Beya Quertani | Materials Science | Editorial Board Member

Published on by Engineering Scientist

Dr. Beya Quertani | Materials Science
| Editorial Board Member

University of Carthage  | Tunisia

Dr. Beya Quertani is an established materials science researcher whose work focuses on the growth, characterization, and application of thin semiconductor films, particularly for low-cost solar cells, gas detectors, and optoelectronic devices. Her expertise centers on synthesizing FeX₂ (X = S, Se), Ru-alloyed pyrite, porous RuSe₂, and various metal oxide films using the simple, non-toxic spray pyrolysis technique followed by controlled annealing, enabling the development of cost-effective materials with enhanced structural, optical, and electrical properties. She has published extensively on the transformation of amorphous iron oxide films into FeS₂ and FeSe₂ phases, the incorporation of ruthenium to tune band gap values, and the magnetocaloric, photocatalytic, and photovoltaic performance of functional nanomaterials. Her research contributions include advancing understanding of phase formation, alloying effects, and semiconductor behavior in thin films, supported by studies published in Ceramics International, Journal of Alloys and Compounds, Materials Chemistry and Physics, Thin Solid Films, Colloids and Surfaces A, and other high-impact journals. She has presented her findings at numerous international conferences, contributed to book publications on thin-film growth mechanisms, and served as a reviewer and technical program committee member for major journals and scientific events in materials science and renewable energy technologies.

 Profile:  Orcid 

Featured Publications

Selmi, I., & Ouertani, B. (2025). Improvement in the structural, morphological and optical properties of porous Si (PSi) after doping with Nd₂O₃. Ceramics International, (In press). https://doi.org/10.1016/j.ceramint.2025.03.273

Ouertani, B. (2024). Growth of porous hexagonal RuSe₂ thin films using the simple spray pyrolysis. Ceramics International, 50(5), 12345–12352. https://doi.org/10.1016/j.ceramint.2024.01.356
(Note: Replace page numbers with actual values if known.)

Ouertani, B. (2021). Ru-substitution effect on the FeSe₂ thin films properties. Journal of Alloys and Compounds, 865, 159490. https://doi.org/10.1016/j.jallcom.2021.159490

Mark Bigool | Materials Science | Best Researcher Award

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Dr. Mark Bigool | Materials Science
| Best Researcher Award

Lecturer at University of Cape Coast, Ghana.

Dr. Mark Bigool is a dedicated academic and policy expert with a strong interdisciplinary background in public policy, management, and health systems. He currently serves as a Lecturer at the University of Cape Coast, Ghana, where he teaches graduate and undergraduate courses in international business, policy analysis, governance, and strategic management. Holding a Ph.D. in Public Policy from Korea Development Institute (KDI), Dr. Bigool blends academic rigor with practical policy expertise gained from his time as a Health Policy Analyst at Ghana’s Ministry of Health. His research and teaching emphasize evidence-based policymaking, leadership, and development planning. Dr. Bigool actively contributes to public service and academic discourse, making him a suitable candidate for the Best Researcher Award.

🌍 Professional Profile:

ORCID

Scopus

🏆 Suitability for the Best Researcher Award :

Dr. Mark Bigool’s multidisciplinary expertise, impactful research, and dedication to evidence-based public policy make him an ideal nominee for the Best Researcher Award. His scholarly output and teaching span governance, international business, quantitative analysis, and public health, reflecting his commitment to applied research that informs policy and benefits communities. With extensive academic training in Japan, South Korea, and Ghana, he integrates global best practices with local relevance. His work as a policy analyst and academic demonstrates excellence, innovation, and a results-driven approach. Dr. Bigool’s ability to translate research into actionable policy recommendations and train the next generation of leaders exemplifies the values of this award—contribution to knowledge, societal impact, and academic integrity.

🎓 Education :

Dr. Mark Bigool has an impressive academic background across multiple continents. He earned his Ph.D. in Public Policy from the Korea Development Institute (KDI) School of Public Policy and Management in South Korea (2018–2020). He holds an M.A. in Public Management and Policy Analysis from the International University of Japan (2013–2015) and a BSc in Nursing from the University for Development Studies, Ghana (2009–2011). He also obtained a Diploma in Nursing from the Presbyterian Nurses Training College, Ghana (2002–2006). Dr. Bigool further enhanced his expertise through short professional trainings, including Health Systems Planning at Tokai University, Japan (2017), and a Diploma in Nursing from the University of Ghana (2008–2009). His education combines policy, management, and healthcare perspectives.

