Arsalan Razzaq

Postdoctoral Fellows

Postdoctoral Fellow



Al Kindi B5/L3 (Seaside)

Research Interests

Development of high-efficiency silicon heterojunction solar cells with improved near-infrared light absorption for application in perovskite/crystalline-silicon tandem devices.

Selected Publications

  • A. Razzaq, V. Depauw, J. Cho, H. S. Radhakrishnan, I. Gordon, J. Szlufcik, Y. Abdulraheem, and J. Poortmans, “Periodic inverse nanopyramid gratings for light management in silicon heterojunction devices and comparison with random pyramid texturing,” Solar Energy Materials and Solar Cells, vol. 206, p. 110263, 2020.
  • A. Razzaq, V. Depauw, H. S. Radhakrishnan, J. Cho, I. Gordon, J. Szlufcik, Y. Abdulraheem, and J. Poortmans, “Infrared Absorption Enhancement Using Periodic Inverse Nanopyramids in Crystalline-Silicon Bottom Cells for Application in Tandem Devices,” IEEE Journal of Photovoltaics, vol. 10, no. 3, pp. 740 – 748, 2020.
  • Z. Lokar, B. Lipovsek, A. Razzaq, V. Depauw, I. Gordon, J. Poortmans, J. Krč, and M. Topič, “Coupled modelling approach for optimization of bifacial silicon heterojunction solar cells with multi-scale interface textures,” Optics Express, vol. 27, pp. A1554 – A1568, 2019.
  • A. Razzaq, V. Depauw, M. Filipič, I. Gordon, J. Szlufcik, and J. Poortmans, “Opto-electrical modelling of periodic nanostructures, integrated into two-side contacted silicon heterojunction devices,” Proceedings of the 35th European Photovoltaics Solar Energy Conference (EU PVSEC), 2018.
  • S. L. Chua, A. Razzaq, K. H. Wee, K. H. Li, H. Yu, and C. S. Tan, “TSV-less 3D stacking of MEMS and CMOS via low temperature Al-Au direct bonding with simultaneous formation of hermetic seal,” Proceedings of the 64th IEEE Electronic Components and Technology Conference (ECTC), 2014.


  • PhD in Electrical Engineering, Katholieke Universiteit Leuven, Belgium, 2020
  • MSc in Electrical Engineering, National University of Singapore, Singapore, 2012

Professional Profile

  • Oct 2014 – Jul 2020: Researcher at IMEC, Leuven, Belgium, Supervision: Prof. Jef Poortmans
  • Sep 2012 – Apr 2014: Research Associate at Nanyang Technological University, Singapore, Supervision: Prof. Chuan Seng Tan

KAUST Affiliations

KAUST Solar​ Center (KSC), KPV-Lab.

Research Interests Keywords

Advanced Light Management Approaches Nanophotonics Device Physics Silicon Heterojunction Solar Cells Perovskite/Silicon Tandem Solar Cells