Associate Professor , Imam Mohammad Ibn Saud Islamic University , best researcher award
Mokhtar Hjiri is an associate professor at Imam Mohammed Ibn Saud Islamic University, Riyadh, specializing in nanomaterials synthesis for gas sensors and wastewater treatment. 🎓 He earned his PhD in 2016 from the University of Monastir in collaboration with the University of Messina. 🇹🇳🇮🇹 With teaching and research experience in Tunisia, Saudi Arabia, and Italy, he is skilled in spin coating, hydrothermal synthesis, and gas sensing techniques. 🔬 His work advances environmental safety and sensor technology. 🌿⚙️ He speaks Arabic, English, French, and Italian, bridging international research communities. 🌍
Professional Profile
GOOGLE SCHOLAR
Education and Experience
Mokhtar Hjiri completed his Master’s degree in Materials and Nanomaterials at University of Monastir in 2010 🎓 and earned his PhD in 2016 jointly with University of Monastir and University of Messina. 🇹🇳🇮🇹 He worked as assistant professor at King Abdulaziz University (2016-2020) and advanced to associate professor there until 2022. Currently, he holds an associate professor role at Imam Mohammed Ibn Saud Islamic University. 🏫 His expertise spans from lecturing physics to supervising nanomaterial synthesis projects, contributing to international research collaborations. 🌐
Professional Development
Mokhtar continuously develops expertise in nanomaterials and gas sensor technologies. 🔬 He has trained extensively in Italy, learning advanced hydrothermal and green chemistry methods. 🇮🇹 His research proficiency includes spin coating, X-ray diffraction, and gas sensing systems. 🧪 He mentors Master’s students in innovative projects on spinel ferrite and doped ZnO nanoparticles. 🎓 Proficient in Matlab, LaTeX, and Microsoft Office, he balances research with teaching general physics and semiconductors. 💻 Multilingual skills (Arabic, English, French, Italian) enable global collaboration. 🌍
Research Focus
Mokhtar’s research centers on the synthesis of metal oxide nanomaterials for gas sensor applications and wastewater treatment. 🧫 He specializes in hydrothermal synthesis, green chemistry, and spin coating techniques to create functional thin films and nanopowders. 🌱 His work targets environmental monitoring and pollution control via advanced chemoresistive sensors and heavy metal adsorption. ⚗️ Combining materials science with applied physics, his research contributes to safer industrial processes and sustainable technologies. 🌿🔧
Awards and Honors
Mokhtar Hjiri has earned recognition for his pioneering research in nanomaterials and sensor technology. 🏅 His papers published in top journals and presentations at IEEE workshops highlight his contributions. 📚 His commitment to innovative methods for environmental safety has gained academic respect and collaborative opportunities. 🌐 He is known for successfully supervising graduate theses and promoting cross-disciplinary knowledge exchange. 🎓 His growing impact in materials science and engineering reflects his leadership and dedication to advancing nanotechnology applications. 🔝✨
Publication Top Notes
1. Al-doped ZnO for highly sensitive CO gas sensors
Authors: M. Hjiri, L. El Mir, S.G. Leonardi, A. Pistone, L. Mavilia, G. Neri
Journal: Sensors and Actuators B: Chemical, Volume 196, Pages 413-420, 2014
Citations: 441
Summary:
This study reports on the development of aluminum-doped zinc oxide (Al-ZnO) nanomaterials tailored for detecting carbon monoxide (CO) gas with high sensitivity. Using advanced synthesis methods, the authors optimized the doping concentration to enhance sensor performance, improving response time and selectivity. The Al doping effectively modulates the electrical properties of ZnO, leading to superior detection capabilities suitable for environmental monitoring and industrial safety applications.
2. Harnessing bacterial endophytes for promotion of plant growth and biotechnological applications: an overview
Authors: A.M. Eid, A. Fouda, M.A. Abdel-Rahman, S.S. Salem, A. Elsaied, R. Oelmüller, et al.
Journal: Plants, Volume 10, Issue 5, Article 935, 2021
Citations: 198
Summary:
This comprehensive review highlights the role of bacterial endophytes—microorganisms living within plants—in enhancing plant growth and their diverse biotechnological applications. While not authored solely by Hjiri, this work involves him as a co-author contributing expertise on the microbial interactions and applications in agriculture and environmental science. The article emphasizes sustainable agricultural practices and future potential for biofertilizers and biocontrol agents.
3. Enhanced performance of novel calcium/aluminum co-doped zinc oxide for CO2 sensors
Authors: R. Dhahri, S.G. Leonardi, M. Hjiri, L. El Mir, A. Bonavita, N. Donato, et al.
Journal: Sensors and Actuators B: Chemical, Volume 239, Pages 36-44, 2017
Citations: 120
Summary:
This research presents the synthesis and testing of zinc oxide sensors co-doped with calcium and aluminum for improved detection of carbon dioxide (CO2). The co-doping strategy enhances sensitivity and selectivity by modifying the surface properties and electrical conductivity of ZnO nanostructures. The sensors demonstrate fast response and recovery times, making them promising for environmental monitoring and industrial gas detection systems.
4. CO and NO2 Selective Monitoring by ZnO-Based Sensors
Authors: M. Hjiri, L. El Mir, S.G. Leonardi, N. Donato, G. Neri
Journal: Nanomaterials, Volume 3, Issue 3, Pages 357-369, 2013
Citations: 116
Summary:
This paper investigates zinc oxide-based sensors engineered for selective detection of carbon monoxide (CO) and nitrogen dioxide (NO2). By tailoring the material properties and sensor architecture, the authors achieve selective sensing capabilities critical for air quality control. The study also examines sensor response under varying environmental conditions, confirming the robustness and potential of ZnO nanomaterials for real-world applications.
5. Effect of indium doping on ZnO based-gas sensor for CO
Authors: M. Hjiri, R. Dhahri, K. Omri, L. El Mir, S.G. Leonardi, N. Donato, G. Neri
Journal: Materials Science in Semiconductor Processing, Volume 27, Pages 319-325, 2014
Citations: 110
Summary:
This article explores how indium doping influences the gas sensing performance of zinc oxide sensors targeting carbon monoxide. Indium incorporation enhances ZnO’s electrical conductivity and surface reactivity, leading to improved sensor sensitivity and selectivity. The research includes detailed characterization of material morphology and electronic properties, contributing to optimized gas sensor design.
Conclusion
Mokhtar Hjiri’s focused contributions on enhancing gas sensor technology using innovative nanomaterials and doping methods position him as a leading researcher in the field of materials science and sensor engineering. His impactful research directly supports environmental safety and sustainability, key priorities in modern science and technology. Given his high citation record, continuous scientific output, and mentorship roles, he is an excellent candidate for a Best Researcher Award, recognizing both his scientific excellence and societal relevance.