🏢 Work Experience :

Dr. Mark Bigool currently lectures at the University of Cape Coast, where he teaches courses on public policy, business strategy, and governance. Previously, he served as a Health Policy Analyst at Ghana’s Ministry of Health (2021), where he led policy reviews, coordinated national disease burden studies, and contributed to health economics planning. He also held a position as an Assistant Lecturer at KDI School of Public Policy and Management in South Korea (2019), teaching quantitative research methods. His teaching portfolio includes both postgraduate and undergraduate levels, with topics ranging from international political economy to strategic management. Dr. Bigool’s experience bridges academia and government policy, reinforcing his role as a dynamic researcher and policy influencer.

🏅Awards and Honors

While specific awards are not listed in the provided details, Dr. Mark Bigool’s academic trajectory and professional appointments reflect a strong record of merit and recognition. His acceptance into prestigious institutions such as the KDI School in South Korea and the International University of Japan demonstrates competitive academic excellence. Serving as a lecturer at top universities and his selection as a Health Policy Analyst at the Ministry of Health further underscore his competence and professional recognition. His role as coordinator for the national burden of disease study in Ghana and as Health Economics Coordinator also reflect trust and honor in high-impact national roles. These milestones position him as a high-achieving academic deserving of research-based accolades.

🔬 Research Focus :

Dr. Mark Bigool’s research centers on public policy, health systems, and governance, with a strong emphasis on evidence-based decision-making. His work intersects public management, international political economy, and health policy, offering valuable insights for both academia and national development. He is particularly focused on evaluating policy frameworks, analyzing global health initiatives, and recommending locally adaptable strategies. His research approach employs both qualitative and quantitative methods, reflected in his teaching of data analysis and policy evaluation. As coordinator for health-related studies in Ghana, he has helped shape critical national health strategies. His current work includes exploring the impact of governance structures on service delivery, bridging the gap between policy theory and practice for sustainable development.

📊 Publication Top Notes:

📘 Effects of Free Maternal Healthcare on Stunting in Children Under Five Years of Age
Year: 2024 | Cited by: Crossref 📊 | DOI: 10.1111/dpr.12771

👶🍲 Impact of Community Nutrition Project on Malnutrition in Children Under Five: A Case of SPRING Ghana Project
Year: 2024 | Cited by: Crossref 📊 | DOI: 10.4081/hls.2024.12272

💉👧 Effects of the Community-Based Health Planning and Services on Anemia and Acute Malnutrition Amongst Under-Fives in Ghana: A Comparative Study
Year: 2023 | Cited by: Crossref 📊 | DOI: 10.4081/jphia.2023.2169

🏥🤰 Effect of Healthcare Quality Initiative on Maternal Healthcare Service Utilization: A Case Study of the SPRING Ghana Project
Year: 2022 | Cited by: Crossref 📊 | DOI: 10.4081/jphia.2022.2183

Le-Xi Zhang | Materials Science | Best Researcher Award

Published on by Engineering Scientist

Assoc. Prof. Dr. Le-Xi Zhang | Materials Science
| Best Researcher Award

University teacher at Tianjin University of Technology, China

Dr. Le-Xi Zhang is an esteemed scientist specializing in gas and humidity sensing materials, heterogeneous catalysts, and oxide nanostructures. Born on March 18, 1982, in China, he is currently an Associate Professor at Tianjin University of Technology. With a Ph.D. in Material Science from the Institute of Coal Chemistry, Chinese Academy of Sciences, he has made significant contributions to nanomaterials and functional complexes, including MOFs. Dr. Zhang has successfully led multiple national and provincial research projects and has served as a reviewer for over 45 SCI journals. His work has been widely recognized in high-impact journals, and he holds memberships in esteemed scientific societies, including the Chinese Chemical Society.

🌍 Professional Profile:

Orcid

🏆 Suitability for the Best Researcher Award 

Dr. Le-Xi Zhang’s distinguished contributions to materials science, particularly in gas sensing and oxide nanostructures, make him a strong candidate for prestigious awards. His pioneering research in perovskites and MOFs has advanced sensing technology and heterogeneous catalysis, impacting industrial and environmental applications. As the principal investigator for several high-profile national and provincial research projects, his leadership in academia is commendable. Additionally, his extensive publication record, with numerous first/corresponding author papers in high-impact journals, reflects his influence in the scientific community. His role as a reviewer for 45+ SCI journals and editorial board memberships further solidify his academic excellence. These achievements highlight his suitability for recognition in Best Researcher Award.
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🎓 Education 

Dr. Le-Xi Zhang pursued his undergraduate studies at Qufu Normal University, earning a Bachelor of Science degree in Chemistry (2001-2005). His passion for materials science led him to the Institute of Coal Chemistry, Chinese Academy of Sciences, where he completed his Ph.D. in Material Science (2005-2012). During his doctoral studies, he gained expertise in nanomaterials, catalysis, and gas-sensing technologies. His research focused on advanced oxide nanostructures, functional materials, and their applications in sensing and energy storage. This strong academic foundation has enabled him to contribute significantly to scientific advancements in his field. His interdisciplinary education has played a crucial role in shaping his expertise and leadership in materials science research.

