Ms. NTUMBA LOBO | Physical Chemistry | Best Researcher Award

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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)

 

Dr. Victoria Varchenko | Analytical Chemistry Award | Best Researcher Award

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Dr. Victoria Varchenko | Analytical Chemistry Award | Best Researcher Award

Dr. Victoria Varchenko ,Institute of Functional Materials Chemistry of State Scientific Institution “Institute for Single Crystals” of NAS of Ukraine , Ukraine

Victoria Varchenko is a skilled analytical chemist whose expertise lies in electrochemical methods and nanoparticle characterization. He completed her Ph.D. in Analytical Chemistry  at  Institute for Single Crystals, Ukraine, under Dr. K.N. Belikov. Her doctoral research focused on modified carbon paste electrodes for voltammetric determination of indole compounds, a vital area in analytical chemistry. Varchenko has contributed to the development of advanced procedures for preconcentration, sorption, and microextraction. he currently holds a position as Research Associate at the same institute, where he applies her deep knowledge of voltammetry, electrochemical transformations, and inductively coupled plasma optical emission spectrometry (ICP-OES). Her work significantly impacts the accuracy and efficiency of analytical chemistry techniques, especially in complex environmental and biological sample analysis.

Professional Profile:

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Summary of Suitability for Award:

Victoria Varchenko’s qualifications, experience, and research contributions make her a strong candidate for the “Best Researcher Awards.” Her educational background includes a Ph.D. in Analytical Chemistry from the State Scientific Institution “Institute for Single Crystals” of the National Academy of Sciences of Ukraine, with a focus on modified carbon paste electrodes for the voltammetric determination of electroactive indole compounds. Her research in this area shows innovation in analytical chemistry, specifically in voltammetry, and her expertise in preconcentration, separation, microextraction, and electrochemical transformation of organic substances demonstrates a deep understanding of complex chemical processes.

🎓Education:

Victoria Varchenko obtained her Ph.D. in Analytical Chemistry from the Institute for Single Crystals, Ukraine, in  under the guidance of Dr. K.N. Belikov. Her thesis, titled Modified Carbon Paste Electrodes for Voltammetric Determination of Electroactive Indole Compounds, significantly contributed to the field of electrochemical analysis. Before pursuing her doctoral degree, she earned a Master of Science in Chemistry from V.N. Karazin Kharkov National University in  specializing in chemical metrology. This foundational training provided her with a deep understanding of analytical techniques and quality control processes. Varchenko’s education has equipped her with the skills necessary to develop innovative solutions to complex analytical challenges, especially in the areas of voltammetry, sorption, and microextraction.

🏢Work Experience:

Victoria Varchenko has a rich background in analytical chemistry, with over eight years of experience at the State Scientific Institution “Institute for Single Crystals” of the National Academy of Sciences of Ukraine. She started her career there as a Junior Research Associate , where she focused on developing and validating analytical procedures, particularly in microextraction, voltammetry, and sorption techniques. In 2020, she was promoted to Research Associate, where she continues to focus on advanced applications of electrochemical methods, including the study of organic substances’ electrochemical transformations. Varchenko’s work also involves the use of inductively coupled plasma optical emission spectrometry (ICP-OES) for comprehensive analysis of diverse sample types. Her experience spans various research areas, including nanoparticle synthesis, voltammetric analysis, and analytical quality control, positioning her as an expert in her field.

🏅Awards:

Victoria Varchenko has received recognition for her significant contributions to the field of analytical chemistry, particularly for her innovative research on electrochemical techniques. Though specific awards are not detailed, her work is highly regarded in the scientific community, with multiple publications in peer-reviewed journals. Her research, including the development of modified carbon paste electrodes for indole compound determination, has been instrumental in advancing analytical chemistry techniques. Additionally, her work on microextraction and sorption in environmental analysis has been well-received. Varchenko has been an active contributor to quality control advancements in chemical analysis, further demonstrating her impact on the field. Her work is supported by her position as a Research Associate at a leading institution, reflecting the esteem with which she is regarded by her peers.

🔬Research Focus:

Victoria Varchenko’s primary research interests lie in advancing analytical chemistry techniques, with a particular focus on preconcentration, separation methods, and electrochemical analysis. She specializes in developing and applying modified carbon paste electrodes for voltammetric determination of electroactive organic compounds. Her work in microextraction and sorption has led to enhanced sample preparation methods, improving the efficiency and accuracy of analytical testing. Varchenko is also involved in nanoparticle synthesis and characterization, areas that are increasingly important in environmental and biological analysis. Furthermore, she applies inductively coupled plasma optical emission spectrometry (ICP-OES) for the comprehensive analysis of complex samples, such as environmental and agricultural products. Varchenko’s research is aimed at creating more efficient, accurate, and environmentally friendly analytical methods, with applications in fields like environmental monitoring and health diagnostics.

Publication Top Notes:

  • Differential-Pulse Polarographic Determination of Periciazine by Hydrogenperoxymonofulfate Treatment
  • Menthol-Based (Deep) Eutectic Solvents: A Review on Properties and Application in Extraction
    • Cited by: 13
  •  Application of Cloud-Point Extraction for the Determination of Arsenic using Inductively Coupled Plasma Atomic Emission Spectrometry in Several Pharmaceutical Preparations
  • : Grafting of phosphorus-containing tetrahydroxy(thia)calixarenes on silica enhances europium(III) adsorption
    • Cited by: 3
  • Study on the sorption properties of (NH4)2TiOF4 particles
    • Cited by: 3