Yeeu-Chang Lee | Experimental methods | Best Researcher Award

Prof. Yeeu-Chang Lee | Experimental methods | Best Researcher Award

Chung Yuan Christian University | Taiwan

Professor Yeeu-Chang Lee is a leading researcher in ultrafast laser–material interactions, micro/nano fabrication, and computational optics. Specializing in the integration of high-energy laser processing with optical simulations, Professor Lee’s work aims to innovate advanced photonic structures. His research contributes significantly to the development of energy-efficient and scalable photonics solutions, with a focus on improving systems like LEDs and optical diffusers through precise and novel microstructure designs.

👨‍🎓Profile

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Early Academic Pursuits 🎓

Professor Lee’s academic journey began with a passion for applied physics and optics, leading him to obtain his advanced degrees in the field of laser physics and material science. Early in his career, he was captivated by the intersection of laser technology and material manipulation, sparking his focus on ultrafast lasers and their applications in micro/nano fabrication. His early work laid the foundation for his current expertise in picosecond and femtosecond laser technologies.

Professional Endeavors 🏆

Professor Lee’s professional career has been marked by his leadership in cutting-edge projects involving high-energy laser processing. Throughout his career, he has held key positions in various academic and research institutions, advancing the development of laser-based fabrication techniques. His roles in research teams have centered around developing new ways to optimize light extraction and diffusion efficiency in photonic devices, with significant collaborations in both industry and academia.

Contributions and Research Focus 🔬

Professor Lee’s research focuses on bridging applied high-energy physics with computational science to solve pressing challenges in photonics and optical engineering. He has pioneered work in the fabrication of micro-lens arrays and subwavelength textures aimed at improving light extraction in devices like LEDs and optical diffusers. His innovative use of tools such as LightTools and Bezier-based modeling allows for precise simulations and optimization of microstructure design, leading to more efficient optical systems.

Impact and Influence 🌍

Professor Lee’s work has significantly influenced the field of photonics, especially in areas related to energy-efficient lighting and optical systems design. His pioneering contributions in laser processing and optical simulations have impacted industries focused on LEDs, displays, and renewable energy technologies. By developing new approaches to light field distribution and optical modeling, he has set new standards for high-precision fabrication in photonics.

Academic Cites 📚

With numerous publications in leading scientific journals, Professor Lee’s work has been widely cited in the fields of laser physics, materials science, and optical engineering. His contributions to picosecond and femtosecond laser applications have garnered attention globally, with his work often referenced in studies exploring advanced photonic structures and light manipulation technologies.

Research Skills 🧑‍🔬

Professor Lee’s expertise includes advanced techniques in ultrafast laser processing, micro/nano fabrication, and computational optics. He is proficient in optical simulation software such as LightTools and Bezier-based modeling, employing these tools for high-precision light field simulations and the optimization of microstructure designs. His work requires a deep understanding of laser-material interactions, material properties, and optical design principles to create innovative photonic solutions.

Teaching Experience 🎓

As a professor, Professor Lee has a strong track record of educating the next generation of optical engineers and laser scientists. He has taught courses on ultrafast lasers, photonics, and optical design, emphasizing practical, hands-on learning. His students benefit from his industry expertise and advanced knowledge of laser-material interactions, which helps them bridge the gap between theory and application.

🎓🤝Industry-Academia Collaboration

Prof. Yeeu-Chang Lee has a strong foundation in academic research and a forward-looking vision for real-world applications. He has actively contributed to scholarly innovation and industry-academia collaboration. Through leading and participating in multiple pilot programs, he has helped bridge academic research with industrial transformation particularly in cultivating professional talent and facilitating the upgrade of manufacturing capabilities in industrial parks.
His work has been recognized through national awards for invention and excellence in industry-academia collaboration, reflecting a sustained commitment to integrating research innovation with societal and industrial impact.
Selected Industry-Academia Collaboration Projects:
  • Development of reverse nanoimprint lithography for fabricating nanopatterned sapphire substrates
  • Enhancing the efficiency of light-emitting diodes through soft precision imprinting technology
  • Development of a fabrication process for nanostructured sapphire substrates
  • Investigation of nanopatterning on 2-inch full sapphire wafers
  • Process development of laser-based resistor trimming for embedded printed circuit boards
  • Preparation and characterization of microstructured optical thin films
Value-Added Collaboration and Outreach Projects:
  • National Science and Technology Council (NSTC) Project for Research Outcome Exploration and Value-Added Application
  • Revitalization and Upgrade Program for Industrial Park Manufacturers
  • Pilot Project for Training Professionals in Industrial Equipment and System Design

