Researcher profile

Catalytic materials for sustainable fuels and chemicals

I am Abdoul Salam Issiaka Ibrahim, an interdisciplinary Ph.D. researcher working across heterogeneous and electrochemical catalysis, microwave reaction engineering, DFT and artificial intelligence.

Explore the research

Catalytic engineering platform

01MaterialsOxides · Sulfides · Ionic liquids
02ReactionsBiofuels · H₂ · CO₂ utilization
03InsightOperando · DFT · AI/ML

Structure → activity → selectivity → stability

Research profile

CO₂ valorization and catalytic process engineering

Discovery and development of materials for electrochemical reduction and hydrogenation, supported by DFT, machine learning and operando analysis.

Research areas

Research record

Six peer-reviewed articles

Four first-author papers spanning electrocatalysis, heterogeneous catalysis, biofuels and ML-assisted reaction optimization.

Full publication list

06Peer-reviewed
articles

04First-author
papers

04Funded research
projects

3.89Ph.D. GPA
out of 4.00

From material synthesis to validated catalytic performance

My work connects catalyst preparation, reaction engineering, product analysis, electrochemical evaluation, computational chemistry and interpretable learning models.

01

Heterogeneous catalysis & process intensification

Magnetic oxides, sulfides and phosphides, rGO composites, solid acids and ionic liquids for microwave-assisted esterification and transesterification.

Hydrothermal · Solvothermal · Microwave · Kinetics · Thermodynamics
02

Electrocatalysis & CO₂ utilization

Development of catalytic materials for hydrogen and oxygen evolution and current work on electrochemical CO₂ reduction and hydrogenation.

CV · LSV · EIS · Tafel · Chronoamperometry · Operando analysis
03

DFT & data-driven catalysis

Electronic-structure analysis and uncertainty-conscious machine learning for catalyst descriptors, reaction prediction and process optimization.

Gaussian 16 · XGBoost · CatBoost · TabPFN · ANN/PINN · SHAP

Peer-reviewed research

Complete publication list reported in the curriculum vitae, with direct DOI links.

  1. 01

    2026 · Journal of Physics and Chemistry of Solids · 218 · 113919

    Synergistic interfacial coupling in Ni₃(PO₄)₂@rGO for enhanced hydrogen evolution in acidic media

    Ibrahim, A. S. I., Çirmi, D., Moses, T. O., Görmez, Ö., & Gözmen, B.

    View DOI (opens in a new tab)
  2. 02

    2026 · Bioresource Technology Reports · 102832

    Machine learning-assisted prediction and optimization of microwave-assisted esterification of levulinic acid for ethyl levulinate production

    Ibrahim, A. S. I., Yahaya, A., Saydi, S., Çomak, G., & Sönmez, Ö.

    View DOI (opens in a new tab)
  3. 03

    2026 · Biomass and Bioenergy · 206 · 108630

    Microwave-assisted biodiesel production from waste cooking oil using a pyrrolidinium ionic-liquid catalyst: Optimization, kinetic and thermodynamic studies

    Ibrahim, A. S. I., Hilmi, B., Gözmen, B., & Sönmez, Ö.

    View DOI (opens in a new tab)
  4. 04

    2024 · Fuel · 371 · 131988

    Esterification of oleic acid using CoFe₂O₄@MoS₂ solid acid catalyst under microwave irradiation

    Ibrahim, A. S. I., Gözmen, B., & Sönmez, Ö.

    View DOI (opens in a new tab)
  5. 05

    2025 · Fuel · 382 · 133791

    Microwave-assisted esterification of oleic acid using a pyrrolidinium-based Brønsted-acidic ionic-liquid catalyst

    Cindioğlu, A., Ibrahim, A. S. I., & Sönmez, Ö.

    View DOI (opens in a new tab)
  6. 06

    2025 · Journal of Materials Science · 60 · 19615–19632

    Modulator-assisted solvothermal synthesis of CeO₂ derived from Ce-BDC MOFs: Effect on oxygen evolution reaction performance

    Çirmi, D., Moses, T. O., Ibrahim, A. S. I., et al.

    View DOI (opens in a new tab)

Current manuscripts

Under review

Explainable TabPFN-3-Guided Process Intensification of Microwave-Assisted Waste Cooking Oil Transesterification over a Magnetic Catalyst: Optimization and Kinetic Analysis

View preprint (opens in a new tab)

Under review

Microwave-Intensified Biodiesel Production from Waste Cooking Oil Using Ionic Liquid Catalysis: DFT Insights and Physics-Enriched XGBoost Optimization

View preprint (opens in a new tab)

In finalization

Ionic Liquid-Catalyzed Microwave-Assisted Synthesis of Ethyl Levulinate from Biomass-Derived Levulinic Acid

In finalization

Ni(OH)₂@PPy@Co₉S₈ for supercapacitor applications

In finalization

Physics-Informed Delta Learning for Experimental Crystal Geometry Correction: Interpretable Prediction of Bond Lengths and Bond Angles in Fluorinated Benzoylthiourea Ligands and Ru(II) Complexes

Research projects and responsibilities

2022–2025

TÜBİTAK 124M005

Project Researcher

Microwave-assisted waste-cooking-oil biodiesel production using a pyrrolidinium ionic-liquid catalyst; optimization, kinetic and thermodynamic studies.

