Qijing Wang | Materials Science | Best Researcher Award

Assist. Prof. Dr. Qijing Wang | Materials Science | Best Researcher Award

Assistant Professor from Nanjing University, China

Dr. Qijing Wang is a dedicated and rapidly emerging scholar in the field of organic electronics. Currently serving as an Assistant Professor at the School of Integrated Circuits, Nanjing University, he has quickly built a reputation for impactful research in charge transport and device physics, particularly in organic field-effect transistors (OFETs). His academic journey has been marked by continuous excellence, with all degrees obtained from the prestigious Nanjing University. Dr. Wang’s scholarly work reflects a deep understanding of electronic science and its applications in advanced materials and device engineering. He has authored several high-impact publications in internationally recognized journals such as Advanced Functional Materials, Small Methods, and ACS Applied Materials & Interfaces. Additionally, his commitment to international collaboration was evident through his postdoctoral research at the University of Cambridge, where he worked under Prof. Henning Sirringhaus. Dr. Wang’s achievements have been recognized through competitive fellowships and national awards, making him a strong candidate for research excellence honors. His career reflects a balanced blend of theoretical knowledge, experimental proficiency, and innovation. As a young academic, Dr. Wang exemplifies the qualities of a future leader in his field, contributing meaningfully to both the academic community and technological advancement in integrated circuits.

Professional Profile

Education

Dr. Qijing Wang received his formal education entirely at Nanjing University, one of China’s premier institutions for science and engineering. He earned his Bachelor of Science degree in Physics in 2012, laying a robust foundational understanding of physical principles that later supported his advanced research in electronics. Building upon his undergraduate education, he pursued a doctoral degree in Electronic Science and Technology at the same university, completing his Ph.D. in 2018. His doctoral studies focused on charge transport mechanisms and the performance enhancement of organic field-effect transistors (OFETs), a research area that positioned him to contribute to cutting-edge developments in organic electronics. Throughout his education, Dr. Wang demonstrated not only academic excellence but also an ability to integrate theoretical physics with practical device engineering. His time as a student at Nanjing University allowed him access to state-of-the-art laboratories, advanced instrumentation, and renowned faculty mentors. These resources equipped him with the skills necessary for conducting high-quality research and developing independent scientific thought. His educational background provides a strong interdisciplinary framework, combining elements of physics, materials science, and electronics, which continues to underpin his professional and academic accomplishments today.

Professional Experience

Dr. Qijing Wang currently serves as an Assistant Professor at the School of Integrated Circuits, Nanjing University. His academic appointment follows a successful tenure as a postdoctoral researcher, during which he significantly contributed to projects on the charge transport and structural optimization of organic semiconductors. As a postdoctoral fellow at Nanjing University, he was selected for the Postdoctoral Innovative Talent Support Program Grant—a highly competitive national program recognizing early-career researchers with exceptional promise. This achievement underscores his ability to undertake independent, innovative research in electronic materials. Further expanding his academic horizon, Dr. Wang spent a period as a visiting postdoctoral researcher at the University of Cambridge, collaborating with Prof. Henning Sirringhaus, a global authority in organic electronics. This international experience enhanced his expertise and enabled cross-border academic engagement. In his current role, Dr. Wang is involved in both teaching and research, mentoring undergraduate and graduate students while leading projects that address challenges in next-generation transistor design. His professional experience reflects a clear progression from student to postdoctoral scholar to independent academic, marked by increasing responsibility, international collaboration, and recognized contributions to the scientific community.

