Chang Ki Baek

Title: Innovations by Chang Ki Baek

Introduction

Chang Ki Baek is a notable inventor based in Pohang-si, South Korea. He has made significant contributions to the field of solar energy and nanotechnology, holding a total of three patents. His work focuses on enhancing the efficiency and sensitivity of solar cells and sensors.

Latest Patents

One of his latest patents is for a solar cell and method for manufacturing the same. This invention features asymmetric nanowires with angled sidewalls, which allow for the concentration of incident light at the p-n junction. This design utilizes the total reflection phenomenon, improving light absorption and photoelectric efficiency. The manufacturing method involves etching a substrate and integrally forming it with a p-type semiconductor layer, which simplifies the production process and reduces costs.

Another significant patent is for a nanowire electric field effect sensor that incorporates a three-dimensional stacking structure. This innovative design increases the exposed surface area of the nanowires, enhancing the sensor's measurement sensitivity. The increased surface area allows for a higher probability of target material attachment, leading to more accurate sensing of changes in electrical conductivity.

Career Highlights

Chang Ki Baek is affiliated with the Postech Academy-Industry Foundation, where he continues to develop his innovative ideas. His work has positioned him as a key figure in advancing solar technology and nanowire sensors.

Collaborations

He collaborates with notable colleagues, including Yoon Ha Jeong and Tai Uk Rim, contributing to a dynamic research environment that fosters innovation.

Conclusion

Chang Ki Baek's contributions to solar energy and nanotechnology exemplify the impact of innovative thinking in modern science. His patents reflect a commitment to improving efficiency and sensitivity in technology, paving the way for future advancements.