Hele Savin
Professor
Professor
T411 Dept. Electronics and Nanoeng
- defect engineering in microelectronic and photovoltaic applications
- black silicon in photovoltaics and imaging detectors
- atomic layer deposition for semiconductor surface passivation
- light induced degradation in silicon
Full researcher profile
https://research.aalto.fi/...
Sähköposti
hele.savin@aalto.fi
Puhelinnumero
+358505410156
Osaamisalueet
Photovoltaics, Characterization, Defect engineering, Semiconductors, Nanotechnology, Micro- and Nanoelectronics, Detectors, Black silicon, Atomic layer deposition
Tutkimusryhmät
- Hele Savin Group
Julkaisut
Carrier mobility in crystalline germanium at high injection: experimental characterization of carrier-carrier scattering
Moisés Garín, Mansur Gamel, Marko Yli-Koski, Ville Vähänissi, Gerard Rivera, Hele Savin, Isidro Martín
2026
Solar Energy Materials and Solar Cells
Bipolar and unipolar charge transfer during the formation of silicon/iodine solution interfaces
Shengyang Li, Mahdi Alizadeh, Ville Vähänissi, Hele Savin, Guangwei She, Wensheng Shi, Jani Oksanen
2026
Surfaces and Interfaces
Atomic-layer-deposited CuxCryOz thin films: Optoelectronic properties and potential application as hole-selective contacts for c-Si solar cells
Gabriel Bartholazzi, Topias Jussila, Jorit Obenlüneschloß, Ville Vähänissi, Anjana Devi, Hele Savin, Maarit Karppinen, Daniel H. Macdonald, Lachlan E. Black
2025
Applied Surface Science
Transforming Schottky to Ohmic contacts via ultrahigh-vacuum engineered interfacial alloying
Masoud Ebrahimzadeh, Perttu Piispanen, Sari Granroth, Mikko Miettinen, Ilari Angervo, Hanchen Liu, Markus Otsus, Risto Punkkinen, Marko P.J. Punkkinen, Ville Vähänissi, Kalevi Kokko, Petriina Paturi, Kaupo Kukli, Hele Savin, Pekka Laukkanen
2025
ACS Applied Materials and Interfaces
(oral talk) Surface Passivation of Black Germanium for Interdigitated Back Contact Thermophotovoltaic Cell
Mansur Gamel, Gerard Rivera, Gema López, Mariia Terletskaia, Hanchen Liu, Ville Vähänissi, Hele Savin, Moises Garin, Isidro Martin
2025
(poster) Femtosecond laser induced modification of Ge for improved optical properties
Dmytro Gnatyuk, Ville Vähänissi, Hele Savin, Xiaolong Liu
2025
(poster) Femtosecond-laser surface-textured glass for building integrated photovoltaics
Dmytro Gnatyuk, Ville Vähänissi, Hele Savin, Xiaolong Liu
2025
(poster) Surface-nanostructured glass as photovoltaics-integrated architectural window
Dmytro Gnatyuk, Ville Vähänissi, Hele Savin, Xiaolong Liu
2025
Charged thin film enables dopant free ohmic metal–semiconductor contact formation
Lassi Lahtiluoma, Olli Setälä, Ville Vähänissi, Hele Savin
2025
Applied Surface Science
Fs-laser significantly enhances both above- and below-bandgap absorption in germanium
Xiaolong Liu, Dmytro Gnatyuk, Julius Halmela, Ville Vähänissi, Hele Savin
2025
Optical Materials Express