Mr. Hocine Grabi | Materials Chemistry | Best Researcher Award

Mr. Hocine Grabi | Materials Chemistry | Best Researcher Award

University of Science and Technology Haouari Boumediene | Algeria

Mr. Hocine Grabi is an accomplished researcher specializing in materials and environmental chemistry, with a strong focus on biosorption, wastewater treatment, and the valorization of natural and agricultural wastes into efficient adsorbents for pollutant removal. His research integrates environmental chemistry, surface science, and materials development to create sustainable solutions for dye and contaminant removal from industrial effluents. His work contributes significantly to the fields of eco-materials, adsorption mechanisms, and the circular use of biomass-derived resources. Dr. Grabi’s publications are highly cited, reflecting his influence in the scientific community, with 142 Scopus citations, 10 documents, and an h-index of 6. His international collaborations have advanced the understanding of biochar synthesis, composite characterization, and adsorption kinetics in environmental applications. He also reviews for reputed journals such as Biomass Conversion and Biorefinery and Journal of Polymers and the Environment. His research demonstrates innovative approaches to converting plant-based materials into functional adsorbents for the remediation of contaminated waters, contributing to the advancement of green chemistry and environmental sustainability

Profile : Scopus

Featured Publications : 

  1. Grabi, H., Derridj, F., Lemlikchi, W., & Guénin, E. (2021). Studies of the potential of a native natural biosorbent for the elimination of an anionic textile dye Cibacron Blue in aqueous solution. Scientific Reports, 11, 9705.

  2. Grabi, H., Lemlikchi, W., & Derridj, F. (2021). Efficient native biosorbent derived from agricultural waste precursor for anionic dye adsorption in synthetic wastewater. Biomass Conversion and Biorefinery.

  3. Ouakouak, A., Abdelhamid, M., Barhoumi, T., Hadj-Otmane, C., Grabi, H., Hamdi, N., & Syafiuddin, A. (2021). Development of a novel adsorbent prepared from dredging sediment for effective removal of dye in aqueous solutions. Applied Sciences, 11(22), 10722.

  4. Grabi, H., Kadouche, S., Ouakouak, A., & Hamdi, N. (2022). Mechanism and adsorptive performance of ash tree seeds as a novel biosorbent for the elimination of methylene blue dye from water media. Surfaces and Interfaces, 31, 101947.

  5. Grabi, M., Chellil, A., Habibi, M., Grabi, H., & Laperriere, L. (2022). Characterization of low-velocity impact and post-impact damage of luffa mat composite using acoustic emission and digital image correlation. Journal of Composite Materials, 56(11), 1651–1665.

Ms. NTUMBA LOBO | Physical Chemistry | Best Researcher Award

Ms. NTUMBA LOBO | Physical Chemistry | Best Researcher Award

Ms. NTUMBA LOBO | Physical Chemistry | PhD student at NAGOYA INSTITUTE OF TECHNOLOGY, Japan

Ntumba Lobo, a Congolese researcher, is a Ph.D. student and research assistant at Nagoya Institute of Technology, Japan. She specializes in semiconductor materials, focusing on carrier recombination effects in perovskites. She holds a Master’s degree from Shibaura Institute of Technology, Japan, in hydrogen storage materials, and an M.Sc. in Nuclear Physics from Addis Ababa University, Ethiopia. With experience in international collaborations, she was an exchange researcher at Friedrich-Alexander-Universität Erlangen-Nürnberg, Germany. Ntumba has participated in several scientific conferences and published extensively in high-impact journals. She has also held teaching and research positions, including at the University of Kinshasa and the Centre Régional de Recherche Nucléaire de Kinshasa. Her work contributes significantly to materials science and renewable energy applications.

Professional Profile :         

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Summary of Suitability for Award:

Ntumba Lobo is an exceptional researcher with a strong multidisciplinary background in semiconductor materials, energy storage, and nuclear physics. Her Ph.D. research at Nagoya Institute of Technology, Japan, focuses on metal halide perovskites, lithium tantalate, and carrier dynamics, contributing significantly to the development of advanced semiconductor materials. She has demonstrated excellence in research through multiple international collaborations, including an exchange program at Friedrich-Alexander-Universität Erlangen-Nürnberg, Germany. Her expertise in material characterization techniques such as Time-Resolved Photoluminescence (TRPL), Scanning Electron Microscopy (SEM), and X-ray Diffraction (XRD) has led to high-impact publications and conference presentations. Ntumba Lobo’s extensive research contributions, global collaborations, and expertise in semiconductor and energy materials make her a strong candidate for the “Best Researcher Award.” Her work is not only innovative but also has a significant impact on the future of optoelectronic devices and sustainable energy solutions. Her dedication to scientific excellence, combined with her ability to work across disciplines, positions her as a deserving recipient of this prestigious recognition.

