Shen Qing

Title: **Inventor Profile: Shen Qing - Innovator in Quantum Dots**

Introduction

Shen Qing is a prominent inventor based in Chofu, Japan, recognized for his significant contributions to the field of quantum dot technology. With a focus on enhancing the efficiency of photovoltaic materials, Shen has developed an innovative method for the preparation of formamidinium lead halide perovskite quantum dots, which holds promise for various applications in opto-electronic devices.

Latest Patents

Shen Qing holds a patent titled "Preparation method of formamidinium lead halide perovskite quantum dots." This invention introduces a novel method for producing quantum dots characterized by a photoluminescence quantum yield that surpasses previous benchmarks. The patented process involves several critical steps:

1. Preparing a lead halide solution by dissolving lead halide (II), oleic acid, and oleylamine in a nonpolar solvent.

2. Formulating a formamidinium solution by dissolving formamidine acetate salt and oleic acid in a nonpolar solvent.

3. Mixing the two solutions to form quantum dots, followed by centrifugation to acquire sediment.

4. Dispersing the sediment to create a crude quantum dot solution, which is then further refined with methyl acetate.

5. Finally, by centrifuging the mixture again, purified quantum dots are obtained. This durable and stable quantum dot formation is achieved through careful temperature control during the mixing process between 60°C and 90°C.

Career Highlights

Throughout his career, Shen Qing has been associated with several prestigious organizations. Notably, he worked at Toyota Jidosha Kabushiki Kaisha, where he contributed to advancements in automotive technology. Additionally, Shen has held a position at The University of Electro-Communications, enabling him to bridge the gap between academia and industry while furthering his research in quantum technologies.

Collaborations

In his professional journey, Shen has collaborated with notable coworkers such as Taizo Masuda and Kiyoto Sasaki. These partnerships have fostered an environment of innovation and creativity, leading to the advancement of cutting-edge technologies in the field of quantum dots.

Conclusion

Shen Qing's inventive spirit and technical expertise have established him as a key player in the realm of quantum dot technology. With his innovative preparation method for formamidinium lead halide perovskite quantum dots, he not only enhances the efficiency of materials but also contributes to the broader field of opto-electronics. As the industry continues to evolve, Shen's work is sure to pave the way for future advancements and applications.