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��� �쟾�옄 �쟾�씠(transition)�쓽 議곌굔���?
• �씠以묎껐�빀臾쇱쭏(C=C), �궪以묎껐�빀臾쇱쭏(C�돘C), 湲곕뒫湲�(fun-ctional group)瑜� �룷�븿�븯�뒗 臾쇱쭏��� �쟾�옄(electron)瑜� �씉�닔�븯�뒗 諛쒖깋�떒(Chromophore)�씠 議댁옱�븯誘�濡� 遺꾩꽍�씠 媛��뒫�븿
• functional group : -OH, -NH3, -COOH, -NO2, -C-, -CN, -O- O
...
(1) ��, n, ��-�쟾�옄�쓽 �쟾�씠
‧ �쑀湲고솕�빀臾쇱뿉�꽌 �씪�뼱�궓
‧ �쑀湲고솕�빀臾쇱쓽 �뿀�슜�맂 �쟾�옄�쟾�씠:
��-�쟾�옄, ��-�쟾�옄, non-bonding �쟾�옄(n-�쟾�옄)
(�삁) �껉껐�빀
CH3 - C - CH = CH2
�닪 ��寃고빀
:O:
鍮꾧났�쑀�쟾�옄�뙇, non-bonding �쟾�옄
��� 4媛�吏� �삎�깭�쓽 �쟾�씠媛� �뿀�슜 媛��뒫�븿
�� �넂 ��* ( �� bonding �넂 �� antibonding )
�� �넂 ��* (�� bonding �넂 �� antibonding )
n �넂 ��* ( non-bonding �넂 �� antibonding )
n �넂 ��* ( non-bonding �넂 �� antibonding )
...
1-2-3. 諛쒖깋�떒(Chromophore)
• 遺덊룷�솕 寃고빀�쓣 �룷�븿�븯�뒗 �씉愿� �썝�옄�떒�쑝濡쒖꽌 �쟾�옄�쟾�씠瑜� �씪�쑝�궎�뒗 �썝�옄�떒(functional group)
• 諛쒖깋�떒 二쇱쐞�뿉 遺덊룷�솕 寃고빀�씠 而⑥�ш쾶�씠�뀡(conjugation)�쓣 �씠猷� 寃쎌슦 理쒕���씉�닔�뙆�옣(貫max )�씠 �옣�뙆�옣 履쎌쑝濡� �씠�룞(red shift)
*conjugation : �씠以묎껐�빀�씠 吏앹���뼱 �굹����궇�븣
- C = C – C = C – C = C -
...
1-3-1. 愿묒썝(light source): lamp
(1) �닔�냼諛⑹쟾愿� - 洹쇱옄�쇅�꽑 �뙆�옣 (165節�375nm 遺�洹�)
(2) 以묒닔�냼諛⑹쟾愿� - 洹쇱옄�쇅�꽑, 媛��떆愿묒꽑 �뙆�옣 (190節�820nm�쓽 �쟾 �쁺�뿭) - 鍮쏆쓽 �꽭湲곌�� �닔�냼諛⑹쟾愿�蹂대떎 3節왿��(�깮�왂)
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�옄�쇅�꽑 - 媛��떆愿묒꽑 遺꾧킅愿묐룄踰�.ppt
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