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/...

Contact information

Phone number
+358505410156

Areas of expertise

Photovoltaics, Characterization, Defect engineering, Semiconductors, Nanotechnology, Micro- and Nanoelectronics, Detectors, Black silicon, Atomic layer deposition

Honors and awards

Special Recognition (World Cultural Council)

The World Cultural Council selects people with outstanding achievements in science, education, and art since 1984.. Also, a special recognition will be given for researchers who have made remarkable achievements in the host country, up to a maximum of 10 people.
Award or honor granted for academic or artistic career Department of Micro and Nanosciences Jan 2014

Best Poster Award at IEEE Photovoltaic Specialists Conference

Poster title: Gettering of iron in silicon solar cells with implanted emitters
Award or honor granted for a specific work Department of Micro and Nanosciences Jan 2013

SiWEDS Outstanding Research Award (Silicon Wafer and Defect Engineering Centre, USA)

... in recognition of her exceptional technical contribution in the field of silicon material science.
Award or honor granted for a specific work Department of Micro and Nanosciences Jan 2004

Future of Electricity Award (Association of Electrical Engineers)

“In recognition of her career-long work developing solar energy conversion efficiency”
Award or honor granted for academic or artistic career Department of Micro and Nanosciences Jan 2014

Young Scientist Award World Economic Forum (WEF), Switzerland

The Young Scientists represent rising-star researchers in the work of the World Economic Forum. The Young Scientists are extraordinary scientists from various academic disciplines and geographies. They are committed to integrating scientific knowledge into society for the public good. In the context of the Fourth Industrial Revolution, Young Scientists helps leaders engage with science and the role it plays in society.<br/><br/>Selection criteria:<br/>- Experience as a Principal Investigator, group leader or early tenure track professor <br/>- Present a recognized record of research excellence<br/>- Demonstrate a commitment to serve society at large through exceptional contribution<br/>- Show an impeccable public record and good standing in their community<br/>
Award or honor granted for academic or artistic career Department of Micro and Nanosciences Jan 2013

European Research Council (ERC) Starting Grant

Researchers of any nationality with 2-7 years of experience since completion of PhD, a scientific track record showing great promise and an excellent research proposal.
Award or honor granted for academic or artistic career Department of Electronics and Nanoengineering Jan 2012

Materials Technology Innovation Award, 2nd place (FTI)

...to encourage free university research to come up with inventions of significant value for Finland.
Award or honor granted for a specific work Department of Electronics and Nanoengineering Jan 2010

Master's Thesis of the Year

Award or honor granted for a specific work Department of Electronics and Nanoengineering Jan 2000

Alexander von Humboldt Research Fellowship

Humboldt foundation sponsors academic collaborations between foreign and German researchers by granting research fellowships based on candidate's excellent performance. Fellowships from the Foundation are considered to be among the most prestigious and generous awards in Germany.
Award or honor granted for academic or artistic career Department of Electronics and Nanoengineering Jan 2009

35th EU PVSEC 2018 Student Award

Talk title: Elimination of light-induced degradation by black silicon<br/>The award was delivered in recognition of the most remarkable and outstanding research work in the field of PV.
Award or honor granted for a specific work School common, ELEC Sep 2018

Research groups

  • Hele Savin Group

Publications

Understanding the multilevel phenomena that enables inorganic atomic layer deposition to provide barrier coatings for highly-porous 3-D printed plastic in vacuums

Nupur Bihari, Ismo T.S. Rauha, Giovanni Marin, Craig Ekstrum, Chathura de Alwis, Pierce J. Mayville, Hele Savin, Maarit Karppinen, Joshua M. Pearce 2023 Surface and Coatings Technology

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

Efficient surface passivation of germanium nanostructures with 1% reflectance

John Fung, Joonas Isometsä, Juha Pekka Lehtiö, Toni Pasanen, Hanchen Liu, Oskari Leiviskä, Pekka Laukkanen, Hele Savin, Ville Vähänissi 2023 Nanotechnology

Black ultra-thin crystalline silicon wafers reach the 4n2 absorption limit – application to IBC solar cells

Moises Garin, Toni Pasanen, G. López, Ville Vähänissi, Kexun Chen, I. Martín , Hele Savin 2023 Small

Spatial uniformity of black silicon induced junction photodiode responsivity

Juha Heinonen, Antti Haarahiltunen, Ville Vähänissi, Toni P. Pasanen, Hele Savin, Juha Toivanen, Mikko A. Juntunen 2023 SPIE Conference Proceedings

Surface passivation of Germanium with ALD Al2O3: Impact of Composition and Crystallinity of GeOx Interlayer

Joonas Isometsä, Zahra Jahanshah Rad, John Fung, Hanchen Liu, Juha Pekka Lehtiö, Toni Pasanen, Oskari Leiviskä, Mikko Miettinen, P. Laukkanen, K. Kokko, Hele Savin, Ville Vähänissi 2023 Crystals

Is Carrier Mobility a Limiting Factor for Charge Transfer in Tio2/Si Devices? A Study by Transient Reflectance Spectroscopy

Ramsha Khan, Hannu Pasanen, Harri Ali-Löytty, Hussein Ayedh, Jesse Saari, Ville Vähänissi, Mika Valden, Hele Savin, Nikolai V. Tkachenko 2023 Surfaces and Interfaces

Chemical Excitation of Silicon Photoconductors by Metal-Assisted Chemical Etching

Shengyang Li, Hussein M. Ayedh, Marko Yli-Koski, Ville Vähänissi, Hele Savin, Jani Oksanen 2023 Journal of Physical Chemistry C

Comparison of SiNx-based Surface Passivation Between Germanium and Silicon

Hanchen Liu, Toni Pasanen, John Fung, Joonas Isometsä, Oskari Leiviskä, Ville Vähänissi, Hele Savin 2023 Physica Status Solidi (A) Applications and Materials Science

(oral talk) Surface Passivation and Charge Transfer at TiO2/Si Interface

Xiaolong Liu, Ramsha Khan, Hannu Pasanen, Harri Ali-Löytty, Ville Vähänissi, Mika Valden, Nikolai V. Tkachenko, Hele Savin 2023