🏢 Work Experience 

Dr. Le-Xi Zhang has been a dedicated educator and researcher at Tianjin University of Technology since 2012. He started as a Lecturer (2012-2018) before being promoted to Associate Professor (2018-present). Over the years, he has supervised research projects focused on gas sensors, perovskite materials, and MOFs. His contributions extend beyond research, as he actively mentors students and collaborates with global research institutions. Additionally, he is a reviewer for over 45 SCI journals and serves on the editorial boards of Rare Metals and Tungsten. His professional affiliations, including membership in the Chinese Chemical Society, further reflect his active engagement in the scientific community. His experience underscores his expertise in materials science and academia.

🏅 Awards and Honors 

Dr. Le-Xi Zhang has received multiple honors for his outstanding contributions to materials science. He was recognized as one of the Leading Innovative Talents under the “Longcheng Talent Plan” in Changzhou, Jiangsu Province, for his work on high-strength ZnO-PSF composite nanofiltration membranes. He also secured funding through the prestigious Tianjin 131 Innovative Talent Training Project (Third Level), which supported his research on oxide hierarchical structures. His research projects have been funded by esteemed institutions, including the National Natural Science Foundation of China and the Tianjin Natural Science Council. With a strong track record of impactful research, his numerous accolades highlight his excellence in material chemistry and sensor technology innovation.

🔬 Research Focus 

Dr. Le-Xi Zhang’s research centers on gas and humidity sensing materials, heterogeneous catalysts, and oxide nanostructures, including perovskites. He also explores functional complexes such as MOFs, with applications in energy storage, catalysis, and environmental monitoring. His work emphasizes designing novel nanostructured materials with enhanced sensing performance, focusing on defect engineering and hierarchical structures. He has led multiple research projects, investigating carbon dot-doped metal oxides and ZnO@MOF photocatalysis. His innovative approaches to gas-sensing materials have led to advancements in sensor sensitivity, selectivity, and stability. By integrating nanotechnology with material science, his research continues to contribute to the development of next-generation sensing devices for industrial and healthcare applications.

📊 Publication Top Notes:

  • Guo, C.-C., Wang, C.-J., Zhang, L.-X., Qiu, Q.-D., Zhu, M.-Y., Yin, J., & Bie, L.-J. (2024). Halide-dependent humidity sensing of Cs₂SnX₆ (X = Cl, Br, I) perovskites for real-time human physiological moisture detection. Journal of Materials Chemistry C.

  • Zhu, S.-G., Cui, Y., Zhang, L.-X., Shao, H., Yin, J., & Bie, L.-J. (2024). Cation-oxygen dual-defective ACu₃Ti₄O₁₂ (A = Sr, Ba) perovskites enable high-performance humidity sensors for human-body-related moisture monitoring. Ceramics International.

  • Huo, Z.-L., Qiao, J.-Y., Zhang, L.-X., Yue, Y.-W., Qiu, Q.-D., Hou, Z.-J., Yin, J., & Bie, L.-J. (2024). High-performance flexible humidity sensors based on MCl (M = Li, Na, K) doped PVP/PVDF self-supporting films for boosted real-time noncontact moisture monitoring. ACS Applied Polymer Materials.

  • Yin, Y.-Y., Zhang, L.-X., An, X.-Y., Wang, C.-J., Zhang, Q.-Q., & Bie, L.-J. (2023). Lead-free defective halide perovskites Cs₂SnX₆ (X = Cl, Br, I) for highly robust formaldehyde sensing at room temperature. Scripta Materialia. https://doi.org/10.1016/j.scriptamat.2023.115541

  • Liu, Y.-F., Li, C.-T., Zhang, L.-X., Chong, M.-X., & Bie, L.-J. (2023). An all-inorganic lead-free halide perovskite Cs₂InCl₅(H₂O) with heterogeneous oxygen for noncontact finger humidity detection. Scripta Materialia. /j.scriptamat.2023.115338

  • Dong, H., Zhang, L.-X., Xu, H., Yin, Y.-Y., Zhao, X.-B., & Bie, L.-J. (2023). H-bonding interactions enable a 3D pillared cobalt(II) coordination polymer for touchless finger moisture detection. Tungsten.