Research Interests

Dr. Qijing Wang’s research interests lie primarily in the field of organic electronics, with a specific focus on charge transport and device physics in organic field-effect transistors (OFETs). He is deeply engaged in exploring the fundamental physical mechanisms that govern the performance of organic semiconductors, aiming to enhance their electronic properties for real-world applications. His work bridges the gap between materials science and circuit-level engineering, addressing both theoretical and experimental challenges. Dr. Wang is particularly interested in the molecular engineering of organic materials to improve charge mobility, stability, and environmental compatibility of OFETs. Additionally, his research encompasses the interface physics between organic materials and metal contacts, dielectric engineering, and nanoscale fabrication techniques. With a growing interest in flexible and wearable electronics, Dr. Wang’s work is increasingly interdisciplinary, contributing to the development of next-generation electronics with applications in healthcare, consumer electronics, and energy devices. His research trajectory demonstrates a commitment to pushing the boundaries of what is possible in organic semiconductors, offering valuable insights into material-device correlations and design strategies. This integrated approach has enabled him to publish in top-tier journals and positions him as a key contributor to the evolution of high-performance, low-cost electronic devices.

Research Skills

Dr. Qijing Wang possesses a comprehensive set of research skills that enable him to excel in the field of organic electronics. His expertise spans both experimental and theoretical domains, particularly in charge transport phenomena, thin-film transistor fabrication, and organic material characterization. He is skilled in using advanced characterization techniques such as atomic force microscopy (AFM), scanning electron microscopy (SEM), and X-ray diffraction (XRD) to analyze material morphology and structure. In terms of electrical performance, he is proficient in using probe stations and semiconductor parameter analyzers for the precise evaluation of transistor characteristics. Dr. Wang also demonstrates strong competencies in molecular design and solution processing techniques, including spin-coating and inkjet printing, which are essential for developing high-performance OFETs. During his postdoctoral research, he honed his ability to conduct independent experiments, manage collaborative projects, and analyze complex data sets. His international research experience at the University of Cambridge also strengthened his adaptability, scientific communication, and teamwork abilities. Furthermore, he is well-versed in using software tools for data modeling, statistical analysis, and device simulation. These technical proficiencies, combined with his innovative mindset, make him a versatile researcher capable of addressing diverse challenges in materials science and device engineering.

Awards and Honors

Dr. Qijing Wang has received notable recognition for his academic and research excellence early in his career. Among his most prestigious honors is the Postdoctoral Innovative Talent Support Program Grant, awarded during his tenure as a postdoctoral fellow at Nanjing University. This national-level fellowship is one of the most competitive and selective programs in China, aimed at identifying and supporting highly promising early-career researchers. Receiving this grant not only highlights Dr. Wang’s research potential but also affirms his capacity to drive independent and impactful scientific inquiries. His selection for a Visiting Postdoctoral Researcher position at the University of Cambridge further underscores his standing in the academic community. This opportunity allowed him to collaborate with leading researchers in organic electronics and broaden his research capabilities in an international environment. In addition to these distinctions, Dr. Wang’s work has been featured in high-impact journals, signaling peer recognition and scholarly merit. These awards and honors are not only commendations of past achievements but also indicators of his future contributions to science and technology. They reflect his ongoing dedication to innovation, academic excellence, and leadership in the field of organic electronic devices.

Conclusion

In summary, Dr. Qijing Wang stands out as an accomplished and innovative researcher in the domain of organic electronics. His academic foundation, built at Nanjing University, has been enriched through nationally and internationally recognized research experiences. With a focus on organic field-effect transistors, he has made significant strides in understanding and optimizing charge transport mechanisms, contributing valuable knowledge to both academia and industry. His achievements, including high-impact publications and prestigious fellowships, highlight his commitment to scientific rigor and originality. Dr. Wang combines deep technical expertise with a collaborative and forward-thinking approach, evidenced by his research visit to the University of Cambridge and active engagement in interdisciplinary projects. While still early in his academic career, he has shown the qualities of a future leader—innovative thinking, strong communication skills, and a clear vision for advancing technology. Continued emphasis on research leadership roles, mentorship, and broader application of his findings will further enhance his impact. Overall, Dr. Wang is a highly deserving candidate for the Best Researcher Award, with demonstrated excellence and the potential for continued breakthroughs in electronic materials and device research.

