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¾ð¶æ ‘¼ÒÀç°³¹ß(Material Development)’°ú ‘µðÀÚÀÎ(Design)’Àº ÀüÇô ´Ù¸¥ º°°³ÀÇ ºÐ¾ßó·³ ´À²¸Áø´Ù. ±×·¯³ª ¼ÒÀç°³¹ß ¿¬±¸ÀÇ ¹æÇ⼺ÀÌ ±âÁ¸ÀÇ ¹°ÁúÀ» ´ëüÇÒ ¼ö ÀÖ´Â º¸´Ù È¿À²ÀûÀÎ ½Å¼ÒÀçÀÇ ¹ß°ß°ú âÁ¶¿¡ ÀÖ´Ù´Â Á¡¿¡¼­ Á¤¹ÐÇÑ ¼³°è¿Í ½Ã¹Ä·¹À̼ÇÀÌ º¹ÇÕµÈ µðÀÚÀΰúÀÇ Á¢¸ñÀº °íÁ¤°ü³äÀ» ³Ñ¾î¼± »õ·Î¿î °³³ä Á¦½ÃÀÇ ´ÜÃÊ·Î ÀÛ¿ëÇϱ⵵ ÇÑ´Ù.

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Áö³­ÇØ 9¿ù, KAIST ±èÇüÁØ ±³¼ö ¿¬±¸ÆÀÀº ÀÌ»êȭź¼Ò¸¦ ÀÏ»êȭź¼Ò·Î ÀüȯÇÏ´Â µ¥ ÇÊ¿äÇÑ °íÈ¿À² Àü±âÈ­ÇÐ Ã˸űâ¼úÀ» °³¹ßÇϸç ÇаèÀÇ ÁÖ¸ñÀ» ¹Þ¾Ò´Ù. ¿Â½Ç°¡½ºÀÇ ÁÖ¹üÀÎ ÀÌ»êȭź¼Ò ¹èÃâÀ» ¾ïÁ¦ÇÏ°íÀÚ Àü ¼¼°èÀûÀÎ ±ÔÁ¦°¡ °­È­µÇ°í ÀÖ´Â ¿ÍÁß¿¡ µîÀåÇÑ ÀÌ ±â¼úÀº ÀÌ»êȭź¼Ò Àú°¨ È¿°ú¿Í ÇÔ²² ¸Þź¿Ã, ÇÕ¼º õ¿¬°¡½º, ±âŸ ´ëü¿¬·á Á¦Á¶ÀÇ ÇÙ½É ¿ø·á·Î »ç¿ëµÇ´Â ÀÏ»êȭź¼Ò »ý»êÀ» ´õ¿í È¿À²ÀûÀ¸·Î ¼öÇàÇÒ ¼ö ÀÖ´Ù´Â Á¡¿¡¼­ ³ôÀº Æò°¡¸¦ ¹Þ¾Ò´Ù. ƯÈ÷ ´õ ÁÖ¸ñÇÒ ¸¸ÇÑ ºÎºÐÀº ÀÌ °°Àº ¿¬±¸ ¼öÇà°úÁ¤¿¡¼­ °í¼º´É ÄÄÇ»Å͸¦ È°¿ëÇÑ ¾çÀÚ¿ªÇÐ ½Ã¹Ä·¹À̼ÇÀÌ Å« ¿ªÇÒÀ» Â÷ÁöÇß´Ù´Â Á¡ÀÌ´Ù. 

