Yong-Hang Zhang

Title: Innovations of Yong-Hang Zhang in Optoelectronic Devices

Introduction

Yong-Hang Zhang is a prominent inventor based in Scottsdale, AZ (US), known for his significant contributions to the field of optoelectronic devices. With a total of 12 patents to his name, Zhang has made remarkable advancements in solar cell technology and related applications. His work focuses on enhancing the efficiency and functionality of devices that convert light into electricity.

Latest Patents

Zhang's latest patents include innovative designs for contacts of solar cells and other optoelectronic devices. These designs utilize the surface Fermi level pinning effect to create an electrical field within semiconductors, facilitating the extraction or injection of carriers for various applications. For instance, he describes the use of n-type or p-type two-dimensional (2D) materials in contact with n-type or p-type semiconductors to form essential junctions, which significantly improve the performance of solar cells and photodetectors.

Another notable patent involves CdTe-based double heterostructures and related light-conversion devices. These devices, which include a heavily-doped p-type a-SiC:H and an i-MgCdTe/n-CdTe/N-MgCdTe double heterostructure, achieve a power conversion efficiency of up to 17%. The operational characteristics of these devices surpass those of traditional monocrystalline solar cells, showcasing Zhang's innovative approach to enhancing energy conversion technologies.

Career Highlights

Throughout his career, Yong-Hang Zhang has been associated with esteemed institutions such as Arizona State University and the Arizona Board of Regents. His work has not only contributed to academic advancements but has also had a significant impact on the practical applications of optoelectronic devices in the industry.

Collaborations

Zhang has collaborated with notable colleagues, including Philip Dowd and Wolfgang Braun, to further his research and development efforts in the field of optoelectronics. These collaborations have fostered a rich exchange of ideas and innovations, enhancing the overall impact of their work.

Conclusion

Yong-Hang Zhang's contributions to the field of optoelectronic devices exemplify the power of innovation in advancing technology. His patents and research continue to pave the way for more efficient solar energy solutions and other applications, solidifying his position as a leading inventor in this domain.