Publications Top Notes

  • Additive-assisted “metal-wire-gap” process for N-type two-dimensional organic crystalline films
    Authors: Yang, C.; Qian, J.; Wang, Q.; Jiang, S.; Duan, Y.; Wang, H.; Dai, H.; Li, Y.
    Year: 2019

  • PJ-Level Energy-Consuming, Low-Voltage Ferroelectric Organic Field-Effect Transistor Memories
    Authors: Pei, M.; Qian, J.; Jiang, S.; Guo, J.; Yang, C.; Pan, D.; Wang, Q.; Wang, X.; Shi, Y.; Li, Y.
    Year: 2019

  • Two-dimensional organic materials and their electronic applications
    Authors: Wang, H.; Wang, Q.; Li, Y.
    Year: 2019

  • Interfacial Flat-Lying Molecular Monolayers for Performance Enhancement in Organic Field-Effect Transistors
    Authors: Wang, Q.; Jiang, S.; Qiu, L.; Qian, J.; Ono, L.K.; Leyden, M.R.; Wang, X.; Shi, Y.; Zheng, Y.; Qi, Y. et al.
    Year: 2018

  • Millimeter-Sized Two-Dimensional Molecular Crystalline Semiconductors with Precisely Defined Molecular Layers via Interfacial-Interaction-Modulated Self-Assembly
    Authors: Jiang, S.; Qian, J.; Duan, Y.; Wang, H.; Guo, J.; Guo, Y.; Liu, X.; Wang, Q.; Shi, Y.; Li, Y.
    Year: 2018

  • Spin-Coated Crystalline Molecular Monolayers for Performance Enhancement in Organic Field-Effect Transistors
    Authors: Wang, Q.; Juarez-Perez, E.J.; Jiang, S.; Qiu, L.; Ono, L.K.; Sasaki, T.; Wang, X.; Shi, Y.; Zheng, Y.; Qi, Y. et al.
    Year: 2018

  • Temperature dependence of piezo- and ferroelectricity in ultrathin P(VDF-TrFE) films
    Authors: Qian, J.; Jiang, S.; Wang, Q.; Yang, C.; Duan, Y.; Wang, H.; Guo, J.; Shi, Y.; Li, Y.
    Year: 2018

  • Unveiling the piezoelectric nature of polar α-phase P(VDF-TrFE) at quasi-two-dimensional limit
    Authors: Qian, J.; Jiang, S.; Wang, Q.; Zheng, S.; Guo, S.; Yi, C.; Wang, J.; Wang, X.; Tsukagoshi, K.; Shi, Y. et al.
    Year: 2018

  • Directly writing 2D organic semiconducting crystals for high-performance field-effect transistors
    Authors: Zhang, Y.; Guo, Y.; Song, L.; Qian, J.; Jiang, S.; Wang, Q.; Wang, X.; Shi, Y.; Wang, X.; Li, Y.
    Year: 2017

  • Low-voltage, High-performance Organic Field-Effect Transistors Based on 2D Crystalline Molecular Semiconductors
    Authors: Wang, Q.; Jiang, S.; Qian, J.; Song, L.; Zhang, L.; Zhang, Y.; Zhang, Y.; Wang, Y.; Wang, X.; Shi, Y. et al.
    Year: 2017

Hadi Hijazi | Materials Science | Best Researcher Award

Dr. Hadi Hijazi | Materials Science | Best Researcher Award

R&D engineer from CEA LETI, France

Dr. Hadi Hijazi is a postdoctoral researcher specializing in microelectronics and semiconductor nanostructures, with extensive experience in epitaxial growth and device fabrication. Based in Grenoble, France, he has developed a strong academic and research background through work at top-tier institutions such as CEA-LETI, CNRS/LTM, and Saint Petersburg State University. His research encompasses the design, modeling, and experimental development of III-V materials and nanostructures for high-performance optoelectronic devices, including visible and near-infrared LEDs. His doctoral studies focused on the epitaxial growth of GaAs nanowires via HVPE and the investigation of spin and charge transport. Dr. Hijazi possesses deep technical expertise in MOCVD, HVPE, and cleanroom operations, supported by his proficiency in a wide range of characterization tools such as XRD, SEM, AFM, PL, and Raman spectroscopy. In addition to his laboratory capabilities, he is skilled in modeling and simulation using tools like Matlab, Nextnano, and Mathematica. Multilingual and collaborative, Dr. Hijazi has a history of successful international projects, combining both theoretical insight and experimental innovation. His contributions to the field are reflected in quality publications in peer-reviewed journals, and he maintains active connections with research leaders and institutions in France and abroad. He is currently an R&D engineer at CEA LETI, contributing to hybrid bonding technologies.

