John L Harrington

Title: Innovations of John L Harrington in Photovoltaic Technology

Introduction

John L Harrington is a notable inventor based in Colorado Springs, CO (US). He has made significant contributions to the field of photovoltaic technology, particularly in the development of semiconductor solar absorbers. With a total of 2 patents to his name, Harrington's work focuses on enhancing the efficiency and manufacturing processes of solar cells.

Latest Patents

Harrington's latest patents include a machine and process for the continuous, sequential deposition of semiconductor solar absorbers. This innovative method involves the sequential deposition of films comprising silver, copper, aluminum, indium, gallium, sulfur, selenium, and tellurium in multiple thin sublayers. The process is designed for roll-to-roll manufacturing of photovoltaic cells, allowing for the preparation of a CIGS absorber layer with graded composition. This graded composition is strategically enriched in gallium at the base and silver at the top of the layer, optimizing the performance of the solar cells.

Career Highlights

Harrington is currently associated with Ascent Solar Technologies, Inc., where he continues to push the boundaries of solar technology. His work has been instrumental in advancing the manufacturing techniques of photovoltaic cells, making them more efficient and cost-effective.

Collaborations

Throughout his career, Harrington has collaborated with notable colleagues such as Lawrence M Woods and Joseph H Armstrong. These collaborations have further enriched his research and development efforts in the field of solar energy.

Conclusion

John L Harrington's contributions to photovoltaic technology exemplify the innovative spirit of modern inventors. His patents and ongoing work at Ascent Solar Technologies, Inc. highlight the importance of advancements in solar energy solutions.