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Title: Innovations of Jong-Heun Lee in Gas Sensing Technology
Introduction
Jong-Heun Lee is a prominent inventor based in Seoul, South Korea, known for his significant contributions to gas sensing technology. With a total of six patents to his name, he has developed innovative solutions that enhance the detection of harmful gases, particularly methylbenzenes.
Latest Patents
One of Jong-Heun Lee's latest patents is a methylbenzene gas sensor utilizing palladium-containing cobalt oxide nanostructures. This advanced gas sensor is designed to selectively detect methylbenzene gases with high sensitivity. The gas sensing layer comprises palladium (Pd)-loaded cobalt oxide (CoO) nanostructures, which significantly improve performance. The sensor exhibits a response to xylene gas at a concentration as low as 5 ppm that is at least 150 times higher than its response to ethanol gas. Similarly, its response to toluene gas at the same concentration is at least 100 times greater than that to ethanol gas. Furthermore, the sensor can selectively detect methylbenzene gases, including xylene and toluene, with a response that is at least 30-fold higher for xylene and at least 15 times higher for toluene compared to ethanol gas.
Another notable patent involves a highly sensitive and selective gas sensing material for methylbenzene detection. This gas sensing material consists of a nanocomposite of chromium oxide (CrO) and zinc chromium oxide (ZnCrO). The composition of chromium in the nanocomposite ranges from 67.0 at. % to 90.0 at. %, based on the total content of chromium and zinc atoms. This material is not only highly selective to methylbenzenes over other gases but also exhibits exceptional sensitivity. The methods for preparing this gas sensing material allow for precise control over its composition and enable rapid synthesis at low temperatures.
Career Highlights
Jong-Heun Lee has worked with notable organizations, including Korea University Research and Business Foundation and Samsung Electronics Co., Ltd. His experience in these institutions has contributed to his expertise in the field of gas sensing technology.
Collaborations
Some of his coworkers include Ho-in Kim and Byung-ki Kim, who have collaborated with him on various projects related to gas sensing innovations.
Conclusion
Jong-Heun Lee's work in gas sensing technology has led to significant
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