Feijiu Wang | Optical Physics | Research Excellence Award

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Prof. Dr. Feijiu Wang | Optical Physics | Research Excellence Award

School of Future Technology | China

Professor Feijiu Wang is an internationally recognized researcher in the fields of photovoltaic materials, perovskite optoelectronics, nanocarbons, and low-dimensional semiconductor devices. He is currently a Professor at the Henan Key Laboratory of Photovoltaic Materials, Henan University, a position he has held since May 2019, and was promoted to full Professor in May 2023. His research integrates materials science, energy science, and nano-optoelectronics with a strong emphasis on device performance, stability, and interfacial engineering. Prof. Wang received his Ph.D. in Energy Science from Kyoto University, Japan, where he developed a strong foundation in photovoltaic physics and nanomaterials. Prior to this, he earned his M.E. from Shanghai Normal University and B.E. from Huaiyin Normal University. Following his doctorate, he conducted postdoctoral research at Nagoya University under the prestigious JST ERATO Itami Molecular Nanocarbon Project, where he deepened his expertise in nanocarbon materials and their integration into advanced electronic and energy devices. His research focuses primarily on perovskite solar cells and light-emitting diodes (LEDs), carbon nanotube– and graphene-based photovoltaics, two-dimensional semiconductors, and interface and defect engineering. He has made seminal contributions to improving the efficiency and long-term stability of perovskite solar cells through innovative interfacial layers, all-carbon charge transport layers, and polymer-assisted engineering strategies. In parallel, his recent work on perovskite LEDs and light-emitting field-effect transistors has achieved state-of-the-art external quantum efficiencies, addressing key challenges such as phase purity, defect passivation, and charge balance.

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Featured Publications

Heng Zhang – Optical Metrology – Best Researcher Award 

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Dr. Heng Zhang began his academic journey with a Master’s degree in Measurement & Testing Technology from Xi’an University of Technology in 2021. Driven by a deep interest in precision engineering and light measurement, he continued at the same institution to pursue a Ph.D. in Instrument Science (2022–present). From his early academic years, Dr. Zhang demonstrated a strong focus on Optical Metrology, particularly in measurement theory and its practical applications, laying the groundwork for his later innovations in glare measurement and light pollution control.

💼 Professional Endeavors

Dr. Zhang is a First-Class Registered Metrologist and a full-time researcher specializing in dynamic glare evaluation at the Key Laboratory of Metrological Optics & Applications under the State Administration for Market Regulation (SAMR). Since joining the Shaanxi Institute of Metrology in 2021, he has played a key role in the lab’s preparation, contributing to its official operational launch in 2024. He leads research in Optical Metrology, focusing on standardizing measurement practices in dynamic lighting environments and supporting national and international measurement traceability systems.

🔬 Contributions and Research Focus

Dr. Zhang’s research centers on the development of dynamic glare evaluation and calibration systems. He extends the CIE static glare model to multi-scene environments such as tunnels, bridges, and highways to better reflect real-time visual physiological responses. His systems enable real-time online monitoring and standardization of dynamic optical parameters in transient environments. These innovations mark significant contributions to the advancement of Optical Metrology, bridging theoretical insights with practical applications in transport safety and light pollution regulation.

🌍 Impact and Influence

Dr. Heng Zhang has significantly influenced the field of Optical Metrology, particularly in the domain of dynamic glare evaluation. His research has led to the publication of 14 journal articles indexed in SCI and Scopus and the development or filing of 14 patents. He has earned prestigious accolades, including the Third Prize from the China Metrology Association Sci-Tech Progress Award (2024), the Third Prize from the Chinese Society for Optical Engineering, and the First Prize in the Shaanxi Lighting Tech Innovation Evaluation. His work continues to impact national metrology strategies and international standards in glare and optical measurements.

🏆Academic Cites

With 56 citations across peer-reviewed journals, Dr. Zhang’s work demonstrates growing recognition in the academic community. His interdisciplinary contributions to Optical Metrology from physiological perception modeling to real-time glare calibration—are increasingly cited by researchers working on lighting, transport safety, and environmental optics. These citations reflect his role as an emerging authority in the development of high-impact optical measurement systems.

🌟 Legacy and Future Contributions

As a pioneering researcher in dynamic glare and applied optics, Dr. Heng Zhang’s legacy is being cemented through his efforts to unify optical measurement standards and develop advanced metrological systems. His collaborations with Xi’an University of Technology and leadership in establishing a national-level lab reflect his long-term vision. Looking ahead, Dr. Zhang aims to enhance dynamic glare theory, support international calibration protocols, and expand the reach of Optical Metrology in public safety, infrastructure, and environmental monitoring.

📘Optical Metrology

Dr. Heng Zhang’s innovative contributions to Optical Metrology have advanced dynamic glare evaluation technologies and calibration systems. Through pioneering projects and academic leadership, he continues to influence standardization in Optical Metrology across transient and complex lighting environments. The future of Optical Metrology is poised to benefit greatly from Dr. Zhang’s ongoing research and metrological excellence.

✍️ Notable Publication

1️⃣ High-power 2π-LED Standard Lamp Calibrated Based on Total Luminous Flux

Journal: Guangzi Xuebao / Acta Photonica Sinica

Year: 2025

Citations: 0