Research output per year
Research output per year
Personal profile
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
Doctoral degree, Engineering and Technology, Aalto University
Award Date: 25 Aug 2016
Master's degree, Engineering and Technology, Helsinki University of Technology
Award Date: 15 May 2008
Fingerprint
Dive into the research topics where Ville Vähänissi is active. These topic labels come from the works of this person. Together they form a unique 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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(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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(poster) Contact formation via femtosecond-laser hyperdoping in silicon optoelectronic devices
Liu, X., Chen, K., Radfar, B., Mc Kearney, P., Paulus, S., Schäfer, S., Serué, M., Mutschall, D., Koskinen, V., Pasanen, T., Vähänissi, V., Juntunen, M., Kontermann, S. & Savin, H., 2023, (Accepted/In press).Research output: Contribution to conference › Poster › Scientific › peer-review
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(poster) Surface Passivation of Si by Atomic Layer Deposited TiO2
Liu, X., Vähänissi, V., Savin, H., Khan, R., Pasanen, H., Ali-Löytty, H., Valden, M. & Tkachenko, N. V., 2023.Research output: Contribution to conference › Poster › Scientific › peer-review
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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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RaPtor: Radiation and photodetector technologies for Finnish electronics industry
Savin, H., Pasanen, T., Liu, H., Setälä, O., Isometsä, J. & Vähänissi, V.
01/04/2019 → 31/05/2022
Project: Business Finland: Other research funding
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-: Photonics Research and Innovation
Savin, H., Ayedh, H., Mulbagal Rajanna, P., Rauha, I., Liu, H. & Vähänissi, V.
01/01/2019 → 31/12/2022
Project: Academy of Finland: Other research funding
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SISUPROCO: Silicon Surface Processing Commercialization
Savin, H., Rosta, K., Vähänissi, V. & Mack, I.
01/06/2018 → 31/12/2019
Project: Business Finland: Other research funding
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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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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Young Scientist Award (GADEST)
Pasanen, Toni (Recipient), Savin, Hele (Supervising professor) & Vähänissi, Ville (Advisor), 27 Sept 2019
Prize: Award or honor granted for a specific work
Activities
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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
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Effective carrier lifetime in ultrashort pulse laser hyperdoped silicon: dopant concentration dependence and practical upper limits
Sören Schäfer (Speaker), Xiaolong Liu (Contributor), Patrick Mc Kearney (Contributor), Simon Paulus (Contributor), Behrad Radfar (Contributor), Ville Vähänissi (Contributor), Hele Savin (Contributor) & Stefan Kontermann (Contributor)
18 Sept 2023Activity: Talk or presentation types › Conference presentation
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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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Improved QE in CMOS image sensors with nano-black antireflection layer
Martin J. Prest (Speaker), Olli Setälä (Contributor), Konstantin D. Stefanov (Contributor), Ville Vähänissi (Contributor), Hele Savin (Contributor) & Douglas Jordan (Contributor)
21 May 2023 → 25 May 2023Activity: Talk or presentation types › Conference presentation
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Record-high UV response in implanted junctions through passivation of surface defects and minimisation of boron implantation damage
Kexun Chen (Speaker), Olli Setälä (Contributor), Behrad Radfar (Contributor), Udo Kroth (Contributor), Ville Vähänissi (Contributor) & Hele Savin (Contributor)
14 Sept 2022Activity: Talk or presentation types › Conference presentation
Press/Media
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Research Conducted at Aalto University Has Updated Our Knowledge about Nanostructures (Excellent Responsivity and Low Dark Current Obtained With Metal-assisted Chemical Etched Si Photodiode)
Hele Savin, Ville Vähänissi, Xiaolong Liu & Behrad Radfar
01/09/2023
1 item of Media coverage
Press/Media: Media appearance
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Reports from Aalto University Highlight Recent Findings in Applied Physics (Plasma-enhanced Atomic Layer Deposited Sio2 Enables Positive Thin Film Charge and Surface Recombination Velocity of 1.3 Cm/s On Germanium)
Hele Savin, Marko Yli-Koski, Ville Vähänissi & Hanchen Liu
19/07/2023
1 item of Media coverage
Press/Media: Media appearance
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Aalto University Reports Findings in Science (Boron-Implanted Black Silicon Photodiode with Close-to-Ideal Responsivity from 200 to 1000 nm)
Hele Savin, Ville Vähänissi, Xiaolong Liu & Behrad Radfar
06/07/2023
1 item of Media coverage
Press/Media: Media appearance