Richard W Hoffman

Title: Richard W. Hoffman: Innovator in Photovoltaic Technology

Introduction

Richard W. Hoffman is a notable inventor based in Bay Village, Ohio, recognized for his contributions to the field of photovoltaic technology. With a total of two patents to his name, Hoffman's work focuses on enhancing the efficiency and effectiveness of solar energy devices.

Latest Patents

Hoffman's latest patents include innovative techniques for depositing InGaAs epitaxial layers on InP substrates. One of his significant inventions involves a hydrogen passivated photovoltaic device, which comprises a lattice mismatched substrate such as germanium or silicon, along with a hydrogen passivated heteroepitaxial layer like InP. This device is produced by exposing a sample of heteroepitaxial III-V material grown on a lattice-mismatched substrate to reactive hydrogen species at elevated temperatures. The process allows reactive hydrogen to form bonds with dangling bonds along dislocations in the sample, effectively passivating the electrical activity in these dislocations.

Career Highlights

Throughout his career, Richard W. Hoffman has worked with esteemed organizations such as Essential Research, Inc. and The Ohio State University Research Foundation. His expertise in photovoltaic technology has made significant impacts in the field, contributing to advancements in solar energy applications.

Collaborations

Hoffman has collaborated with notable colleagues, including David M. Wilt and Steven A. Ringel, further enhancing the scope and impact of his research and inventions.

Conclusion

Richard W. Hoffman stands out as an influential inventor in the realm of photovoltaic technology, with his innovative patents paving the way for advancements in solar energy devices. His contributions continue to inspire future developments in the field.