Professional Profile

Education

Dr. Hadi Hijazi holds a Ph.D. in Physics of Materials from Institut Pascal at Université Clermont Auvergne, France, where he worked on the development of GaAs nanowires grown on Si substrates using hydride vapor phase epitaxy (HVPE). His research addressed charge and spin diffusion in nanowires, integrating fundamental physics with advanced material synthesis techniques. Prior to his doctoral studies, Dr. Hijazi completed a Master’s degree (M2) in Nanoelectronics and Nanotechnology from Université Grenoble Alpes, where he received training in nanoscale materials, semiconductor physics, and cleanroom-based device fabrication. He also holds a Master 1 in Fundamental Physics and Nanoscience from Université Joseph Fourier in Grenoble, which laid the foundation for his later specialization in materials and device engineering. His academic training has been interdisciplinary, with strong emphasis on physics, nanotechnology, materials science, and applied electronics. His formal education has equipped him with theoretical depth and practical skill sets, enabling his contributions to multidisciplinary research involving physical modeling, simulation, and experimental validation of micro- and nanoscale structures. These qualifications have prepared him well for complex problem-solving in research-intensive environments, particularly within the highly competitive field of semiconductor materials and microelectronics.

Professional Experience

Dr. Hadi Hijazi has accumulated a robust portfolio of research and development experience across premier academic and industrial research institutions. Since July 2023, he has been serving as an R&D Engineer at CEA LETI in Grenoble, where he works on hybrid bonding technologies, a critical area for 3D integration in microelectronics. From October 2021 to June 2023, he served as a postdoctoral researcher jointly at CEA-LETI and CNRS/LTM, contributing to the IRT Nanoelec project. During this tenure, he focused on the design and simulation of novel heterostructures using III-(As,P) materials for high-performance visible and NIR LEDs. His work included epitaxial process development (MOCVD) on 300 mm substrates and comprehensive characterization of material and device properties. Prior to this, he was a postdoctoral researcher at ITMO University and Saint Petersburg State University in Russia, focusing on growth modeling of III-V and IV-IV micro/nanostructures. Dr. Hijazi also undertook an industrial internship at CEA LETI in 2016, studying the bonding of refractory metal thin films for 3D technologies. Throughout his career, he has demonstrated the ability to integrate theory, simulation, and fabrication in practical research, aligning well with multidisciplinary goals in microelectronics and optoelectronics innovation.

Research Interests

Dr. Hadi Hijazi’s research interests center around advanced semiconductor materials and their integration into high-performance optoelectronic and microelectronic devices. He is particularly focused on the design, epitaxial growth, and characterization of III-V compound semiconductors on silicon substrates, with the goal of enabling new generations of energy-efficient light sources and integrated photonics. His doctoral work involved HVPE growth of GaAs nanowires on Si(111) substrates, aiming to understand charge and spin transport mechanisms at the nanoscale. His postdoctoral research extended to MOCVD-based fabrication of InGaAs and InP heterostructures for LED applications and included structural and electro-optical characterization. He is also interested in hybrid bonding technologies and 3D integration techniques critical to the future of chip stacking and packaging. Dr. Hijazi combines experimental efforts with simulation and modeling, employing tools like Matlab and Nextnano to optimize nanostructure design and predict growth behavior. He is deeply engaged in the physical understanding of epitaxy, surface/interface interactions, and defect formation. These interests place him at the intersection of materials physics, nanotechnology, and applied engineering, with relevance to optoelectronics, spintronics, and next-generation semiconductor device platforms.

