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KAIST doctoral student wins prize at 2014 International Military Science and Technology Fair
Min-Kyu Yoo (far left), a doctoral student in the Department of Materials Science Engineering, KAIST, received a silver prize at the 2014 International Military Science and Technology Fair held from May 29 to June 1, 2014 at KINTEX, Ilsan City, Korea. Yoo presented a paper on aluminum composite materials that were reinforced by carbon nanotubes. Carbon nanotubes reinforced aluminum composite materials have strong mechanical properties, and some nations have used them to manufacture battle tanks. Aluminum generates hydrogen in an alkaline solution. Utilizing this property and the galvanic corrosion of carbon nanotubes and aluminums, Yoo developed a hydrogen energy system that is fueled with composite materials of carbon nanotube reinforced aluminum. He produced 5 kW electric power and maintained it 22 days using 10 kg of the composite materials for a proton exchange membrane fuel cell and its auxiliary power system. Yoo’s research will alleviate the difficulty of transporting fuels during wartime and can be applied to the development of an auxiliary power system for next generation aircrafts and battle tanks.
2014.06.24
View 7770
Professor Sang Ouk Kim Receives the "Scientist of the Month Award" from the Korean Government
Professor Sang Ouk Kim of the Department of Materials Science and Engineering, KAIST, received the Scientist of the Month Award in June 2014 for his development of a fundamental technology that allows free control of the properties of carbon-based materials. Since June 1997, the Korean government has awarded monthly one scientist working in industry, universities, or research institutions to recognize his or her research achievements, as well as to promote science and technology. Professor Kim implemented a technique known as doping, which has been used in ordinary semiconductor processes, to demonstrate the physical properties of carbon-based materials. Carbon nanotubes, graphene, and other carbon materials have superior mechanical and electrical properties and are regarded as next-generation materials. However, difficulty in controlling their qualities has made applications in various devices unfavorable. The doping technique in semiconductor production is to artificially introduce impurities into an extremely pure semiconductor for the purpose of modulating its electrical properties. Profess Kim doped elements like nitrogen and boron to enable minute control of the physical properties of carbon-based materials and applied the technique to development of organic solar cells, organic light-emitting devices, and flexible memory. He also increased the application range by using a self-assembly method to change freely the structure of carbon-based materials. Professor Kim has published 53 papers in renowned journals such as Advanced Materials and Nanoletters. He was rewarded further by being invited to write a review paper for the 25th anniversary special edition for Advanced Materials.
2014.06.19
View 8924
Professor Sang-Ouk Kim's Research on Carbon Materials Featured in a Philippines Science News
The subject article said that Professor Sang-Ouk Kim of Materials Science Engineering at KAIST “developed a technique to change the nature of the next-generation carbon-based materials. His research has expanded the possibility of carbon-based materials to be used in clothes.” For details, please refer to the article below: Centrio Times, June 10, 2014 KAIST scientist develops color changing carbon materials that can be used in clothes http://www.centriotimes.com/2014/06/kaist-scientist-develops-color-changing-carbon-materials-can-used-clothes.html.
2014.06.15
View 7214
Yong-Joon Park, doctoral student, receives the Korea Dow Chemical Award 2014
Yong-Joon Park, a Ph.D. candidate of Materials Science and Engineering at KAIST, received the Korea Dow Chemical Award 2014, a prestigious recognition of the year’s best paper produced by students in the field of chemistry and materials science. The award ceremony took place on April 18, 2014 at Ilsan Kintex, Republic of Korea. The Korea Dow Chemical Award is annually given by Korea Dow Chemical and the Korean Chemical Society to outstanding papers produced by graduate and postdoc students. This year, a total of nine papers were selected out of 148 papers submitted. The title of Park’s paper is “The Development of 3D Nano-structure-based New Concept Super-elastic Materials.” This material could be used in flexible electronic devices such as displays and wearable computers.
