[ 화학 ] 과학고 R&E 결과보고서 나노입자의표면증강을이용한 태양전지의효율증가 연구기간 : 2013. 3 ~ 2013. 12 연구책임자 : 김주래 ( 서울과학고물리화학과 ) 지도교사 : 참여학생 : 원승환 ( 서울과학고 2학년 ) 이윤재 ( 서울과학고 2학년 ) 임종찬 ( 서울과학고 2학년 ) 소재원 ( 서울과학고 2학년 )
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3 1.. Cold colloid, Hot colloid..[4]. 2. TiO 2 TiO 2.,,. 3. TiO 2. N-719, KI/I - 3..[5,6,7] 4. /TiO 2,. 5.,.
6 7 ( ) : ( 2, tmdghks314@naver.com) ( 2, minicar96@naver.com) ( 2, dlscjfjw96@naver.com) ( 2, 9yoonjae@naver.com) : (, jurae.kim@gmail.com).. DSSC DSSC gold silver colloid TiO paste TiO paste nano particle., gold colloid silver colloid DSSC 5.46%, 7.15% nano particle DSSC 5.42%. Ⅰ....,.. DSSC dye. Ⅱ. 1.. DSSC DSSC Dye Sensitized solar cell,. DSSC., TiO. TiO, m.
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3 V oc, J sc, V m p, J m p FF (3) Solar simulator DSSC 1 Sun. I cal cm min TiO cm J cm s.. V oc J sc FF V oc J sc FF 2.. Colloid (1) Cold Colloid 3. mm ml, mm NaBH ml. NaBH. AgNO NaBH 1 : 3. ( AgNO ml, NaBH ml.), NaBH 3 NaBH 3... colloid 4, 5. silver colloid. colloid. UV-Vis spectrophotometer. (2) Hot Colloid mm ml, mm HAuCl ml, mm sodium citrate ml. sodium citrate 1 : 1, HAuCl sodium citrate 1 : 1 cold colloid. gold silver. Gold silver. gold colloid, silver colloid. colloid. UV-Vis spectrophotometer. (3) colloid ( ) (1), (2) colloid ml (6000rpm). (4) colloid (oven ) (1), (2) colloid petri dish.
. DSSC 4 TiO 5 (1) TiO FTO glass mm mm. mm mm TiO paste. TiO paste paste paste doctor blade. TiO. TiO TiO. ( ) N : TiO paste cell. ( ) G : TiO paste gold colloid dropping colloid cell. Colloid doctor blade TiO paste colloid heat gun. ( ) S : TiO paste silver colloid dropping colloid cell 6. Colloid doctor blade TiO paste colloid heat gun. ( ) MG : gold colloid TiO paste cell 7, 8. ( ) MS : silver colloid TiO paste cell TiO paste Furnace 6 40,. TiO mm dye solution 12 TiO dye. (2). FTO. mm H PtCl. Furnace 2 20,. (3) TiO mm mm polymer FTO. FTO TiO FTO TiO polymer DSSC., TiO N, G, S, MG, MS 5. 2.3 Solar simulator DSSC solar simulator open DSSC V oc, J sc, V m p, J m p.
V oc, J sc, V m p, J m p. Ⅲ. 1.. Colloid DSSC silver colloid gold colloid hot colloid.. 6 Gold Silver colloid. Normal DSSC TiO Normal DSSC. Solar simulator cell fill factor. 4 Normal Cell #1 5 Normal Cell #2 6 Normal Cell #3 V oc 0.508 J sc 0.270 V m p 0.335 J m p 0.182 FF 0.445 V oc 0.098 J sc 0.065 V m p 0.052 J m p 0.032 FF 0.261 V oc 0.382 J sc 0.208 V m p 0.238 J m p 0.137 FF 0.410. Gold & silver nanoparticle DSSC (1) DSSC fill factor Solar simulator DSSC fill factor.
