Research output per year
Research output per year
Personal profile
Artistic and research interests
- 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
Mother tongue
Finnish
Expertise related to UN Sustainable Development Goals
In 2015, UN member states agreed to 17 global Sustainable Development Goals (SDGs) to end poverty, protect the planet and ensure prosperity for all. This person’s work contributes towards the following SDG(s):
Education/Academic qualification
Title of Docent (semiconductor technology), Helsinki University of Technology
Award Date: 1 May 2008
Doctoral degree, Engineering and Technology, Helsinki University of Technology
Award Date: 21 Nov 2005
Master's degree, Engineering and Technology, Helsinki University of Technology
Award Date: 12 Sept 2000
External positions
Tandem Industry Academia Professor, Okmetic Oyj
1 Aug 2023 → …
Scientific Advisor, Co-founder, ElFys Inc.
1 Sept 2017 → …
Keywords
- Photovoltaics
- Characterization
- Defect engineering
- Semiconductors
- Nanotechnology
- Micro- and Nanoelectronics
- Detectors
- Black silicon
- Atomic layer deposition
Fingerprint
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Collaborations and top research areas from the last five years
Recent external collaboration on country/territory level. Dive into details by clicking on the dots or
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(invited talk) Excellent Responsivity and Low Dark Current Obtained with Black Si Photodiode
Savin, H., Chen, K., Setälä, O., Liu, X., Radfar, B. & Vähänissi, V., 31 Oct 2023.Research output: Contribution to conference › Abstract › Scientific › peer-review
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(oral talk) Controlling SiO2 thin film charge and interface defect density on germanium
Liu, H., Pasanen, T., Leiviskä, O., Isometsä, J., Fung, J., Yli-Koski, M., Miettinen, M., Laukkanen, P. J., Vähänissi, V. & Savin, H., 2023.Research output: Contribution to conference › Poster › Scientific › peer-review
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(oral talk) Effective carrier lifetime in ultrashort pulse laser hyperdoped silicon: dopant concentration dependence and practical upper limits
Schäfer, S., Liu, X., Mc Kearney, P., Paulus, S., Radfar, B., Vähänissi, V., Savin, H. & Kontermann, S., 2023.Research output: Contribution to conference › Abstract › Scientific › peer-review
Open Access -
(oral talk) Nanostructured Silicon Hyperdoped with Se by Ion Implantation and Flash Lamp Annealing
Radfar, B., Liu, X., Prucnal, S., Shaikh, M. S., Kentsch, U., Vähänissi, V., Berencén, Y., Zhou, S. & Savin, H., 19 Sept 2023.Research output: Contribution to conference › Abstract › Scientific › peer-review
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(oral talk) Surface Passivation and Charge Transfer at TiO2/Si Interface
Liu, X., Khan, R., Pasanen, H., Ali-Löytty, H., Vähänissi, V., Valden, M., Tkachenko, N. V. & Savin, H., 2023, (Accepted/In press). 2 p.Research output: Contribution to conference › Abstract › Scientific › peer-review
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-: Photonics Research and Innovation
Savin, H., Liu, X. & Radfar, B.
01/09/2022 → 31/12/2026
Project: Academy of Finland: Other research funding
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HYGER: Highly efficient IR detection unit based on high-purity black germanium technology
Savin, H., Morozova, O., Fung, J. & Liu, H.
30/04/2022 → 31/05/2024
Project: EU: Framework programmes funding
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COLO: Elimination of contact losses in semiconductors through atomic-scale interface research and engineering
Savin, H., Isometsä, J., Yli-Koski, M., Suihkonen, S., Vähänissi, V. & Chen, K.
01/09/2021 → 31/08/2025
Project: Academy of Finland: Other research funding
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NIR: Super-sensitive γ/X- and NIR-radiation detectors via defect-free nanostructures: Next Imaging Revolution?
Vähänissi, V., Savin, H., Ayedh, H., Setälä, O., Radfar, B. & Liu, H.