2014.05.03
View 7802
Professor Sang-Ouk Kim Publishes Review Article in the Journal of "Nature Materials"
Nature Materials, a peer-reviewed scientific journal published by Nature Publishing Group, covers a range of topics within materials science from materials engineering and structural materials. The journal invited Professor Sang-Ouk Kim of Materials Science and Engineering at KAIST to contribute to the April issue of 2014. Professor Kim, together with his doctoral student, Ju-Young Kim, wrote a review article in the “News and Views” section of the journal, which was entitled “Liquid Crystals: Electric Fields Line Up Graphene Oxide.” The News and Views is a peer-reviewed section where an academic authority in a particular field reviews and evaluates papers published in the journal. In the article, Professor Kim reviewed a paper written by Jang-Kun Song et al. and highlighted important research outcomes such as the efficient electric field switching of graphene oxide (GO) liquid-crystals in low-concentration dispersions and the demonstration of a prototype of a GO liquid-crystal display. This technology could lead the development of a flexible display. Professor Kim is an eminent scholar who has reported for the first time in the world on the solvent-based graphene oxide liquid crystals formation in 2011. For the article, please go to: http://www.kaist.ac.kr/_prog/download.php?filename=Nature_Materials_Professor_Sang-Ouk_Kim_Apr_2014.pdf
2014.03.26
View 8643
Professor Kyung-Wook Paik Receives the Best Presentation Award from 2014 Pan Pacific Symposium
The Surface Mount Technology Association (SMTA) hosted its 19th Annual Pan Pacific Microelectronics Symposium on February 11-13, 2014 in Hawaii. The 2014 conference, promoting international technical exchange and extensive networking among microelectronics professionals from around the world, presented over 50 papers from 17 countries. Professor Kyung-Wook Paik of Materials Science Engineering at KAIST received the Best Presentation Award for his paper titled, “Novel Nanofiber Anisotropic Films for Nine Pitch Assembly” at the conference. SMTA is an international network of professionals in electronics assembly technologies, including Microsystems, emerging technologies, and related business operations.
2014.03.17
View 8049
Graduate Student at KAIST Awarded Best Prize at the 9th Inside Edge
Sun-Jin Choi, a Ph. D. candidate in the Department of Materials Science and Engineering at KAIST, under the guidance of Professor Il-Doo Kim, won the best prize at the 9th Inside Edge Contest hosted by Samsung Electro-Mechanics. Choi was awarded prize money totaling fifteen million won at the award ceremony held on November 22 at the Mirae Hall at the headquarters of Samsung Electro-Mechanics in Suwon. Choi’s research, titled “Exhaled Breath Sensor Arrays for the Non-invasive and Real-time Diagnosis of Diabetes by Detection of Acetone,” was recognized for its creativity and uniqueness.The Inside Edge is an international thesis competition which was started in 2005 to encourage and support creative research and potential technological development among young scientists and engineers. Sun-Jin Choi (left) and Professor Il-Doo Kim (right).
2013.12.11
View 8357
Professor Sang-Ouk Kim Interviewed with Arirang TV on April 15, 2013
Professor Sang-Ouk Kim from the Department of Materials Science and Engineering made an appearance on April 15, 2013 at a morning show called “Korea Today” on Arirang TV, an English-language network based in Seoul, South Korea. Professor Kim introduced his research on the development of flexible semiconductor technology. If commercialized, Professor Kim added, the technology would expedite the common use of wearable computers including mobile devices as well as the development of bio-medical implanted and wireless telemetry bio-devices. To play the video, please click the link below (00:25:00): http://www.arirang.co.kr/Player/TV_Vod.asp?HL=X&code=VOD&vSeq=68872
2013.04.30
View 8193
Professor Lee Jeong Yong Receives 2012 'KAISTian of the Year' Award
Professor Lee Jeong Yong (Department of Material Science and Engineering) received the 2012 ‘KAISTian of the Year’ Award. Professor Lee had successfully developed a technique that allowed the observation and analysis of liquid in atomic scale. The technique is expected to have great impact on nano-material synthesis in solution, explaining electrode and electrolyte reaction, liquid and catalysis reaction research, and etc. and was therefore named as the best experimental accomplishment in KAIST in 2012. Professor Lee and his team’s finding has been published in the April edition of Science magazine and has had attracted the attention of the world. In addition, BBC News, and Science & Environment reported on the findings as their respective top articles. The optical microscope is incapable of atomic scale observation and the electron microscopes are capable but because of the vacuum state all liquids undergo evaporation making it impossible to observe liquids in an atomic scale. Professor Lee’s team wrapped the liquid with a layer of grapheme to prevent evaporation and successfully observed real time the platinum growth process in solution. Professor Lee’s findings were introduced as an example of exemplar research case in the Presidential address for ‘Science Day’ in April.
