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학술지 Chemical Sintering of Nanoparticles: A Methodology for Low-Temperature Fabrication of Dye-Sensitized TiO2 Films
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저자
박남규, 김광만, 류광선, 강만구, 장순호, 신유주
발행일
200510
출처
Advanced Materials, v.17 no.19, pp.2349-2353
DOI
https://dx.doi.org/10.1002/adma.200500288
협약과제
05MB1500, 차세대 PC용 이오닉스 소자 개발(리튬금속 고분자 2차전지 기술개발), 류광선
초록
The binder-free TiO2 pastes that have been developed using acid-base chemistry were reported. The TiO2 were found to exhibit viscosity as high as 5.3×104 cP, which enabled the formation of thick TiO2 films without requiring the thermal sintering effect. IPCE was measured as a function of wavelength from 400 to 800 nm using a specially designed IPCE system for dye-sensitized solar cells. It was observed that the high frequency semi-circles become featureless due to poor electrical contact between the particles in the TiO2 network.
KSP 제안 키워드
Acid-base chemistry, Dye-sensitized solar cells(DSCs), High Frequency(HF), Low temperature(LT), Low temperature fabrication, Sensitized TiO2, Sintering effect, Thermal sintering, binder-free, chemical sintering, electrical contact