[ 화학 ] 과학고 R&E 결과보고서 유기태양전지의전자이동현상에관한 광 전기화학적특성연구 연구기간 : 2013. 3. 1 ~ 2014. 2. 28 연구책임자 : 이재관 ( 조선대화학교육전공 ) 지도교사 : 임웅묵 ( 전남과학고화학과 ) 참여학생 : 강영훈 ( 전남과학고 1학년 ) 김동환 ( 전남과학고 1학년 ) 박문수 ( 전남과학고 1학년 ) 서용완 ( 전남과학고 1학년 ) 지창원 ( 전남과학고 1학년 )
ㅇ (Dye-Sensitized Solar Cell, DSSC) IMVS(Intensity Modulated Photovoltage Spectro- scopy) (Organic Solar Cell, OPV) I-V (I-V Curve). ㅇ (Intensity Modulated Photovoltage Spectroscopy) 3 I-V (I-V Curve). ㅇ IMVS(Intensity Modulated Photovoltage Spectro- scopy) I-V (I-V Curve). ㅇ (Organic Solar Cell, OPV) I-V (I-V Curve) Fill Factor. ㅇ (Dye-Sensitized Solar Cell, DSSC) IMVS(Intensity Modulated Photovoltage Spectro- scopy) (Electron Recombination Time, ). ㅇ (Organic Solar Cell, OPV) (Electron Recombination Time, ),,. ㅇ (Organic Solar Cell, OPV) ㅇ I-V (I-V Curve) ㅇ Current Voltage Fill Factor, ( ) ㅇ IMVS(Intensity Modulated Photovoltage Spectroscopy) ㅇ (Electron Recombination Time, )
1. (Dye- Sensitized Solar Cell, DSSC) (Organic Solar Cell, OPV) 2. (TCO),,,, Laser.,,. 3, 1 P-N.. 2, groupⅢ-Ⅴ 1 1/100,.. 3,, 1 1kW 1/2~1/3,,,.,
. IMPS(Intensity Modulated Photocurrent Spectroscopy) IMVS(Intensity Modulated Photovoltage Spectroscopy).. IMVS..., P3HT/PCBM. IMVS (Electron Recombi- nation Time, )., R&E. 2. 1. (Organic Solar Cell, OPV) (Organic Solar Cell, OPV) (Spin coating), (Roll-to-Roll), (Ink-jet).. (Organic Solar Cell, OPV) (Organic Solar Cell, OPV) (Conventional OPV) (Inverted OPV).
, ITO,. ITO(Indium Tin Oxide) PEDOT:PSS ( ) PCBM,. PEDOT:PSS ITO. PEDOT:PSS,.. (Organic Solar Cell, OPV) (Organic Solar Cell, OPV) 5.
(1). (2). (3). (4) P -N. (5). 2. - (I-V Curve) (Dye-Sensitized Solar Cell, DSSC) - (I-V). (V oc ) (I sc ) I = 0 ma V = 0 V, (V max ) (I max ) I-V (P max ).., Current Voltage Fill Factor(FF) (η). m ax m ax Current Voltage Fill Factor (V max I max ) V oc I sc. Current Voltage Fill Factor -. I sc V oc FF. P, S (100 mw/cm 2 ).
3. IMVS (Intensity Modulated Photovoltage Spectroscopy) (Dye-Sensitized Solar Cell, DSSC) IMVS (Intensity Modulated Photovoltage Spectroscopy).,. IMVS (Electron Recombination time, τ r ). (Diffusion Coefficient, D n ), (Diffusion Length, L n ). m in ( m in IMVS.)
1. 1. (Organic Solar Cell, OPV). P3HT/PCBM. I-V, (Dye-Sensitized Solar Cell, DSSC) IMVS(Intensity Modulated Photovoltage Spec -troscopy) (Electron Recombination Time, ). ( ), I-V IMVS. 2. 1. 1 (Organic Solar Cell, OPV) 80, 120, 140 3 (Dye Sensitized Solar Cell, DSSC) IMVS(Intensity Modulated Photovoltage Spectroscopy). IMVS. ITO(Indium Tin Oxide) (Ultrasonication) 80. 10 ( ) PEDOT:PSS (Spin coating). PEDOT:PSS
140 10. (Glove box) P3HT/PCBM. torr ~140nm. ( ). (Hot plate) 80, 120, 140 10. I-V (I-V Curve), IMVS, I-V.
1. 1. (Organic Solar Cell, OPV) I-V (I-V Curve). (Organic Solar Cell, OPV) 2 2 3 (80, 120, 140 ) I-V (I-V Curve). HS Technologies Solar simulator, 1 Sun..