Research Skills

Dr. Hadi Hijazi possesses a comprehensive set of research skills that span theoretical modeling, experimental techniques, and process development in nanotechnology and materials science. His expertise in vapor phase epitaxy, including both MOCVD and HVPE methods, allows him to develop high-quality III-V semiconductor nanostructures on various substrates. He has extensive cleanroom experience and is adept in device fabrication processes, material growth protocols, and post-growth characterization. He is proficient in a range of analytical tools such as XRD, AFM, SEM, Raman spectroscopy, photoluminescence (PL), and electrochemical and C-V measurements. Dr. Hijazi is also skilled in simulation and modeling, using software like Matlab, Mathematica, Nextnano, Python, and C++ to analyze material behaviors and guide experimental design. His strong command of semiconductor physics and nanostructure dynamics supports both fundamental research and practical application development. He is an effective communicator in French, English, and Arabic, and his collaborative approach to research is evident in his successful engagements with multidisciplinary teams across France and Russia. Additionally, his organizational and documentation skills are well-developed, contributing to his ability to manage complex research tasks and publish high-quality scientific articles.

Awards and Honors

While specific named awards are not listed in the available information, Dr. Hadi Hijazi’s inclusion in competitive research programs and positions at prestigious institutions such as CEA-LETI, CNRS, and ITMO University itself serves as recognition of his capabilities and achievements. His acceptance into highly selective doctoral and postdoctoral programs in France and Russia, coupled with his contributions to projects such as IRT Nanoelec, suggests a high degree of merit and recognition by the scientific community. His publications in internationally recognized journals such as Nanotechnology and Journal of Physical Chemistry C also indicate the quality and impact of his research. Furthermore, his involvement in international collaborations and multidisciplinary research teams demonstrates the professional trust placed in his expertise and reliability. His continuing employment at CEA LETI in a research and development role is itself a form of institutional endorsement, affirming his value in the innovation ecosystem of advanced microelectronics. With further dissemination of his work and engagement in academic presentations or grant-funded leadership, it is likely he will accrue formal honors and awards in the near future.

Conclusion

Dr. Hadi Hijazi is an accomplished early-career researcher with strong potential for further growth in the field of semiconductor nanotechnology and microelectronics. His academic training and international research experience have equipped him with both depth and versatility, enabling contributions to next-generation devices through innovations in epitaxial growth, material design, and device integration. His ability to bridge theoretical modeling with experimental realization is a key asset, particularly in collaborative research environments. While his current achievements position him as a valuable team member and emerging expert, more visible research leadership, independent project development, and broader dissemination of research outputs could further strengthen his candidacy for major research awards. At present, Dr. Hijazi would be an ideal candidate for recognitions aimed at emerging scientists or rising researchers, and with continued productivity and impact, he is well-poised to become a leading figure in semiconductor device research. His technical expertise, commitment to quality, and collaborative ethos make him a noteworthy contributor to academic and industrial R&D. As he continues his career at CEA LETI and beyond, further contributions in both applied technologies and fundamental science can be expected.

Publications Top Notes

  1. Fine Pitch Superconducting Interconnects Obtained with Nb–Nb Direct Bonding
  • Authors: Candice M. Thomas, Pablo Renaud, Meriem Guergour, Edouard Deschaseaux, Christophe Dubarry, Jennifer Guillaume, Elisa Vermande, Alain Campo, Frank Fournel, Hadi Hijazi, Anne-Marie Papon, Catherine Pellissier, Jean Charbonnier

  • Publication Year: 2025

2. Is NaOH Beneficial to Low Temperature Hybrid Bonding Integration?

  • Authors: Hadi Hijazi¹, Paul Noël¹, Samuel Tardif², Karine Abadie¹, Christophe Morales¹, Frank Fournel¹

  • Publication Date: October 30, 2024