Behrad Radfar

Behrad Radfar

Doctoral Researcher
Department of Electronics and Nanoengineering
Full researcher profile

Contact information

Postal address
Tietotie 3 02150 Espoo Finland

Honors and awards

Sub-bandgap Absorption Enhancement in Crystalline Silicon Solar Cells Utilizing Hyperdoping and Upconversion

Granted funding (personal grants) Department of Electronics and Nanoengineering Feb 2023

Research groups

  • Hele Savin Group, Doctoral Researcher


Excellent Responsivity and Low Dark Current Obtained with Metal-Assisted Chemical Etched Si Photodiode

Kexun Chen, Olli Setälä, Xiaolong Liu, Behrad Radfar, Toni Pasanen, Michael Serue, Juha Heinonen, Hele Savin, Ville Vähänissi 2023 IEEE Sensors Journal

Optoelectronic properties of black silicon fabricated by femtosecond laser in ambient air: exploring a large parameter space

Behrad Radfar, Kexun Chen, Olli Setälä, Ville Vähänissi, Hele Savin, Xiaolong Liu 2023 Optics Letters

Boron-implanted black silicon photodiode with close-to-ideal responsivity from 200 to 1000 nm

Olli Setälä, Kexun Chen, Toni Pasanen, Xiaolong Liu, Behrad Radfar, Ville Vähänissi, Hele Savin 2023 ACS Photonics

Millisecond-Level Minority Carrier Lifetime in Femtosecond Laser-Textured Black Silicon

Xiaolong Liu, Behrad Radfar, Kexun Chen, Elmeri Pälikkö, Toni Pasanen, Ville Vähänissi, Hele Savin 2022 IEEE Photonics Technology Letters

Perspectives on Black Silicon in Semiconductor Manufacturing: Experimental Comparison of Plasma Etching, MACE and Fs-Laser Etching

Xiaolong Liu, Behrad Radfar, Kexun Chen, Olli Setälä, Toni Pasanen, Marko Yli-Koski, Hele Savin, Ville Vähänissi 2022 IEEE Transactions on Semiconductor Manufacturing

Tailoring Femtosecond-Laser Processed Black Silicon for Reduced Carrier Recombination Combined with >95% Above-Bandgap Absorption

Xiaolong Liu, Behrad Radfar, Kexun Chen, Toni Pasanen, Ville Vähänissi, Hele Savin 2022 Advanced Photonics Research

Harnessing Carrier Multiplication in Silicon Solar Cells Using UV Photons

Kexun Chen, Olli E. Setala, Behrad Radfar, Udo Kroth, Ville Vahanissi, Hele Savin 2021 IEEE Photonics Technology Letters

Effect of laser parameters and post-texturing treatments on the optical and electrical properties of laser textured c-Si wafers

Behrad Radfar, Firat Es, Hisham Nasser, Ozan Akdemir, Alpan Bek, Rasit Turan 2018 AIP CONFERENCE PROCEEDINGS

Graphene synthesis, characterization and its applications in nanophotonics, nanoelectronics, and nanosensing

Farzin Akbar, Mohammadreza Kolahdouz, Shabnam Larimian, Behrad Radfar, Henry H. Radamson 2015 Journal of Materials Science: Materials in Electronics