University of Fribourg · Department of Chemistry

Coskun Research Group

Porous materials, sustainable catalysis, CO₂ capture and conversion, and next-generation energy storage.

Our Research Team

Select a researcher to explore their education, career and research interests.

Explore group alumni →

Senior Researchers

Portrait of Dr. Timur Ashirov Dr. Timur AshirovSenior ResearcherTajikistan

Education & career

  • 2015 — B.Sc. in Chemistry, Middle East Technical University, Turkey
  • 2017 — M.Sc., Institute of Materials Science and Nanotechnology (UNAM), Ankara, Turkey
  • 2022 — Ph.D. in Chemistry, University of Fribourg
  • May 2018–Present — Coskun Research Group, University of Fribourg

Research interests

Gas separation membranes, graphene membranes, and PPMs for gas and solvent separation.

Dr. Ranjeesh K. C.Senior ResearcherKerala, India

Education & career

  • 2011 — B.Sc. in Chemistry, Govt. Victoria College, University of Calicut, Kerala, India
  • 2013 — M.Sc. in Chemistry (Polymer Science), School of Chemical Sciences, Mahatma Gandhi University, Kerala, India
  • 2015 — M.Phil. in Chemistry–Organic Chemistry, School of Chemical Sciences, Mahatma Gandhi University, Kerala, India
  • 2021 — Ph.D. in Chemical Sciences, Organic Chemistry Division, CSIR–National Chemical Laboratory and AcSIR, India
  • 2022–2025 — Postdoctoral Researcher, College of Engineering and Physical Sciences, Khalifa University, Abu Dhabi, UAE
  • May 2027–Present — Senior Researcher, University of Fribourg

Research interests

Design and development of COFs, MOFs, and porous polymers for electro- and photocatalytic H₂O, CO₂, NO₃⁻, and N₂ reduction; sustainable energy-fuel production; separation and valorization of value-added chemicals from lignocellulosic biomass; electronic and ionic conductive materials; and organic luminescent materials.

Junior Researcher

Goktug AttarJunior ResearcherTurkey

Education & career

  • 2021 — B.Sc. in Molecular Biology and Genetics, Bilkent University, Ankara, Turkey
  • 2023 — M.Sc., Institute of Materials Science and Nanotechnology (UNAM), Bilkent University, Ankara, Turkey
  • October 2026–Present — Junior Researcher, University of Fribourg

Research interests

Materials science, graphene membranes, two-dimensional materials, and gas separation.

Ph.D. Students

Portrait of Lea Pompizii Lea PompiziiPh.D. StudentSwitzerland

Education & career

  • 2018 — B.Sc. in Chemistry, University of Bern
  • 2020 — M.Sc. in Chemistry, ETH Zürich
  • May 2023–Present — Ph.D. Student, University of Fribourg

Research interests

Liquid and solid-state electrolytes, lithium metal anodes, and organic interface design.

Portrait of Murad Najafov Murad NajafovPh.D. StudentAzerbaijan

Education & career

  • 2021 — B.Eng. in Chemical Engineering, Baku Higher Oil School, Azerbaijan
  • 2023 — M.Sc. in Chemical Engineering, Kaunas University of Technology and Tampere University
  • September 2023–Present — Ph.D. Student, University of Fribourg

Research interests

Porous organic polymers, covalent organic frameworks, heterogeneous catalysis, and flow chemistry.

Portrait of Mingliang Liu Mingliang LiuPh.D. StudentChina

Education & career

  • 2020 — B.Sc. in Materials Chemistry, Huzhou College, China
  • 2023 — M.Sc. in Materials Science, Nanjing University of Science and Technology, China
  • October 2023–Present — Ph.D. Student, University of Fribourg

Research interests

Lithium–sulfur batteries, lithium metal anodes, and porous organic polymers.

Portrait of Eylul Attar Eylul AttarPh.D. StudentTurkey

Education & career

  • 2021 — B.Sc. in Chemistry, Bilkent University
  • 2023 — M.Sc. in Chemistry, Bilkent University
  • October 2024–Present — Ph.D. Student, University of Fribourg

Research interests

Covalent organic frameworks, precious-metal recovery, and heterogeneous single-atom catalysis.

Marc GherardiPh.D. StudentSwitzerland

Education & career

  • 2023 — B.Sc. in Biology, ETH Zürich
  • 2026 — M.Sc. in Biology (Chemical Biology), ETH Zürich
  • November 2026–Present — Ph.D. Student, University of Fribourg

Research interests

Covalent organic frameworks, separation of small molecules from the aqueous phase, and supramolecular architectures.

