| 학회 |
한국고분자학회 |
| 학술대회 |
2007년 가을 (10/11 ~ 10/12, 일산킨텍스) |
| 권호 |
32권 2호 |
| 발표분야 |
분자전자 소재 및 소자 기술(분자전자 부문위원회) |
| 제목 |
Inverse opal structure electrode using high-dispersed TiO2 nano-particles for dye-sensitized solar cells. |
| 초록 |
DSSC systems based on highly porous nanocrystalline films of TiO2 attracts considerable technological interest because of their demonstrated high-energy conversion efficiency, low production cost. One of the strategies to improve conversion efficiencies is to increase light-to-electricity efficiency by increasing the amount of dye in the electrodes using layered titanate of much larger surface area than conventional TiO2 particles. In this study, we discuss dye-sensitized solar cells based on inverse opal titanium dioxide films. Inverse opal TiO2 films with thicknesses of 12 was deposited using self-assembled of latex spheres with diameters of 200nm or 500nm or 1μm, respectively. The interstitial voids between the spheres are filled with well-dispersed TiO2 nanoparticles and a subsequent heat treatment yields a highly organized porous structure. Our studies show that these cells have much higher efficiency than ever reported up to now for DSSCs with inverse opal structure. |
| 저자 |
곽은식1, 김중현1, 김준경2, 이현정2
|
| 소속 |
1연세대, 2한국과학기술(연) |
| 키워드 |
Inverse opal; DSSC; latex sphere
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| E-Mail |
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