Chang Yang

Title: Chang Yang: Innovator in Quantum Dot Technology

Introduction

Chang Yang is a prominent inventor based in Xi'an, China. He has made significant contributions to the field of quantum dot technology, particularly through his innovative methods of preparation. His work emphasizes environmental sustainability and cost-effectiveness, making it relevant in today's technological landscape.

Latest Patents

Chang Yang holds a patent for a "Solvent-free and ligand-free ball milling method for preparation of cesium lead tribromide quantum dot." This method involves mixing a cesium source, a lead source, and a bromine source in a specific molar ratio, followed by the addition of polymethyl methacrylate (PMMA). The mixture is then milled for 1-2 hours at a rotation speed of 360 to 630 revolutions per minute. This innovative approach results in cesium lead tribromide quantum dots with a quantum yield of up to 78%. The method is notable for its simplicity, low cost, and environmental protection, as it does not require solvents or organic ligands.

Career Highlights

Throughout his career, Chang Yang has worked with esteemed institutions such as Xi'an University of Architecture and Technology and Dongying Hadong Industrial Technology Research Institute Co., Ltd. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking research in quantum dot technology.

Collaborations

Chang Yang has collaborated with notable colleagues, including Huidong Xie and Wei Liu. These partnerships have fostered a collaborative environment that enhances innovation and research in their respective fields.

Conclusion

Chang Yang's contributions to quantum dot technology exemplify the intersection of innovation and environmental sustainability. His patented methods not only advance scientific understanding but also promote practical applications in various industries.