[ ½Ç Çè Á¦ ¸ñ ]
À¯±â žçÀüÁöÀÇ Á¦ÀÛ ¹× ÃøÁ¤ (Fabrication of Organic Solar Cell and It`s Measurement )
[ ½Ç Çè ¸ñ Àû ]
1. ´ëÇ¥ÀûÀÎ À¯±â¹ÝµµÃ¼ ¼ÒÀçÀÎ p-Çü Æú¸®(3-Çí½Ç)Ƽ¿ÀÆæ, poly(3-hexyl thiophene)°ú n-Çü Ç÷¯·» À¯µµÃ¼, phenyl-C61-butyric acid methyl ester(PCBM)¸¦ ÀÌ¿ëÇÑ À¯±âžçÀüÁöÀÇ ¼Ò°³, ¥ð-°ø¾×±¸Á¶ ¹× ÀüÇÏÀ̵¿ ¸ÞÄ¿´ÏÁò, ±¤±âÀü·Â È¿°ú(photovoltaic effect)¸¦ ÀÌÇØÇÑ´Ù.
2. À¯±âžçÀüÁö È¿À²¿¡ ÀÖ¾î ¹úÅ© ÀÌÁ¾Á¢ÇÕ(bulk heterojunction, BHJ)¿Í 2Ãþ(bi-layer)±¸Á¶ÀÇ Â÷ÀÌÁ¡À» ÀÌÇØÇÑ´Ù.
3. À¯±â žçÀüÁö¸¦ Á¦ÀÛÇÏ°í, Àü·ù-Àü¾Ð ÃøÁ¤À» ÅëÇÏ¿© ±¸µ¿¿ø¸® ¹× Ư¼ºÀ» ÀÌÇØÇÑ´Ù.
[ ½ÇÇè±â±¸ ¹× ½Ã¾à ]
1. ½ÇÇè µµ±¸
ITO coated Glass(2¡¿2cm2), ¼¼Ã´¿ë-zig, 600ml beaker, bath, Tweezers, Petri-dishes, 5ml vial, Stirring bar, 1.0¥ìm PTFE syringe filter, Needle, Micro-pipette, ÁõÂø¿ë Al, Àü±ØÁõÂø¿ë mask, Spatula, Imide tape,
2. ½Ã¾à
15mg P3HT, 15mg PCBM, 3ml Dichlorobenzene, PEDOT:PSS, Toluene, Mucasol, Acetone, 2-propanol, Etching Soluti¡¦(»ý·«)
4. PEDOT:PSS ¹Ú¸· ³» ÀÜ·ù ¼öºÐ Á¦°Å¸¦ À§ÇØ 100 oC Áø°ø¿Àºì¿¡¼ 1½Ã°£µ¿¾È °ÇÁ¶½ÃŲ´Ù.
5. °ÇÁ¶µÈ PEDOT:PSS/ITO/glass À§·Î dichlorobenzene(DCB)¿¡ ³ìÀÎ 2 vol% P3HT:PCBM(50/50) ¿ë¾×¸¦ ¸¶ÀÌÅ©·ÎÇÇÆêÀ» ÀÌ¿ëÇÏ¿© ¶³¾î¶ß¸° ÈÄ, ¿ë¾× ½ºÇÉÄÚÆà ¹æ¹ýÀ» ÅëÇÏ¿© Çʸ§À» Çü¼º½ÃŲ´Ù.
6. P3HT/PCBM Çʸ§ À§·Î shadow(½¦µµ¿ì) ¸¶½ºÅ©¸¦ À§Ä¡½ÃŲ ÈÄ, ÁõÂø±â¸¦ ÀÌ¿ëÇÏ¿© »óºÎ 100nm µÎ²²ÀÇ Al Àü±ØÀ» Çü¼º½ÃÄÑ À¯±âžçÀüÁö ¼ÒÀÚ¸¦ ¿Ï¼º½ÃŲ´Ù.
7. Á¦ÀÛµÈ À¯±âžçÀüÁöÀÇ Å¾籤 À¯/¹«¿¡ µû¸¥ Àü·ù-Àü¾Ð Ư¼ºÀ» ÃøÁ¤ÇÑ´Ù.
8. ¿Ï¼ºµÈ À¯±âžçÀüÁöÀÇ Àü·ù-Àü¾Ð °î¼±À» ÃøÁ¤ÇÑ´Ù.
a) ¾Ï»óÅ¿¡¼ ¸í»óÅ¿¡¼ÀÇ ±×·¡ÇÁº¯È
b) I-V°î¼±¿¡¼ Isc¿Í Voc°ªÀÇ ¼³Á¤
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