Company Filing History:
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1 out of 12 Years Active: 2009
Title: Innovations of Cheng Qian in Carbon Nanotube Technology
Introduction
Cheng Qian is a notable inventor based in Durham, NC (US), recognized for his contributions to the field of carbon nanotube technology. His innovative work focuses on synthesizing small-diameter carbon nanotubes with unique electron field emission properties. With a single patent to his name, Qian's research has significant implications for various applications in electronics and materials science.
Latest Patents
Cheng Qian holds a patent titled "Method of synthesizing small-diameter carbon nanotubes with electron field emission properties." This patent describes a carbon nanotube material with an outer diameter of less than 10 nm and fewer than ten walls. The invention includes an electron field emission device that comprises a substrate, an optional adhesion-promoting layer, and a layer of electron field emission material. The carbon nanotubes in this invention have a number of concentric graphene shells ranging from two to ten, an outer diameter between 2 to 8 nm, and a length greater than 0.1 microns. The methods for fabricating these carbon nanotubes involve producing a catalyst containing iron and molybdenum supported on magnesium oxide powder, using a mixture of hydrogen and carbon-containing gas as precursors, and heating the catalyst to temperatures above 950°C.
Career Highlights
Cheng Qian has worked with prestigious institutions, including Duke University and Xintek, Inc. His experience in these organizations has allowed him to advance his research and contribute to the development of innovative technologies in the field of nanomaterials.
Collaborations
Throughout his career, Qian has collaborated with notable colleagues such as Jie Liu and Chunsheng Du. These collaborations have further enriched his research and expanded the impact of his work in the scientific community.
Conclusion
Cheng Qian's innovative work in carbon nanotube technology exemplifies the potential of nanomaterials in advancing electronic applications. His contributions continue to influence the field and inspire future research endeavors.