01/09/2020 → 31/08/2024
Project: Academy of Finland: Other research funding
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FemtoBlack: Femtosecond laser sulfur hyperdoped black silicon for infrared photonic applications
Savin, H., Yli-Koski, M., Liu, X., Setälä, O. & Radfar, B.
01/03/2020 → 28/02/2024
Project: Business Finland: Strategic centres for science, technology and innovation (SHOK)
Prizes
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35th EU PVSEC 2018 Student Award
Pasanen, Toni (Recipient), Savin, Hele (Supervising professor) & Vähänissi, Ville (Advisor), 28 Sept 2018
Prize: Award or honor granted for a specific work
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Aalto ELEC Entrepreneurial Mindset Award
Pasanen, Toni (Recipient) & Savin, Hele (Supervising professor), 10 Feb 2022
Prize: Award or honor granted for academic or artistic career
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Alexander von Humboldt Research Fellowship
Savin, Hele (Recipient), 2009
Prize: Award or honor granted for academic or artistic career
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Award for high-quality teaching in the academic year 2017-2018
Savin, Hele (Recipient), Vähänissi, Ville (Recipient) & Pasanen, Toni (Recipient), 4 Oct 2018
Prize: Award or honor granted for a specific work
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Best Poster Award at Crystalline Silicon Solar Cells (CSSC-9) conference
Savin, Hele (Recipient), 2016
Prize: Award or honor granted for a specific work
Activities
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Podcast: ALD Stories
Hele Savin (Invited speaker)
9 Aug 2023Activity: Talk or presentation types › Public talk to non-academic audience (public outreach)
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Ultrathin crystalline IBC solar cells
Hele Savin (Invited speaker)
18 Nov 2023Activity: Talk or presentation types › Invited academic talk
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Science Forum 2023: Panelist in the discussion session "Beginning of a creative idea"
Hele Savin (Keynote speaker)
13 Jan 2023Activity: Talk or presentation types › Academic keynote or plenary lecture
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Nanostructured Silicon Hyperdoped with Se by Ion Implantation and Flash Lamp Annealing
Behrad Radfar (Speaker), Xiaolong Liu (Contributor), Slawomir Prucnal (Contributor), Mohd Saif Shaikh (Contributor), Ulrich Kentsch (Contributor), Ville Vähänissi (Contributor), Yonder Berencén (Contributor), Shengqiang Zhou (Contributor) & Hele Savin (Contributor)
19 Sept 2023Activity: Talk or presentation types › Conference presentation
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Surface Passivation and Charge Transfer at TiO2/Si Interface
Xiaolong Liu (Speaker), Ramsha Khan (Contributor), Hannu Pasanen (Contributor), Harri Ali-Löytty (Contributor), Ville Vähänissi (Contributor), Mika Valden (Contributor), Nikolai V. Tkachenko (Contributor) & Hele Savin (Contributor)
8 Sept 2023Activity: Talk or presentation types › Conference presentation
Press/Media
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Juha Heinonen receives TEK’s and TFiF’s best dissertation award
13/11/2023
1 item of Media coverage
Press/Media: Media appearance
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Atomic Layer Deposition of Titanium Oxide-Based Films for Semiconductor Applications–Effects of Precursor and Operating Conditions
20/09/2023
1 item of Media coverage
Press/Media: Media appearance
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Yhä parempia suomalaisia piikiekkoja – professori Hele Savin ja Okmetic Oy aloittivat tutkimusyhteistyön
19/09/2023
1 item of Media coverage
Press/Media: Media appearance
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Aalto University: Unique Opportunity for Professor Hele Savin to Carry Out Academic Research at Company Premises
13/09/2023
1 item of Media coverage
Press/Media: Media appearance
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Unique opportunity for Professor Hele Savin to carry out academic research at company premises
12/09/2023
1 item of Media coverage
Press/Media: Media appearance