KAIST EEWS´ëÇпø ±èÇüÁØ ±³¼ö°¡ À̲ø°í ÀÖ´Â m-design(Complex molecular-Systems Multiscale Design) ¿¬±¸½ÇÀº ÀÌó·³ ´Ù¾çÇÑ ¼ÒÀç¿¡¼­ ÀϾ´Â º¹ÀâÇÑ Çö»óÀ» ºÐÀÚ ¼öÁØ¿¡¼­ºÎÅÍÀÇ ´ÙÁß½ºÄÉÀÏ ½Ã¹Ä·¹À̼ÇÀ» ÅëÇØ ÀÌÇØÇÏ°í ¸ðµ¨¸µÇÏ¿© »õ·Î¿î ¼ÒÀ糪 ¼ÒÀÚ¸¦ ÀÌ·ÐÀûÀ¸·Î µðÀÚÀÎÇÏ°í Á¦½ÃÇÏ´Â ¿¬±¸ È°µ¿À» ÆîÃÄ¿Ô´Ù. Áö³­ ¿¬±¸¿¡¼­µµ ¸¶Âù°¡Áö·Î °í¼º´É ½´ÆÛÄÄÇ»ÅÍ(KISTI ŸŰ¿Â)¸¦ È°¿ë, ±âÁ¸ Ã˸ŷΠ»ç¿ëµÇ´ø Àº(Ag) Ç¥¸é¿¡ 34Á¾ÀÇ ´Ù¾çÇÑ ¿ø¼Ò¸¦ ¹Ì¼¼ÇÏ°Ô Ã·°¡ÇÑ »õ·Î¿î Ã˸Ÿ¦ °³¹ßÇÏ°í, À̸¦ »ç¿ëÇØ ÀÌ»êȭź¼Ò¸¦ ³ôÀº È¿À²·Î ÀÏ»êȭź¼Ò·Î ÀüȯÇÒ ¼ö ÀÖÀ½À» ¾çÀÚ¿ªÇÐ ½Ã¹Ä·¹À̼ÇÀ» ÅëÇØ Áõ¸íÇß´Ù. ±è ±³¼ö´Â “¾çÀÚ¿ªÇÐ ½Ã¹Ä·¹À̼ÇÀº È­ÇйÝÀÀÀ» ¿øÀÚ ¼öÁØ¿¡¼­ ¿¹ÃøÇÏ´Â ÄÄÇ»ÅÍ ½Ã¹Ä·¹ÀÌ¼Ç ¹æ¹ýÀ¸·Î, Á¤È®ÇÑ ¿­¿ªÇÐÀû ¿¡³ÊÁö º¯È­¸¦ ¾Ë¾Æ³¾ ¼ö ÀÖ´Ù´Â ÀåÁ¡ÀÌ ÀÖ½À´Ï´Ù. ÀúÈñ ¿¬±¸ÆÀÀº ÀÌ ½Ã¹Ä·¹ÀÌ¼Ç °á°ú¸¦ Åä´ë·Î È¿À²ÀûÀÎ ÀÏ»êȭź¼Ò Àüȯ¿¡ ÀûÇÕÇÑ ¿ø¼Ò¸¦ ã¾Æ³ÂÀ¸¸ç, ÀÏ¹Ý ÀºÀ» Ã˸ŷΠ»ç¿ëÇßÀ» ¶§ ÇÊ¿äÇÑ Àü¾Ð 0.9Vº¸´Ù 0.5V ÀÌ»ó ÁÙÀÏ ¼ö ÀÖÀ½À» È®ÀÎÇß½À´Ï´Ù”¶ó°í ¹àÇû´Ù.

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±èÇüÁØ ±³¼ö´Â ÀÌ¹Ì Áö³­ 2013³â, ²ÞÀÇ ½Å¼ÒÀç¶ó ºÒ¸®´Â ‘±×·¡ÇÉ(Graphen)’ÀÇ ³ôÀº ÀüÇÏ À̵¿¼Óµµ¸¦ È°¿ë, ±âÁ¸ ½Ç¸®ÄÜ ¹ÝµµÃ¼º¸´Ù 100¹è ÀÌ»ó ¼Óµµ¸¦ Çâ»ó½ÃŲ Â÷¼¼´ë ¹ÝµµÃ¼ ±â¼úÀ» °³¹ßÇÏ¸ç ¼¼°èÀûÀÎ ÁÖ¸ñÀ» ¹ÞÀº ¹Ù ÀÖ´Ù. ÀÌ¿¡ ÀÌÀº ¿¬±¸¿¡¼­ °í¼º´É·°íÈ¿À² ÀÏ»êȭź¼Ò Àüȯ Ã˸űâ¼úÀ» °³¹ßÇÔÀ¸·Î½á ±×´Â ÁÖ¸ñ¹Þ´Â ÀþÀº °úÇÐÀڷμ­ÀÇ À§Ä¡¸¦ ´Ù½Ã ÇÑ ¹ø È®°íÈ÷ Çß´Ù. 