Lina CamenischPh.D. StudentSwitzerland

Education & career

  • 2023 — B.Sc. in Chemistry, ETH Zürich
  • 2025 — M.Sc. in Chemistry, ETH Zürich
  • August 2026–Present — Ph.D. Student, University of Fribourg

Research interests

Solid-state electrolytes, lithium metal anodes, organic functional materials for batteries, and precious-metal recovery.

Members


Senior Researchers




Dr. Timur Ashirov


Researcher ID:

E-mail: timur.ashirov@unifr.ch  
     
Hometown: Tajikistan
       
Joined group: 05/2018
                                           
Education

2015 - B.Sc. in Chemistry, Middle East Technical University (Turkey)
2017 - M.Sc. in Institute of Materials Science and Nanotechnology (UNAM), Ankara, Turkey
2022 - PhD in Chemistry, University of Fribourg

Research Interests: Gas separation membranes, graphene membranes, PPMs for gas and solvent separation.




Postdoctoral Fellows



Dr. Laras Fadillah

ResearcherIDKYP-4396-2024







E-mail: laras.fadillah@unifr.ch

Hometown: Indonesia

Joined group: 05/2024
                                           
Education

2014 - B.Eng. in Physics Engineering, Universitas Gadjah Mada (Indonesia)

2017 M.Sc. in Materials Science, Universitas Indonesia, Indonesia

2022Ph.D in Chemical Engineering, Hokkaido University

Research InterestsLi-ion battery, All-solid-state battery, Interface stabilization, Electrolyte membranes


PhD Students



Alexander Forster

ResearcherIDAAC-4512-2022

ORCID
E-mail: alexander.forster@unifr.ch 
 
Hometown: Switzerland
       
Joined group: 10/2021
                                           
Education

2019 - B.Sc. in Chemistry, Eidgenössische Technische Hochschule (ETH) Zürich 

2021 - M.Sc. in Chemistry, Eidgenössische Technische Hochschule (ETH) Zürich 

Research Interests: All-solid-state batteries, Sulfide solid-state electrolytes, Lithium metal anode, Solid-state cathode, Organic interface design



Leonie Braks

ResearcherIDAAB-2162-2022

ORCID
E-mail: leonie.braks@unifr.ch 
 
Hometown: Netherlands
       
Joined group: 01/2022
                                           
Education

2018 - B.Sc. in Molecular Lifesciences, Wageningen University, The Netherlands 

2021 - M.Sc. in Nanoscience and Nanotechnology, Joint Erasmus Mundus Program KU Leuven, Belgium and Université Grenoble Alpes, France 

Research Interests: Sulfide-based all-solid-state batteries, Mechanically interlocked polymers, Lithium metal anode, Interfacial protection strategies





E-mail
Lea Pompizii

ResearcherID

ORCID
: lea.pompizii@unifr.ch 
 
HometownSwitzerland
       
Joined group: 05/2023
                                           
Education 
2018 - B.Sc. in Chemistry, University of Bern

2020 - M.Sc. in Chemistry, Eidgenössische Technische Hochschule (ETH) Zürich

Research Interests: Liquid and solid-state electrolytes, Lithium metal anode, Organic interface design



Murad Najafov

ResearcherIDKTI-3032-2024

ORCID

E-mail: murad.najafov@unifr.ch 

Hometown: Azerbaijan
       
Joined group: 09/2023
                                           
Education

2021 - B.Eng. in Chemical Engineering, Baku Higher Oil School, Azerbaijan 

2023 - M.Sc. in Chemical Engineering, Kaunas University of Technology, Lithuania and Tampere University, Finland.  

Research Interests: Porous Organic Polymers, Covalent Organic Frameworks, Heterogenous Catalysis, Flow Chemistry




Mingliang Liu

ResearcherIDJWP-6679-2024

ORCID

E-mail: liu.mingliang@unifr.ch

Hometown
: China

Joined group: 10/2023

Education

2020 - B.Sc. in Materials Chemistry, Huzhou College, China

2023 - M.Sc. in Materials Science, Nanjing University of Science and Technology, China 

Research Interests: Lithium-Sulfur Battery, Lithium Metal Anode, Porous Organic Polymer



Eylul Attar

ResearcherID: NUP-9996-2025

ORCID

E-mail: eyluel.calikyilmaz@unifr.ch 
 
Hometown: Turkey
       
Joined group: 10/2024
                                           
Education

2021 - B.Sc. in Chemistry, Bilkent University

2023 - M.Sc. in Chemistry, Bilken University

Research Interests: Covalent Organic frameworks, Precious metal recovery, Heterogeneous single-atom catalysis.

MSc Students

  • Yolanda Temel (UniFr) - 2022
  • Elena Schweiter (UniFr) - 2021
  • Cristiano Caridade (UniFr) - 2020
  • Anh-dao Nguyen (EPFL) - 2020
  • Yannic Lauber (UniFr) - 2019