Legacy and Future Contributions 🌱

Looking ahead, Professor Lee is committed to continuing his work in advanced photonics and optical engineering. His vision for the future includes the development of next-generation energy-efficient optical systems that can have a transformative impact on industries such as renewable energy, consumer electronics, and communications. As he continues to push the boundaries of laser fabrication and optical simulations, his legacy will undoubtedly influence the next era of photonics technologies.

Publications Top Notes

Fabrication and simulation of optical shaping diffuser to control light patterns

  • Authors: P., Chiu, Powei; T.L., Chang, Tien Li; W., Chen, Weichun; Y., Lee, Yeouchang
    Journal: Micro and Nanostructures
    Year: 2025

Fabricating ordered array of polystyrene spheres on concave structure via 3D micro-printing

  • Authors: L.E., Kang, Li En; Y., Lee, Yeouchang
    Journal: Journal of Nanoparticle Research
    Year: 2024

The Synthesis and Assembly Mechanism of Micro/Nano-Sized Polystyrene Spheres and Their Application in Subwavelength Structures

  • Authors: Y., Lee, Yeouchang; H., Wu, Hsukang; Y.Z., Peng, Yu Zhong; W., Chen, Weichun
    Journal: Micromachines
    Year: 2024

 

Sheng Hsiung Chang | Experimental methods | Best Researcher Award

Prof. Sheng Hsiung Chang | Experimental methods | Best Researcher Award

Professor at National Taiwan Ocean University | Taiwan

Dr. Sheng Hsiung Chang is a Professor at the National Taiwan Ocean University. His extensive career in academia and research is marked by significant roles in leading institutions such as Chung Yuan Christian University (CYCU) and National Central University. Dr. Chang’s work has spanned across several pivotal research areas, particularly in semiconductor physics, optical physics, and perovskite optoelectronic devices. His achievements not only demonstrate his technical expertise but also highlight his commitment to academic leadership, mentorship, and advancing scientific knowledge.

👨‍🎓Profile

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ORCID

Early Academic Pursuits 🎓

Dr. Chang’s academic journey began with his postdoctoral research roles, first at Academia Sinica (2008-2010) and later at National Central University (2010-2012), where he gained foundational experience in semiconductor and optical physics. During these early years, he developed a strong interest in light-material interactions and functional thin films, fields that would shape his future research directions. His foundational work in nanotechnology and optoelectronics established the groundwork for his later academic and research career.

Professional Endeavors 🌍

Dr. Chang has held pivotal roles in academia, including Associate Professor and Professor at CYCU, where he also served as the Director of the Career Service Center (2020-2021). These positions reflect his commitment to fostering both the research and professional development of students. Additionally, he has contributed to the scientific community as an Editorial Board Member for journals such as Nanotechnology and Physics Bimonthly.

He has also demonstrated leadership in academic societies, serving as Vice Chairman (2021-2024) and Secretary General (2019-2020) of the Taiwan Vacuum Society. This involvement shows his dedication not only to research but also to promoting collaboration and innovation within the scientific community.

Contributions and Research Focus 🔬

Dr. Chang’s research is centered around perovskite optoelectronic devices, light-material interactions, plasmonic devices, nonlinear optics, and functional thin films. He is currently the Principal Investigator for various research projects funded by the National Science and Technology Council (NSTC) and the Ministry of Science and Technology (MOST). His groundbreaking work on perovskite thin films and their applications in photovoltaic cells is pushing the boundaries of renewable energy technologies. Through projects that explore optical coupling, material interfaces, and energy harvesting, Dr. Chang’s research is expected to revolutionize the optoelectronics field.