2022–2026

Mersin University BAP 2024-TP3-5031

Ph.D. Researcher / Project Member

Biodiesel production using magnetic nanomaterials.

2023–2025

Mersin University BAP 2023-1-TP2-4892

Ph.D. Researcher

ML-assisted prediction and optimization of levulinic-acid esterification to ethyl levulinate.

2022–2025

Mersin University BAP 2022-1-TP2-4571

Ph.D. Researcher

Microwave-assisted oleic-acid esterification using a pyrrolidinium Brønsted-acidic ionic-liquid catalyst.

Research responsibilities

  • Experimental planning, catalyst synthesis, reaction-matrix design and assessment of conversion, yield, reuse and stability.
  • GC-FID, FTIR, HPLC and ¹H-NMR product analysis; kinetic and thermodynamic interpretation; figure, dataset and manuscript preparation.
  • Mentorship of junior researchers in synthesis, characterization, machine learning and scientific writing.

Education and professional experience

Education

2021–2026

Ph.D. in Chemistry

Mersin University, Türkiye · GPA 3.89/4.00

Thesis: Development of Spinel Oxide-Based Magnetic Heterogeneous Catalysts under Microwave Irradiation for Biofuel Synthesis and Machine-Learning Applications.

Supervisor: Prof. Dr. Özgür Sönmez · Türkiye Government Excellence Scholarship

2019–2021

M.Eng. in Oil Refining and Petrochemicals

Abdou Moumouni University, Niger · 16.50/20

Thesis: Process-Based Quantification and Engineering Assessment of Liquefied Petroleum Gas Losses at the Nigerien Company of Hydrocarbons.

Supervisor: Prof. Dr. Manzola Abdou Salam · Niger Excellence Government Scholarship

2014–2017

B.Eng. in Mines, Oil and Gas

Abdou Moumouni University, Niger · 13.41/20

Thesis: Physicochemical Characterization of Wellhead Crude Oils and Assessment of Their Influence on Separation Performance at the CNPC-NP FPF Station, Agadem Block, Niger.

Supervisor: Prof. Dr. Manzola Abdou Salam

Experience

2023–2026

Chemistry Teacher

Berneshti International School · Mersin, Türkiye

Chemistry teaching for grades 9–12, scientific reasoning and student assessment.

2022–2026

Laboratory Teaching & Mentoring

Mersin University · Türkiye

Undergraduate laboratory support, experimental setup, safety, data analysis, posters and reports; mentorship of Master’s and Ph.D. researchers.

2021–2022

HSE Engineer Assistant

Great Wall Drilling Corporation

Safety monitoring, compliance procedures and operational risk assessment in drilling workflows.

2018–2021

Process Assistant

Nigerien Company of Hydrocarbons (SONIHY SA)

Hydrocarbon-process monitoring, LPG management and loss evaluation.

Technical expertise

Catalytic reaction engineering

Microwave-assisted esterification and transesterification; waste-cooking-oil biodiesel; oleic- and levulinic-acid conversion; kinetics, thermodynamics and catalyst stability.

Electrochemical systems

Electrode preparation; three-electrode cells; HER/OER evaluation; CV, LSV, EIS, Tafel and chronoamperometry; CO₂RR product-analysis readiness.

Materials characterization

XRD, SEM/TEM, BET, XPS, UV–Vis, FTIR, NMR, TGA, DSC and magnetic-property datasets; interfacial and structure–activity interpretation.

DFT & molecular modelling

Gaussian 16 and GaussView; geometry optimization, HOMO–LUMO, ESP and DOS; working knowledge for catalyst descriptors.

Machine learning

TabPFN, gradient boosting, XGBoost, Random Forest, CatBoost, ANN/PINN and linear models; LOOCV, nested CV, bootstrap, SHAP and partial dependence.

Process & safety

Aspen HYSYS; refining and LPG-process fundamentals; laboratory safety and HSE risk awareness.

Awards, presentations and professional development

Awards & distinctions

  • Best Poster Award · Mersin University · 2025
  • First Prize – Best Graduate Student · Abdou Moumouni University · 2021
  • Best Thesis Award · Faculty of Science and Technology · 2021
  • Best Student Award · Abdou Moumouni University · 2017
  • Türkiye Government Excellence Scholarship · Ph.D. · 2021
  • Nigerien Government Excellence Scholarships · 2014, 2019 and 2021

Selected presentations

  • Toward Sustainable Hydrogen Production: Advances in Electrocatalytic Urea and Urine Splitting for Circular Energy and Waste Valorization · Oral presentation · 2025
  • Synthesis of a Pyrrolidinium-Based Ionic Liquid Catalyst and Its Application in Biodiesel Production · 2024
  • The Roles of Magnetic Nanomaterials in Biofuel Systems · Oral presentation · 2024

Training & service

  • Density Functional Theory Workshop · Mersin University · 2025
  • Machine Learning Workshop · PioPetro · 2024
  • Advanced Aspen HYSYS Process Simulation · 2019
  • Reviewer · Biomass and Bioenergy · 2025
  • Reviewer · Green Chemistry Letters and Reviews · 2026
  • American Chemical Society · Member 2026–2027
  • Society of Petroleum Engineers · Member 2026–2027

Research collaboration and postdoctoral opportunities

Mersin, Türkiye · French and Hausa (native) · English C1 · Turkish C1