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Ç¥¸é°È ¶ó¸¸»ê¶õ¹ý(Surface-enhanced Raman spectroscopy, SERS)À̶ó°íµµ ºÒ¸®´Â 'Ç¥¸é°È ¶ó¸¸ºÐ±¤¹ý'Àº ¾ÆÁÖ ÀûÀº ºÐÀÚ·® ¶Ç´Â ºÐÀڳ󵵿¡¼µµ ºÐÀÚ ¹°ÁúÀ» ÀνÄÇÏ°í °ËÃâÇϴ Ź¿ùÇÑ ºÐ¼®¡¤¼¾½Ì ±â¼úÀÌ´Ù.
ÀÌ´Â ºÐ¼®¹°ÀÇ ¸Å¿ì ¾àÇÑ ¶ó¸¸ ½ÅÈ£¸¦ Å©°Ô Çâ»óÇÒ ¼ö ÀÖ´Â °í±Þ ºÐ¼® ±â¼ú·Î ÈÇÐÁ¾ ½Äº°, ȯ°æ ¸ð´ÏÅ͸µ, ¹ÙÀÌ¿À ¼¾¼, ÀÓ»ó Áø´Ü ¹× ½ÄÇ° ¾ÈÀü°ú °°Àº ´Ù¾çÇÑ ¿¬±¸ ºÐ¾ß¿¡¼ ÀÀ¿ëµÇ°í ÀÖ´Ù.
¿¬±¸ÁøÀº ¸ÞŸǥ¸é ÇÏÀ̺긮µå ÀÔÀÚ ±â¹ÝÀÇ Ç¥¸é°È SERS Ç÷§Æû¿¡ 4-ATP¿Í CV ºÐÀÚÀÇ ¶ó¸¸ Áøµ¿À» Çâ»óÇϱâ À§ÇÑ CM(chemical mechanism)°ú EM(electromagnetic mechanism) µÎ °¡Áö °È¹ýÀ» Àû¿ëÇß´Ù.
¸ÕÀú ±×·¹ÇÉ(Graphene) ÄÁÅÒ´å(quantum dot, QD) GQD ÀÔÀÚ¿Í 4-ATP, CV ºÐÀÚ¸¦ ÃÊÀ½ÆķΠó¸®ÇØ ½Ã¾àÀ» ÇÕ¼ºÇß´Ù. ÀÌÈÄ »õ·Ó°Ô °³¹ßµÈ ¸ÞŸǥ¸é ±â¹Ý Àº³ª³ë½© ÆȶóµãÄÚ¾î ÇÏÀ̺긮µå ³ª³ëÀÔÀÚ¿¡ Àû¿ëÇØ ÇÏÀ̺긮µå Ç¥¸é°È SERS¸¦ ±¸ÇöÇß´Ù.
Äھ Àº³ª³ë½© ÆȶóµãÄÚ¾î ÇÏÀ̺긮µå ³ª³ëÀÔÀÚ´Â °íÀ¯ÇÑ ±¹¼Ò Ç¥¸é ÇöóÁî¸ó °ø¸í(LSPR)À» ÅëÇØ EMÀ», GQD ³ª³ëÀÔÀڴ dzºÎÇÑ È°¼º ºÎÀ§¿Í ÀüÇÏ À̵¿À» ÅëÇØ CMÀ» Çâ»óÇß´Ù.
À̹ø ¿¬±¸ÀÇ ¿¬±¸ÁøÀº Rutuja Mandavkar(¹Ú»ç°úÁ¤, ±¤¿î´ë Á¦1ÀúÀÚ), Shusen Lin(¼®¹ÚÅëÇÕ°úÁ¤, ±¤¿î´ë), Sanchaya Pandit(¼®»ç°úÁ¤, ±¤¿î´ë), Rakesh Kulkarni(¹Ú»ç°úÁ¤, ±¤¿î´ë), Shalmali Burse(¹Ú»ç°úÁ¤, ±¤¿î´ë), Md Ahasan Habib(¹Ú»ç°úÁ¤, ±¤¿î´ë), Sundar Kunwar(¼ö¼®¿¬±¸¿ø, ¹Ì±¹ ·Î½º¾Ë¶ó¸ð½º ±¹¸³¿¬±¸¼Ò, Los Alamos National Laboratory), ÀÌÁöÈÆ ±³¼ö(±¤¿î´ë - ±³½ÅÀúÀÚ) µîÀ¸·Î ±¸¼ºµÆ´Ù.
Áö³ 2020³â ±¤¿î´ë ÀüÀÚ°øÇаú ¹Ú»ç°úÁ¤À¸·Î ÀÔÇÐÇØ 3³â Â÷ ¹Ú»ç°úÁ¤À» ¹â°í ÀÖ´Â ·çÅõÀÚ(»çÁø ¿ÞÂÊ) ¾¾´Â ´Ù¼öÀÇ ¿¬±¸¿¡ Âü¿©ÇØ ÁÖÀúÀÚ ¹× °øÀúÀÚ·Î ³í¹®À» ÃâÆÇÇß´Ù.
ÇÑÆí À̹ø ¿¬±¸´Â Çѱ¹¿¬±¸Àç´Ü°ú ±³À°ºÎ°¡ ÃßÁøÇÏ´Â BK-21, ÁßÁ¡¿¬±¸¼Ò Áö¿ø»ç¾÷°ú ±¤¿î´ëÀÇ Áö¿øÀ» ¹ÙÅÁÀ¸·Î ÁøÇàµÆ´Ù.
¿¬±¸°á°ú´Â °úÇÐÀü¹®Áö 'SURFACES AND INTERFACES'(JCR MATERIALS SCIENCE, COATINGS & FILMS Ä«Å×°í¸® Q1, ºÐ¾ß ¼øÀ§ 3À§, Impact Factor: 6.137) 2022³â 07¿ù È£¿¡ 'Hybrid SERS platform by adapting both chemical mechanism and electromagnetic mechanism enhancements: SERS of 4-ATP and CV by the mixture with GQDs on hybrid PdAg NPs'¶ó´Â Á¦¸ñÀ¸·Î °ÔÀçµÆ´Ù.
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