Impact and Influence 🌍

Dr. Chang’s contributions to the scientific community have had far-reaching implications, particularly in the area of perovskite solar cells. His work on improving photovoltaic performance and investigating interfacial contacts between organic and inorganic materials has the potential to enhance solar cell efficiency and sustainability. He is a key player in advancing technologies related to energy conversion, helping to foster sustainable solutions to global energy challenges. His leadership roles in academic societies have also expanded his influence and outreach in the scientific community.

Academic Citations 📈

Dr. Chang has an impressive publication record, with recent articles in high-impact journals such as Nanotechnology, Synthetic Metals, and Materials Science in Semiconductor Processing. His work is frequently cited by fellow researchers in the field of optoelectronics, particularly his studies on perovskite materials and their optical properties. These citations underscore the significance and influence of his research in both academia and industry.

Research Skills 🧑‍🔬

Dr. Chang possesses an extensive skill set in semiconductor physics, optical physics experiments, and theoretical computations. His research involves complex techniques such as material synthesis, thin film fabrication, and optical characterization. He has a deep understanding of light-matter interactions and their application to next-generation devices like solar cells and plasmonic devices. Additionally, his ability to bridge experimental techniques with theoretical models allows him to tackle complex challenges in material design and optoelectronic applications.

Teaching Experience 🏫

In his roles as a Professor and Associate Professor, Dr. Chang has mentored numerous graduate and postgraduate students in their research pursuits. His teaching approach is centered around encouraging critical thinking, innovation, and hands-on experimentation. His experience in guiding students and fostering academic growth aligns with his belief in the importance of collaboration and mentorship within academic settings. He also plays an active role in career development, helping students transition into the professional world with a strong foundation in research and industry-related skills.

Awards and Honors 🏆

Throughout his career, Dr. Chang has been the recipient of several prestigious awards and honors, recognizing his contributions to the fields of optical physics, semiconductor research, and perovskite optoelectronics. His ongoing recognition as a leader in nanotechnology and materials science reflects his consistent pursuit of excellence in both academic research and scientific innovation.

Legacy and Future Contributions 🔮

Dr. Chang’s work is poised to leave a lasting impact on the scientific community, particularly in the field of renewable energy and optoelectronics. As the principal investigator of major research projects, he is advancing the efficiency and sustainability of perovskite-based technologies, paving the way for affordable and efficient solar energy solutions. Dr. Chang’s future contributions to nanomaterials and functional thin films will likely continue to inspire scientific innovation, technological advancements, and environmental sustainability for years to come.

Publications Top Notes

Long room-temperature valley lifetimes of localized excitons in MoS2 quantum dots

  • Authors: H. Wang, Y. Chen, T.Y. Pan, Y. Lee, J. Shen
    Journal: Optics Express
    Year: 2024

Structural and excitonic properties of the polycrystalline FAPbI3 thin films, and their photovoltaic responses

  • Authors: Y. Huang, I.J. Yen, C. Tseng, A. Chandel, S.H. Chang
    Journal: Nanotechnology
    Year: 2024

Observations of two-dimensional electron gases in AlGaN/GaN high-electron-mobility transistors using up-converted photoluminescence excitation

  • Authors: Y. Chen, L. Chen, C.B. Wu, Y.J. Lee, J. Shen
    Journal: Optics Express
    Year: 2024

Efficient Optical Coupling between Dielectric Strip Waveguides and a Plasmonic Trench Waveguide

  • Authors: J. Wu, A. Chandel, C. Chuang, S.H. Chang
    Journal: Photonics
    Year: 2024

Enhancing the photovoltaic responses of MAPbI3 poly-crystalline perovskite films via adjusting the properties of PEDOT:PSS hole transport material with a low-polarity solvent treatment process

  • Authors: C. Tsai, S.N. Manjunatha, M. Sharma, L.B. Chang, C. Chang
    Journal: Materials Science in Semiconductor Processing
    Year: 2024