Email
[email protected]
Postal address
Tietotie 3
02150 Espoo
Finland
Honors and awards
Aalto ELEC Doctoral Student Funded Position
Myönnetty rahoitus (henkilökohtaiset tutkimusapurahat)
Elektroniikan ja nanotekniikan laitos
May 2022
Best Course Performance Award
Palkinto tai huomionosoitus tuotoksesta
Elektroniikan ja nanotekniikan laitos
Jun 2017
Sub-bandgap Absorption Enhancement in Crystalline Silicon Solar Cells Utilizing Hyperdoping and Upconversion
Myönnetty rahoitus (henkilökohtaiset tutkimusapurahat)
Elektroniikan ja nanotekniikan laitos
Feb 2023
Publications
Bridging the gap between surface physics and photonics
Pekka Laukkanen, Marko Punkkinen, Mikhail Kuzmin, Kalevi Kokko, Xiaolong Liu, Behrad Radfar, Ville Vähänissi, Hele Savin, Antti Tukiainen, Teemu Hakkarainen, Jukka Viheriälä, Mircea Guina
2024
Extended Infrared Absorption in Nanostructured Si Through Se Implantation and Flash Lamp Annealing
Behrad Radfar, Xiaolong Liu, Yonder Berencen, Mohd Saif Shaikh, Slawomir Prucnal, Ulrich Kentsch, Ville Vähänissi, Shengqiang Zhou, Hele Savin
2024
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
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
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
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
Effects of different laser modified surface morphologies and post-texturing cleanings on c-Si solar cell performance
Behrad Radfar, Fırat Es, Raşit Turan
2020
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
Graphene synthesis, characterization and its applications in nanophotonics, nanoelectronics, and nanosensing
Farzin Akbar, Mohammadreza Kolahdouz, Shabnam Larimian, Behrad Radfar, Henry H. Radamson
2015