Proceedings of International Conference Asia-Pacific Hybrid and Organic Photovoltaics 2018 (AP-HOPV18)
Publication date: 27th October 2017
Dye-sensitized solar cells (DSSCs) based on dye-adsorbed nanoporous titanium oxide are considered to be promising alternatives to conventional silicon solar cells because of its low production. In this study, we fabricated successfully binder-free TiO2 pastes using TiO2 composites by hydrothermal method. Three kinds of TiO2 paste solutions on different TiO2 concentrations were prepared using acetylacetone, 2-propanol, and water. Then an additional 20 nm TiO2 powder were mixed by continuous stirring to form a homogeneous viscous TiO2 paste. Thickness of 6 um of the TiO2 paste was spread on FTO glass by the doctor blade method, followed by sintering a 150 oC. The characterizations of TiO2 pastes were investigated by TEM, XRD, and BET. And, the morphologies and thickness of TiO2 films from TiO2 pastes were measured by SEM. The light interference characterization of TiO2 film were investigated by UV-VIS spectrometer. The crack-free TiO2 film after the low-temperature sintering process were obtained using the mixed solvent of 2,4-pentanedione/2-propanol. The binder-free mixed solvent provided the stabilized dispersion state and the surface charge on the TiO2 nanoparticles. The solar cell performances of flexible DSSCs using binder-free TiO2 paste were investigated by Solar simulator in standard conditions.
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International Conference on Hybrid and Organic Photovoltaics
International Conference on Hybrid and Organic Photovoltaics (HOPV) is celebrated yearly in May. The main topics are the development, function and modeling of materials and devices for hybrid and organic solar cells. The field is now dominated by perovskite solar cells but also other hybrid technologies, as organic solar cells, quantum dot solar cells, and dye-sensitized solar cells and their integration into devices for photoelectrochemical solar fuel production.
Asia-Pacific International Conference on Perovskite, Organic Photovoltaics and Optoelectronics
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