Mr. Yohannes Shuka Jara | Physical Chemistry | Young Researcher Award

Lecturer and Researcher,at Borana University ,Ethiopia

Yohannes Shuka Jara is an Ethiopian chemist, researcher, and academic currently serving as a Lecturer at Borana University in the Department of Chemistry. He is actively involved in teaching, research, and scientific community services. His career began at Madda Walabu University, where he held multiple roles including Senior Lab Technical Assistant and Chief-in Laboratory Chemist. With a passion for sustainable science and technology, he has focused his work on the green synthesis of nanoparticles, environmental remediation, and renewable energy applications. Yohannes has authored several peer-reviewed journal articles and co-authored a laboratory manual and a scientific book. He also serves as a journal reviewer and editorial board member. Recognized for his academic excellence and impactful research, he has received national and international awards, including a Best Researcher Award in Metallurgical Engineering. His work contributes significantly to applied chemistry, especially in resource-limited and ecologically sensitive regions.

🔹 Professional Profile

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🎓 Education

Yohannes Shuka Jara holds a Master of Science degree in Physical Chemistry from Hawassa University, Ethiopia, where he focused on green energy and environmental nanotechnology. He completed his undergraduate studies in Chemistry at Dilla University, Ethiopia. His academic training includes advanced coursework in materials chemistry, catalysis, analytical techniques, and computational chemistry. Beyond formal education, he has undertaken several training programs and certifications in laboratory safety, pedagogical instruction, online teaching methodologies, and digital learning technologies. Additionally, he has enhanced his technical proficiency through nanodegree programs in Programming Fundamentals and Artificial Intelligence Fundamentals with global collaborations, including Udacity and the Ministry of Innovation and Technology of Ethiopia. His interdisciplinary training equips him to approach chemical research with both traditional and technological insights, supporting innovation in chemical education, environmental science, and green chemistry solutions for modern challenges.

💼 Experience

Yohannes has progressive academic and research experience. He is currently a Lecturer of Physical Chemistry at Borana University. Previously, he served at Madda Walabu University as Chief-in Laboratory Chemist and Researcher, and as Senior Laboratory Technical Assistant. In these roles, he was instrumental in laboratory organization, instrument calibration, and training of instructors and technicians. His responsibilities encompassed curriculum delivery, experimental design, student supervision, and community engagement through scientific outreach programs. He has authored several laboratory manuals and organized multiple training workshops to strengthen laboratory practices in secondary schools and higher institutions. He also contributes to academic quality assurance and community service projects, such as sanitizer production during the COVID-19 pandemic. His multidisciplinary technical and teaching experience, including advanced skills in modern instrumentation and computational tools, reflects his commitment to high-quality academic service and research-driven teaching in the chemical sciences.

🏆 Awards

Yohannes has received notable recognitions for his academic and research contributions. He was honored with the Best Researcher Award in Metallurgical Engineering by metallurgicalengineering.org (Scifax Group) in 2025, reflecting the innovation and impact of his materials research. In 2024, he received the Presidential Award from Hawassa University for outstanding academic and research performance during his Master’s studies. He has also been recognized internationally with a Certificate of Recognition for his role as a scientific committee member at the Annual International Congress on Nanoscience and Nanotechnology hosted by Oxford University. His numerous certificates from national institutions validate his participation in pedagogical training, scientific communication, and innovation competitions such as “Solve IT 2023.” His community contributions, especially in laboratory organization and COVID-19 response initiatives, demonstrate a strong commitment to science-led development and education in Ethiopia.

🔬 Research Focus in Physical Chemistry

Yohannes’s research centers on the green synthesis and application of nanoparticles for sustainable and environmentally friendly solutions. His core areas include photocatalysis, biosensor development, electrochemical energy generation, and environmental remediation. He explores semiconductor nanocomposites, such as ZnO-, CuO-, Fe₃O₄-, and Co₃O₄-based materials, for degrading toxic dyes, detecting pharmaceuticals like paracetamol, and enhancing microbial fuel cell (MFC) performance. His work also involves biomass-derived activated carbon for water purification and the integration of bio-organic systems in pollutant detection. Currently, he is investigating biologically synthesized N-Zn-codoped CuO nanoparticles for multifunctional roles, including anti-microbial and electrochemical sensing applications. Yohannes emphasizes low-cost, sustainable, and green methodologies that align with the principles of environmental chemistry and circular economy. His applied research contributes to solving real-world problems in energy, water quality, pollution, and public health within resource-constrained settings, especially in rural Ethiopia.