2013.01.22
View 8113
Professor Kyung Wook Baek Wins the Best Thesis Award at the 2012 Pan-Pacific Microelectronic Symposium
Prof. Kyung Wook Baek from KAIST"s material science department has won the Best Thesis Award at the 2012 Pan-Pacific Microelectronic Symposium. The title of this thesis was "Recent Advances in Anisotropic Conductive Adhesives Technology : Materials and Processes". Prof Baek had the honor of having his thesis be appointed the best thesis of the symposium. This thesis includes his 15 years of research on ACAs which are a key element of display and semiconductor packaging technology. Prof. Baek"s research results has been recognized as incredibly innovative in the field of ACAs and ultrasonic connection devices. This thesis has been recognized as setting the foundation for commercialization by professionals from all over the world at the symposium. Prof. Baek has announced two innovative technologies on ACAs at the symposium. One is a technology that merges the nanofiber technology with the ATAs. This technology was highly applauded for overcoming the problem of electric connection in micro-pitch display semiconductors, and successfully applying this to electronic packaging materials. Currently, commercialization process based on the patent is ongoing. It is expected that we will be able to take hold of the entire market once the commercialization succeeds. The other technology was to improve the liability and overcome the limits of the current flow in ACAs through the use of solder molecules. This is also undergoing commercialization process for use in mobile electronic devices. Together with this, Prof.Baek has reported an innovative case where the original heat compression process was replaced with a new ultrasonic process. This discovery is deemed to be extremely great due to its implications in replacing all heat compression systems. This too will soon be commercialized Prof.Baek has played a crucial role in the development of electronic packaging material and processing technology. He has written the largest number of theses in this area, and has proven himself to be the world"s best through winning this award.
2012.05.10
View 9130
President Suh Nam Pyo meets a student who saved a person's life
President Nam-Pyo Suh visited Yo-Seop Kim (a junior from the Department of Materials Science and Engineering) at a hospital who was hurt while helping out a citizen in a dangerous situation. Nerves of his right arm were damaged as a result of the injury. President Suh praised Yo-Seop’s act by saying that he had demonstrated true courage as a member of KAIST and relayed his sincere gratitude in performing the good deed of saving a life on behalf of KAIST and urged him to focus on rehabilitation. Wishing Yo-Seop to recover quickly and continue on living with a warm perspective of life, the president promised that the university would seek ways to provide him with the necessary assistance in his getting back to normal ife. Yo-Seop Kim commented that the scar was an honorable and proud thing, humbly acknowledging, “Anybody in my situation would have done the same thing.” He further said that he would study harder to realize his dream after being discharged from the hospital. Yo-Seop Kim was stabbed on the back of his hand whilst trying to block an unknown man from stabbing another person in a quarrel at Suwon Station on 25th of November. He received a wound across the back of his hand and consequently, his nerve was severed. The story of Yo-Seop was posted on the KAIST Online Bulletin System from the 29th of November and registered 4,800 hits and words of encouragement and applause were written on the post. Since the assailant was not applied to the national health insurance, Yo-Seop was having a difficult time paying the necessary surgery and insurance fees. President Suh instructed the university to find methods of helping him through various channels. KAIST will be providing Yo-Seop with a portion of the surgery fees and rehabilitation at the KAIST Clinic after he is discharged from the hospital.
2011.12.13
View 9274
Biomimetic Carbon Nanotube Fiber Synthesis Technology Developed
The byssus of the mussel allows it to live in harsh conditions where it is constantly battered by crashing waves by allowing the mussel to latch onto the seaside rocks. This particular characteristic of the mussel is due to the unique structure and high adhesiveness of the mussel’s byssus. KAIST’s Professor Hong Soon Hyung (Department of Material Science and Engineering) and Professor Lee Hae Shin (Department of Chemistry) and the late Professor Park Tae Kwan (Department of Bio Engineering) were able to reproduce the mussel’s byssus using carbon nanotubes. The carbon nanotube, since its discovery in 1991, was regarded as the next generation material due to its electrical, thermal, and mechanical properties. However due to its short length of several nanometers, its industrial use was limited. The KAIST research team referred to the structure of the byssus of the mussel to solve this problem. The byssus is composed of collagen fibers and Mefp-1 protein which are in a cross-linking structure. The Mefp-1 protein has catecholamine that allows it to bind strongly with the collagen fiber. In the artificial structure, the carbon nanotube took on the role of the collagen fibers and the macromolecular adhesive took on the role of the catecholamine. The result was a fiber that was ultra-light and ultra-strong. The results of the experiment were published in the Advanced Materials magazine and is patent registered both domestically and internationally.
2011.06.20
View 11371
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