🎓Education:

Ntumba Lobo is currently pursuing a Ph.D. in Science and Engineering at Nagoya Institute of Technology, Japan, specializing in semiconductor materials (expected completion in September 2025). She was an exchange student at i-MEET, Friedrich-Alexander-Universität Erlangen-Nürnberg, Germany, in 2022, where she worked on single and polycrystal semiconductor materials. She obtained a Master’s degree in Science and Engineering from Shibaura Institute of Technology, Japan (2018-2020), focusing on energy storage materials. Before that, she completed an M.Sc. in Nuclear Physics from Addis Ababa University, Ethiopia (2014-2016), with a dissertation on nuclear fusion reactions. Her academic journey began with a B.Sc. (Honors) in Physics from the University of Kinshasa, Democratic Republic of the Congo (2012), where she contributed to non-destructive characterization of reinforced concrete using ultrasound methods. Her diverse educational background in physics, material science, and engineering has equipped her with expertise in semiconductor research and energy materials.

🏢Work Experience:

Ntumba Lobo has extensive experience in research and teaching. Since 2020, she has been a Research Assistant at Nagoya Institute of Technology, working on semiconductor materials and device characterization. She has completed multiple internships, including at OSM Group Co., Ltd. (Japan, 2019) and For Delight Co. Ltd. (Japan, 2018), where she gained industry exposure. Her research career started with an internship at the Centre Régional de Recherche Nucléaire de Kinshasa (2016-2017) in nuclear physics. She also worked as a Teaching Assistant at the University of Kinshasa (2013-2014) and taught physics, scientific drawing, and technology at Liziba High School (2012-2013). Her hands-on expertise in material characterization techniques, including Scanning Electron Microscopy (SEM), X-ray Diffraction (XRD), and photoconductivity measurements, has contributed to multiple high-impact publications. Her professional experience spans academic, industrial, and research institutions, making her a well-rounded scientist in semiconductor and energy materials.

🏅Awards: 

Ntumba Lobo has been recognized for her contributions to material science and semiconductor research. She received funding for an exchange research program at Friedrich-Alexander-Universität Erlangen-Nürnberg, Germany (2022), where she worked on advanced semiconductor materials. Her research on energy storage materials during her Master’s at Shibaura Institute of Technology was highly appreciated. She has presented her work at prestigious conferences, including the 16th International Symposium on Metal-Hydrogen Systems (China, 2018) and the Solid-State Devices and Materials Conference (Japan, 2023). She also participated in specialized training programs such as the Summer School on Space Weather in Kinshasa (2011) and Advanced Python Programming and Geographic Information Systems training in Addis Ababa (2016). Her continuous engagement in international research collaborations and conferences showcases her commitment to scientific advancement.

🔬Research Focus:

Ntumba Lobo’s research focuses on semiconductor materials, particularly metal halide perovskites and their carrier dynamics. She investigates surface recombination, carrier lifetime, and trapping effects in single and polycrystalline materials using techniques like Microwave Photoconductivity Decay (µPCD) and Time-Resolved Photoluminescence (TRPL). Her work extends to lithium tantalate and its photoconductance properties. She has also contributed to the field of hydrogen storage materials, analyzing the effects of TiO₂, Nb₂O₅, and TiH₂ catalysts on magnesium hydride. Additionally, her expertise in nuclear physics has allowed her to explore neutron-induced reactions and fusion mechanisms. By integrating her knowledge in physics, materials science, and engineering, she aims to develop efficient, stable, and high-performance materials for energy storage and semiconductor applications. Her research is pivotal in advancing next-generation optoelectronic devices and sustainable energy solutions.

Publication Top Notes:

Stability investigation of the γ-MgH₂ phase synthesized by high-energy ball milling

Citations: 27

Stable quasi-solid-state zinc-ion battery based on the hydrated vanadium oxide cathode and polyacrylamide-organohydrogel electrolyte

Citations: 13

Trapping effects and surface/interface recombination of carrier recombination in single- or poly-crystalline metal halide perovskites

Citations: 9

Study of ²⁰Ne Induced Reaction in ⁵⁹Co: Incomplete and Complete Fusion

Citations: 3

Effect of TiO₂ + Nb₂O₅ + TiH₂ Catalysts on Hydrogen Storage Properties of Magnesium Hydride

Citations: 2

La Super Symétrie en Physique Quantique

Citations: 1

Mitigation of carrier trapping effects on carrier lifetime measurements with continuous-wave laser illumination for Pb-based metal halide perovskite materials

Transport and business improvement in the province of South-Ubangi (Democratic Republic of the Congo)