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, Natural Sciences, Fudan University (复旦大学)
Award Date: 28 Jun 2020
Keywords
- Black silicon
- Femtosecond laser
- Optoelectronics
- 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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(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) Highly Sensitive Ultra Violet Sensor
Niemela, A., Laurila, J., Hovatta, T., Sipilä, H., Liu, X. & Savin, H., 31 May 2023.Research output: Contribution to conference › Poster › Scientific › peer-review
Projects
- 3 Active
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HyperGER: Femtosecond-Laser Hyperdoped Germanium for Broadband Infrared Photonic Applications
01/09/2023 → 31/08/2027
Project: Academy of Finland: Other research funding
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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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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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Academy Research Fellowship
Liu, Xiaolong (Recipient), 16 May 2023
Prize: Granted funding (personal grants)
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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
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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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Carrier recombination in black silicon fabricated by high repetition rate fs-laser
Xiaolong Liu (Speaker), Behrad Radfar (Contributor), Toni Pasanen (Contributor), Ville Vähänissi (Contributor) & Hele Savin (Contributor)
30 May 2022 → 3 Jun 2022Activity: Talk or presentation types › Conference presentation
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2021 Material Research Society (MRS) Conference (Boston, USA): Black silicon for PV—Which fabrication technology to choose?
Xiaolong Liu (Contributor), Behrad Radfar (Contributor), Kexun Chen (Contributor), Olli Setälä (Contributor), Toni Pasanen (Contributor), Ville Vähänissi (Contributor) & Hele Savin (Invited speaker)
6 Dec 2021Activity: Talk or presentation types › Invited academic talk
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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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
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PREIN researchers successful in Academy of Finland grants
20/06/2023
1 item of Media coverage
Press/Media: Media appearance
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Data on Electronics Discussed by Researchers at Fudan University (Hyperdoping-regulated Room-temperature No2 Gas Sensing Performances of Black Silicon Based On Lateral Photovoltaic Effect)
25/05/2023
1 item of Media coverage
Press/Media: Media appearance