| 학회 |
한국고분자학회 |
| 학술대회 |
2008년 가을 (10/09 ~ 10/10, 일산킨텍스) |
| 권호 |
33권 2호 |
| 발표분야 |
분자전자소재 및 소자기술의 현황(분자전자 부문위원회) |
| 제목 |
Carbon Nanotube based Counter Electrode for Dye-sensitized Solar Cells |
| 초록 |
This study is to show the reaction of sp2-hybridized carbons of carbon nanotube with poly(sodium styrenesulfonate) chains terminated with the 2,2,6,6-tetramethylpiperidinyl-1-oxyl radical-stabilizing group. Upon heating, polymeric radicals that are reactive towards the surface of carbon nanotube are released. Modified carbon nanotube showed good dispersion in water. Electrospray coated poly(sodium styrenesulfonate) modified carbon nanotube (CNT-PSSNa) film on fluorine-doped tin oxide glass substrate has been investigated as a counter electrode for tri-iodide reduction in dye-sensitized solar cells. The sheet resistance of CNT-coated layer on FTO glass was measured as the value of 23.64 Ω/cm2 by 4-point probe method. The photovoltaic parameters, in particular, the energy conversion efficiency shows a dependency on the film thickness of modified multi-wall CNTs. Under one sun illumination (100mW/cm2, AM 1.5 G), the device shows a maximum energy conversion efficiency of 5.13%. |
| 저자 |
한진규1, 차민환1, 김동영2, 장성연2, 조성무2
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| 소속 |
1서울시립대, 2한국과학기술(연) |
| 키워드 |
Dye-sensitized Solar Cells; multi-wall carbon nanotubes; counter electrode
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| E-Mail |
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