Lujia Xu, Ph.D.

Alumni and Former Staff

Research Scientist in De Wolf Group

Research Interests

​Photovoltaics; Silicon solar cell; Heterojunction; Carrier Selective Contact; Solar cell characterization; Solar cell simulation; Solar cell loss analysis

Selected Publications

  • Bandgap Optimization for Bifacial Tandem Solar Cells. ACS Energy Letters, DOI: 10.1021/acsenergylett.3c01014, 3114-3121. L. Xu, F. Xu, J. Liu, X. Zhang, A. S. Subbiah and S. De Wolf (2023). 
  • Parasitic Heating of Perovskite- and Silicon-Based Photovoltaics. Advanced Energy Materials, 2300013. L. Xu, E. Aydin, M. De Bastiani, M. Babics, J. Liu, R. Azmi, M. Alamer, M. F. Salvador, W. Liu, T. Allen, et al. (2023). 
  • Potential-induced degradation in perovskite/silicon tandem photovoltaic modules. Cell Reports Physical Science 3, 101026.  L. Xu, J. Liu, W. Luo, N. Wehbe, A. Seitkhan, M. Babics, J. Kang, M. De Bastiani, E. Aydin, T. G. Allen, et al. (2022).
  • Accurate Optical Modeling of Monolithic Perovskite/Silicon Tandem Solar Cells and Modules on Textured Silicon Substrates. PRX Energy 1, 023005. L. Xu, J. Liu, K. McIntosh, M. Abbott, E. Aydin, T. Allen, M. De Bastiani, M. Babics, J. Kang, M. Alamer, et al. (2022). 
  • Monolithic Perovskite/Silicon Tandem Photovoltaics with Minimized Cell-to-Module Losses by Refractive-Index Engineering, ACS Energy Letters 7, 2370. L. Xu, J. Liu, F. Toniolo, M. De Bastiani, M. Babics, W. Yan, F. Xu, J. Kang, T. Allen, A. Razzaq et al.,  (2022).
  • Heat generation and mitigation in silicon solar cells and modules. Joule 5 , 631-645. L. Xu, W. Liu, H. Liu, C. Ke, M. Wang, C. Zhang, E. Aydin, M. Al-Aswad, K. Kotsovos, I. Gereige, et al. (2021)


  • ​Ph.D., Engineering, ANU, Canberra, Australia, 2015

Professional Profile

  • 2022-now   Research Scientist, KAUST, Thuwal, Saudi Arabia
  • 2018-2022  Postdoctoral fellow, KAUST, Thuwal, Saudi Arabia
  • 2016-2018  Research fellow, SERIS, NUS, Singapore, Singapore
  • 2015-2016  Researcher & Manager of R&D department, Jinko Solar, Haining, China

KAUST Affiliations

  • KAUST Solar Center (KSC)
  • Division of Physical Science and Engineering (PSE)

Research Interests Keywords

Single-junction and tandem PV devices PV optical modeling PV thermal modeling PV economic modeling PV degradation