Behrad Radfar
Doctoral Researcher
Department of Electronics and Nanoengineering
Full researcher profile
https://research.aalto.fi/...
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
Publications
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
Effects of different laser modified surface morphologies and post-texturing cleanings on c-Si solar cell performance
Behrad Radfar, Fırat Es, Raşit Turan
2020
Renewable Energy
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