Washington University in St.Louis ¾çÀº°æ ¹Ú»ç´Ô. |
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ÀÛ¼ºÀÚ °ü¸®ÀÚ ÀÛ¼ºÀÏ 2013-05-14 Á¶È¸¼ö 2037 |
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Àú´Â2000³âµµ¿¡ ±¹¹Î´ëÇб³ ±âÃʰúÇкο¡ ÀÔÇÐÇÏ¿© 2007³âµµ¿¡ ÈÇаú ¹ÚÂù·® ±³¼ö´Ô ¹Ø¿¡¼ ¼®»çÇÐÀ§¸¦ ¹Þ¾Ò°í, Áö±ÝÀº Washington University in St.Louis ÀÇ ÈÇаú¿¡¼ Ph.D °úÁ¤¿¡ ÀçÇÐÁßÀÎ ¾çÀº°æÀÔ´Ï´Ù.
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À¯ÇÐÀ» ÁغñÇÑ µ¿±â´Â »ý°¢º¸´Ù °£´ÜÇß½À´Ï´Ù. ´ëÇб³¿¡¼ µé¾î¿Í¼ °è¼Ó °øºÎ¸¦ ÇÏ°Ú´Ù°í ¸¶À½ ¸Ô´Â ´ë´Â º°·Î ¿À·£ ½Ã°£ÀÌ °É¸®Áø ¾Ê¾Ò½À´Ï´Ù. 2000³âµµ¿¡ ±âÃÊ °úÇкηΠÀÔÇÐÇÏ¿© ÈÇаú¸¦ ¼±ÅÃÇÏ°í °øºÎÇÏ¸é¼ ¶§·Ð ÀÌÇØ°¡Áö ¾Ê°í ¾î·Á¿î À̷еµ ¸¹¾ÒÁö¸¸ °è¼ÓÇØ¼ Áö½ÄÀ» ½×¾Æ°¡´Â °ÍÀÌ Áñ°Å¿ü½À´Ï´Ù. ¸¹Àº »ç¶÷µéÀÌ Çѱ¹¿¡¼ ¾ÈÁ¤µÈ Á÷ÀåÀ» ¼±È£ÇÏÁö¸¸ Àú¿¡°Õ ¸ÅÀÏ ¹Ýº¹µÇ´Â ȸ»ç»ýȰÀÌ Á¦ Àû¼º¿¡ ¸ÂÁö ¾Ê´Â ´Ù´Â°ÍÀ» ´©±¸º¸´Ù Àß ¾Ë°í ÀÖ¾úÀ¸´Ï±î¿ä. Àú¿¡°Õ ¸ÅÀÏ »õ·Î¿î ³ª³¯À» º¸³¾¼ö ÀÖ´Ù´Â ¿¬±¸Á÷ÀÌ Æò»ý ÇÒÀÏ·Î ÀÚ¿¬½º·¹ ¹Þ¾ÆÁö°í ÁغñÇÏ°Ô µÇ¾ú½À´Ï´Ù. ¹°·Ð Çö½Ç¿¡¼± °è¼Ó ¹Ýº¹µÇ´Â ½ÇÇè°ú µ¥ÀÌŸ ºÐ¼®ÀÌ ÀÏ»óÀÌ µÇ´Â °ÍÀÌ ¿¬±¸¶ó´Â°ÍÀ» ÀÌÁ¨ ±ú´Þ¾ÒÁö¸¸ ¸»ÀÔ´Ï´Ù. ´ëÇб³¶§ ±×·± »ý°¢À» ÇÏ¸é¼ ¹Ì·¡¸¦ ÁغñÇÑ Àú´Â ÀÚ¿¬½º·¹ ±× ²ÞÀ» ÀÌ·ê¼ö Àִ ȯ°æÀ» ã¾Ò°í ¿©·¯ ±³¼ö´ÔµéÀÌ ±×·¯Çϼ̵í Çѱ¹º¸´Ù´Â ¹Ì±¹¿¡¼ °øºÎÇÏ´Â °ÍÀÌ ´õ ¸¹Àº ±âȸ¸¦ °¡Áú¼ö ÀÖ°í ´õ ³ªÀº ¼º°ú¸¦ ³¾¼ö ÀÖ´Ù°í ¸·¿¬ÇßÁö¸¸ ´ç¿¬ÇÏ°Ô ¹Ï¾ú½À´Ï´Ù. Áö±ÝÀº ÀúÈñ Çб³µµ ¸¹Àº ±³¼ö´Ô°ú ÇÔ²² ´Ù¾çÇÑ ºÐ¾ßÀÇ ¿¬±¸°¡ ÁøÇàµÇ°í ÀÖÁö¸¸ Á¦°¡ ¼®»ç °úÁ¤À» ÁøÇÐÇÏ´Â 2005³âµµ¸¸ ÇØµµ ¼±ÅÃÇÒ¼ö ÀÖ´Â ºÐ¾ß°¡ ÀÌ·¸°Ô ´Ù¾çÇÏÁö ¾Ê¾ÒÀ¸´Ï±î¿ä. ±×·¸°Ô ÇØ¼ À¯ÇÐ ÁغñÀÇ ¿¬ÀåÀ¸·Î ¹ÚÂù·® ±³¼ö´Ô ¹Ø¿¡¼ ¼®»ç°úÁ¤À» ¸¶Ä¡°í À¯Çб濡 ¿À¸£°Ô µÇ¾ú½À´Ï´Ù.
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Holten¡¯s group has been studying electron and photophysical characteristics of tetrapyrrole, (Porphyrin, Chlorin, and Bacteriochlorins) macrocycles. In this group, I¡¯m especially researching electron and photophysical properties of synthetic bacteriochlorins which is tetrapyrrole macrocyles with two reduced pyrrole ring and has strong absorption band in near infrared regions (NIR). These features of bacteriochlorins render a wide variety of photochemical studies including artificial photosynthesis, photodynamic therapy (PDT), optical imaging and bioinspired and biohybid photosynthetic solar-conversion systems.
![]() Figure 1 provide synthetic bacteriochlorins bearing diverse substituents at 2,3,5, 12,13 positions and electronic ground-state absorption and fluorescence spectra. Figure 2 describe energies and electron-density distribution of the frontier MOs and analogous plots for energy of MOs and absorption Qy band. The relationships between structure/MOs and spectral/photophysical properties provide a foundation for the design of extended analogues with desired properties.
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