📚 Publications Top Notes

Biosynthesized pure CuO, N-CuO, Zn-CuO, and N-Zn-CuO nanoparticles for photocatalytic activity: Enhanced optical properties through bandgap engineering

Authors: Yohannes Shuka Jara, Endale Tsegaye Mohammed, Tilahun Tumiso Mekiso
Journal: Next Materials
DOI: 10.1016/j.nxmate.2025.100742

Summary:
This article reports the synthesis and characterization of novel CuO-based nanoparticles doped with nitrogen (N) and zinc (Zn), developed through a green biosynthesis method. By engineering the bandgap, these nanostructures exhibited enhanced photocatalytic performance for dye degradation under visible light. Detailed optical, morphological, and structural analysis showed significant shifts in bandgap and improved catalytic efficiency, especially in N-Zn-CuO samples. The study contributes to the field of environmental remediation and nanomaterials engineering for water purification.

Investigation of Energy Efficiency in a Zeolite-Water Adsorption Solar Cooling System Utilizing Locally Sourced Materials for the Conservation Chamber

Author: Yohannes Shuka
Journal: Physical Science International Journal
DOI: 10.9734/psij/2025/v29i4889

Summary:
This review explores the development and performance of an adsorption-based solar cooling system using zeolite-water pairs. The system is optimized with locally available materials for cost-effective applications in conservation chambers. The energy analysis reveals high thermal efficiency and cooling potential in off-grid settings. The study highlights the viability of solar-assisted eco-friendly cooling technologies in regions with abundant solar radiation and limited energy infrastructure.

Green Energy: Power Generation Improvement in Microbial Fuel Cells Using Bio‐Synthesized Polyaniline‐Coated Co₃O₄ Nanocomposite

Authors: Tesfahun Eyoel, Yohannes Shuka, Sisay Tadesse, Tekalign Tesfaye, Mesele Mengesha, Suha Orçun MERT
Journal: International Journal of Energy Research
DOI: 10.1155/er/2936572

Summary:
This work presents a novel polyaniline-coated cobalt oxide (Co₃O₄) nanocomposite anode, biosynthesized using green methods for microbial fuel cell (MFC) applications. The coating significantly improves bio-electrode interactions and conductivity, resulting in higher power density and energy conversion efficiency. The eco-friendly synthesis and enhanced MFC output make this study relevant for sustainable bioenergy technologies.

Improving the power production efficiency of microbial fuel cell by using biosynthesized polyaniline-coated Fe₃O₄ as pencil graphite anode modifier

Authors: Tekalign Tesfaye, Yohannes Shuka, Sisay Tadesse, Tesfahun Eyoel, Mesele Mengesha
Journal: Scientific Reports
DOI: 10.1038/s41598-024-84311-5

Summary:
The study demonstrates a cost-effective anode modification strategy using biosynthesized polyaniline-coated Fe₃O₄ nanoparticles applied to pencil graphite electrodes in microbial fuel cells. This modification enhances electrochemical surface area, leading to significant improvements in microbial attachment, charge transfer, and power output. This research provides a scalable approach for improving MFC performance using sustainable materials.

Highly efficient catalytic degradation of organic dyes using iron nanoparticles synthesized with Vernonia amygdalina leaf extract

Authors: Yohannes Shuka Jara, Tilahun Tumiso Mekiso, Aschalew Paulos Washe
Journal: Scientific Reports
DOI: 10.1038/s41598-024-57554-5
Summary:
This article introduces a green synthesis method for iron nanoparticles using Vernonia amygdalina leaf extract and evaluates their catalytic potential for degrading harmful organic dyes in wastewater. The study reveals the nanoparticles’ strong surface reactivity and high degradation efficiency under ambient conditions. The eco-friendly approach and practical application in water treatment systems make it a noteworthy advancement in environmental nanotechnology.

📌 Conclusion