7 cell V oc, J sc, V m p, J m p FF # V oc J sc V m p J m p FF N 0.694 4.372 0.474 3.797 0.593 G #1 0.236 1.279 0.128 0.743 0.315 S1 #1 0.087 0.061 0.050 0.035 0.330 S2 #1 0.278 0.444 0.180 0.271 0.395 MG 0.760 3.162 0.568 2.793 0.660 MG 1' #1 0.694 3.631 0.504 3.055 0.611 MG 1' #2 0.684 3.653 0.495 3.072 0.612 MG 1' #3 0.680 3.625 0.500 3.026 0.614 MG 1' avg 0.686 3.636 0.501 3.051 0.612 MG 2' #1 0.724 3.709 0.490 3.026 0.552 MG 2' #2 0.720 3.708 0.492 3.021 0.557 MG 2' #3 0.714 3.679 0.500 2.957 0.563 MG 2' avg 0.719 3.699 0.494 3.001 0.557 MS 2 #1 0.684 2.630 0.502 2.052 0.573 MS 2 #2 0.680 2.665 0.486 2.120 0.569 MS 2 #3 0.668 2.636 0.494 2.014 0.565 MS 2 avg 0.677 2.644 0.494 2.062 0.569 MS 3 #1 0.716 3.993 0.520 3.369 0.613 MS 3 #2 0.710 4.033 0.510 3.432 0.611 MS 3 #3 0.706 4.019 0.514 3.366 0.610 MS 3 avg 0.711 4.015 0.515 3.389 0.611 (2) DSSC fill factor cell N, MG 2, MS 3. N, MG 2, MS 3 effective area photoshop, effective area. 7 N 8 MG 2 9 MS 3 N, MG 2, MS 3 effective area. 8 N, MG 2, MS 3 effective area cell N MG 2 MS 3 effective area (cm ) 0.24 0.20 0.18 Effective area DSSC.
10 Effective area cell cell. 9 effective area cell Cell N MG 2 MS 3 V oc 0.692 0.719 0.711 J sc 17.3 18.5 22.3 V m p 0.492 0.492 0.512 J m p 14.9 15.1 18.9 Fill Factor 0.612 0.557 0.610 (%) 5.42 5.46 7.15, nano particle TiO MG 2 MS 3 N. 2. DSSC V m p. TiO. DSSC Fill Factor, DSSC DSSC. Fill Factor. Fill Factor Fill Factor TiO DSSC. TiO. DSSC DSSC effective area. TiO TiO. TiO TiO,. photoshop DSSC effective area, DSSC. Fill Factor, DSSC Fill Factor DSSC DSSC.
SPR DSSC. Ⅳ., TiO paste silver gold colloid TiO paste MG 2 MS 3 N. TiO paste nano particle DSSC. DSSC. Ⅴ. 1. D. Zhang, et al. Enhanced performance of dye-sensitized solar cells using gold nanoparticles modified fluorine tin oxide electrodes Journal of Physics D: Applied Physics 46 (2013) 2. M. Rashadm et al. Enhancement of TiO nanoparticle properties and efficiency of dye-sensitized solar cells using modifiers Appl. Nanosci 3 (2013): 167-174 3. Manabu Ihara, et al. Photoabsorption-enhanced dye-sensitized solar cell by using localized surface plasmon of silver nanoparticles modified with polymer Physica E. 42 (2010): 2867-2871 4. Evanoff, David D., and George Chumanov. Synthesis and optical properties of silver nanoparticles and arrays. ChemPhysChem 6.7 (2005): 1221-1231 5. Kelly, K. Lance, et al. The optical properties of metal nanoparticles: the influence of size, shape, and dielectric environment. The Journal of Physical Chemistry B 107.3 (2003): 668-677 6. Qiong Wang, et al. Enhanced performance of dye-sensitized solar cells by doping Au nanoparticles into photoanodes: a size effect study Journal of Materials Chemistry A, 1, 13524 (2013) 7. Changwoo Nahm, et al. The effects of 100nm-diameter Au nanoparticles on dye-sensitized solar cells Applied Physics Letters 99, 253107 (2011) 8. Stacey D. Standridge, et al. Toward Plasmonic Solar Cells: Protection of Silver Nanoparticles via Atomic Layer Deposition of TiO Langmuir 25 (2009): 2596-2600