      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).

15.   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).

16.   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).

17.  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).

-Featured in news article: Semiconductor Today Vol. 7, 76, Feb 2012

18.  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).

19.   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).

20.   J. Shi, Y. Liu, Y. Jin et al, 'Efficient and high-color-purity light-emitting diodes based on In-situ grown films of CsPbX3 (X = Br, I) nanoplates', ACS Nano 11, 11100-11107 (2017).


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.
PhD in Physics (Cambridge)
PhD, BE (Hon 1) in Photovoltaic Eng. (UNSW)
Dr Dawei  Di

Contact Details

Email address: 
Optoelectronics Group
Cavendish Laboratory
University of Cambridge
Cambridge, UK
College of Optical Science and Engineering
Zhejiang University
Hangzhou, China


Collaborator profiles: 
Person keywords: 
Optical spectroscopy
Hybrid Nanomaterials,
Organometallic compounds