Current Voltage Fill Factor. Current Voltage Fill Factor. 2. IMVS(Intensity Modulated Photovoltage Spectroscopy) 2 2 (Organic Solar Cell, OPV) I-V (I-V Curve) (Dye-Sensitized Solar Cell, DSSC) IMVS(Intensity Modulated Photovoltage Spectroscopy). I-V (I-V Curve), LED 0.8V. 8000 ~ 10 Hz 5 (0.0018, 0.0015. 0.0012. 0.00105. 0.0009 ma).
3. (Organic Solar Cell, OPV). (Electron Recombination Time, ) 140 (Organic Solar Cell, OPV) P -N,.,.. I-V (I-V Curve) Current Voltage Fill Factor,.,.,,
,,.,, IMVS.
1. 1. (Organic Solar Cell, OPV).,. (Dye-Sensitized Solar Cell, DSSC) IMVS(Intensity Mo- dulated Photovoltage Spectroscopy). IMVS. (Dye-Sensitized Solar Cell, DSSC) IMVS (Electron Recombination Time, ) I-V (I-V Curve) AFM(Atomic Force Microscope),.
(Organic Solar Cell, OPV),. AFM(Atomic Force Microscope). (Dye-Sensitized Solar Cell, DSSC) IMVS(Intensity Modulated Photovoltage Spectroscopy) (Electron Recombination Time, )., IMVS.
Study on Photo-Electrochemical Analysis for Electron-Transport Characteristics in Organic Solar Cells ( 1, dudgns1675@naver.com) ( 1, 0480kdw@naver.com) ( 1, pms807@daum.net) ( 1, dyddhks97@hotmail.co.kr) ( 1, changwonji@nate.com) : (, wmook@hanmail.net) : (, chemedujk@chosun.ac.kr) Ⅰ.. (Dye-Sensitized Solar Cell, DSSC) (Organic Solar Cell, OPV) 2. (Organic Solar Cell, OPV) (TCO),,,, Laser (Organic Solar Cell, OPV). (Organic Solar Cell, OPV),
,. (Organic Solar Cell, OPV).. (Dye-Sensitized Solar Cell, DSSC) IMVS(Intensity Modulated Photovoltage Spectroscopy)., R&E. Ⅱ.. P3HT/PCBM (Dye-Sensitized Solar Cell, DSSC) IMPS IMVS. (Organic Solar Cell, OPV). 1. ITO ITO,. (1) ITO. (2), 30. (3) 80.
2. PEDOT P3HT/PCBM Spin coating. ITO P3HT/PCBM PEDOT. ITO PEDOT P3HT/PCBM Spin coating. P3HT PCBM 1:0.8. Glove box. (1) P3HT : PCBM = 1:0.8 10ml. (2) P3HT/PCBM 20 60. (3) ITO 10 ( ) 4000rpm 40 PEDOT. (4) PEDOT ITO 140 10. (5) ITO Glove box 800 rpm 40 P3HT/PCBM. (6) P3HT/PCBM 5. (7) 60 10. 3. (Al) ITO (Anode), (Al) (Cathode). 5 (Al), (Al). (1) Spin coating (Cathod) (Al) ㄱ. (2) (Al). (3) ~ atm (Al).
4. P3HT/PCBM. 80, 120, 140 3. (1) Glove box hot plate 80, 120, 140. ( hot plate.) (2) Hot plate 10. 5. I-V IMVS(Intensity Modulated Photovoltage Spectroscopy) (Dye Sensitized Solar Cell, DSSC) IMVS (Organic Solar Cell, OPV). (1) I-V IMVS.
Ⅲ. (Organic Solar Cell, OPV) I-V (I-V Curve) IMVS(Intensity Modulated Photovoltage Spectroscopy). I-V (I-V Curve) Current Voltage Fill Factor. Current Voltage Fill Factor. IMVS.
Ⅳ. (Organic Solar Cell, OPV). (Dye-Sensitized Solar Cell, DSSC) IMVS(Intensity Modul- ated Photovoltage Spectroscopy) (Recom- bination Time, ). IMVS., IMVS. Current Voltage Fill Factor Current Voltage Fill Factor..,. I-V IMVS. AFM(Atomic Force Microscope).. R&E IMVS. Ⅴ. 1. Wanli Ma, Cuiying Yang, Xiong Gong, Kwanghee Lee, Alan J.Heeger*, Advanced Functional Materials, 2005, 15, 1617-1622 2.,,,, 2011-7, 6-17 3., *,, 2012