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2019 Vol.29, Issue 3 Preview Page
Flexible Dye-sensitized Solar Cell Using Titanium Gel at Low Temperature

저온 티타늄 겔을 이용한 플렉시블 염료감응형 태양전지

Seung Hwan Ji
,
Hyunsu Park
,
Doyeon Kim
,
Do Hyung Han
,
Hye Won Yun
,
Woo-Byoung Kim†
지 승환
,
박 현수
,
김 도연
,
한 도형
,
윤 혜원
,
김 우병†
Department of Energy Engineering, Dankook University, Cheonan-si 31116, Republic of Korea
단국대학교 에너지공학과
†Corresponding author E-Mail : woo7838@dankook.ac.kr (W.-B. Kim, Dankook Univ.)
March 2019. pp. 183-188
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Abstract

Flexible dye-sensitized solar cells using binder free TiO2 paste for low temperature sintering are developed. In this paste a small amount of titanium gel is added to a paste of TiO2 nanoparticle. Analysis of titanium gel paste prepared at 150 °C shows that it has a pure anatase phase in XRD and mesoporous structure in SEM. The formation of the titanium gel 1- 2 nm coated layer is confirmed by comparing the TEM image analysis of the titanium gel paste and the pristine paste. This coating layer improves the excited electron transfer and electrical contact between particles. The J-V curves of the organic binder DSSCs fabricated at 150 °C shows a current density of 0.12 mA/cm2 and an open-circuit voltage of 0.47 V, while the titanium gel DSSCs improves electrical characteristics to 5.04 mA/cm2 and 0.74 V. As a result, the photoelectric conversion efficiency of the organic binder DSSC prepared at low temperature is as low as 0.02 %, but the titanium gel paste DSSCs has a measured effciency of 2.76%.

Keywords
dye-sensitized solar cells
TiO2
titanium gel
flexible DSSCs
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Information
  • Publisher :Materials Research Society of Korea
  • Publisher(Ko) :한국재료학회
  • Journal Title :Korean Journal of Materials Research
  • Journal Title(Ko) :한국재료학회지
  • Volume : 29
  • No :3
  • Pages :183-188
  • Received Date : 2018-12-06
  • Revised Date : 2018-12-06
  • Accepted Date : 2019-01-18
  • DOI :https://doi.org/10.3740/MRSK.2019.29.3.183
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