ÇöÀç ¹Ì·¡Ã¢Á¶°úÇкΰ¡ ÃßÁøÇÏ´Â ±Û·Î¹úÇÁ·ÐƼ¾î»ç¾÷ ‘ÇÏÀ̺긮µå ÀÎÅÍÆäÀ̽º ±â¹Ý ¹Ì·¡¼ÒÀ翬±¸´Ü’ÀÇ Áö¿øÀ» ÅëÇØ ½º¸¶Æ®ÇÑ Â÷¼¼´ë ¼ÒÀç °³¹ß ÇÁ·Î¼¼½º¿¡ ¸ÅÁøÇÏ°í ÀÖ´Â ±èÇüÁØ ±³¼ö´Â “½Ã¹Ä·¹À̼ÇÀ» ÀÌ¿ëÇÑ ¼ÒÀç °³¹ß ÇÁ·Î¼¼½º´Â ½ÇÁ¦ ½ÇÇèÀ» Çغ¸±â Àü¿¡ ¼ÒÀçÀÇ Æ¯¼ºÀ» ¿¹ÃøÇÏ°í, À̸¦ ±â¹ÝÀ¸·Î ¿¬±¸ÀÇ ¹æÇâÀ̳ª ¼º°ú¸¦ ¿¹ÃøÇÒ ¼ö ÀÖ´Ù´Â Á¡¿¡¼­ È¿À²ÀûÀÔ´Ï´Ù. ¶ÇÇÑ ½ÇÇèÀ» ¿©·¯ ¹ø ¹Ýº¹ÇÏ´Â °æÇèÀû ¹æ¹ýÀ¸·Î ¼ÒÀçÀÇ Æ¯¼ºÀ» ã¾Æ³»´Â °Íº¸´Ù ºñ¿ë°ú ½Ã°£À» Àý¾àÇÒ ¼ö ÀÖ´Ù´Â Á¡¿¡¼­ ÇâÈÄÀÇ ¿¬±¸ Æ®·»µå¸¦ ¹Ù²ã³õÀ» ¼ö ÀÖÀ¸¸®¶ó ±â´ëÇÏ°í ÀÖ½À´Ï´Ù”¶ó°í ¼³¸íÇß´Ù. ±×´Â ¶ÇÇÑ ¿¬±¸¿¡ ÀÖ¾î »õ·Î¿î ¾ÆÀ̵ð¾î³ª Çõ½ÅÀÌ ²÷ÀÓ¾øÀÌ ÀÌ·ïÁö±â À§Çؼ­´Â ÀÚÀ¯·Î¿î ¼ÒÅë°ú ÅäÀÇ°¡ È°¹ßÈ÷ ÀÌ·ïÁ®¾ß ÇÑ´Ù°í °­Á¶Çß´Ù. ±×´Â ÇÁ¶û½º ±¹¸³ °úÇÐ ¿¬±¸¼Ò(CNRS)¿ÍÀÇ Áö¼ÓÀûÀÎ ±³·ù¸¦ ÅëÇØ °øµ¿ ¿¬±¸¿¡¼­ÀÇ ½Ã³ÊÁö È¿°ú¸¦ âÃâÇسª°¡°í ÀÖÀ¸¸ç, Á¦ÀÚµé ¶ÇÇÑ °íÁ¤°ü³ä¿¡¼­ ¹þ¾î³ª ÀÚÀ¯·Î¿î ºÐÀ§±â¿¡¼­ÀÇ ¿¬±¸¿Í °øºÎ¸¦ À̾°¥ ¼ö ÀÖµµ·Ï ÁöµµÇÏ°í ÀÖ´Ù. ½ÃÇàÂø¿À ±â¹ÝÀÌ ¾Æ´Ñ, ‘µðÀÚÀÎ’À» ÅëÇØ »õ·Î¿î ¼ÒÀ縦 °³¹ßÇÏ°íÀÚ ÇÏ´Â °ÍÀÌ ¿¬±¸ÀÇ ÇÙ½ÉÀ̶ó°í °­Á¶ÇÏ´Â ±èÇüÁØ ±³¼ö. ±×¿Í m-design ¿¬±¸½ÇÀÌ Ãß±¸ÇÏ´Â ½º¸¶Æ®ÇÑ ¿¬±¸ ÇÁ·Î¼¼½º°¡ ¹Ì·¡¸¦ ¹Ù²Ü ½Å¼ÒÀç °³¹ßÀÇ ¿­¼è°¡ µÇ¾îÁֱ⸦ ±â´ëÇÑ´Ù.

Designing a research on material development
m-design Prof. Hyungjun Kim of EEWS at KAIST (Korea Advanced Institute of Science and Technology)
Developing next generation materials with quantum mechanics simulation

KAIST Prof. Hyungjun Kim’s team in September last year developed ‘High Efficient Electrochemical Catalyst Technology’ needed to convert carbon dioxide to carbon monoxide and attracted a great attention from the academic world. It can reduce the level of carbon dioxide while produce carbon monoxide more efficiently. Carbon monoxide is the core raw natural material to make various alternative fuels such as methanol and synthetic natural gas. It is notable that the quantum mechanics simulation done by a high performance computer took a great part in the research process.

Prof. Kim is leading m-design (Complex molecular-Systems Multiscale Design) group. The team understands and makes models of complicated phenomena happen in various materials through multi-scale simulation at the molecule level and suggests new materials and elements. By using a super computer (KISTI), the team developed a new catalyst added with 34 kinds of fine elements on the surface of Ag and proved that it can change carbon dioxide to carbon monoxide through quantum mechanics simulation. Kim says “Quantum mechanics simulation predicts chemical reaction at the atom level and we know the changes of thermodynamical energy precisely with it. Based on the simulation result, we found an ideal element that can be used for effective change of carbon monoxide. We also found the fact that it can reduce the voltage to 0.5 compared to 0.9 when sliver is used as catalyst.”

Creating a new research trend
In 2013, Kim developed next generation semi-conductor technology which improved the speed by 100 times than the existing silicon semi-conductor by using high transport speed of electric charge of Graphene and attracted a great attention from the world. Currently, Kim is working on ‘Smart Next Generation Material Development Process’ supported by Hybrid Interface-based Future Material Study Group of Global Frontier Project of the Ministry of Science, ICT and Future Planning. Kim says “Simulation-based material development process is effective in terms of its predictability for research direction and results. It can also save more times than the existing repeatable experimental methods. For this reason, it is expected to create a new research trend.” Kim also emphasized on open discussion and active communication to give new ideas and innovation. Meanwhile, he has been working together with French CNRS (National Center for Scientific Research) to create synergy effect. Power Korea supports Kim and m-design. 
 


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