Pure anatase TiO2 “nanoglue”: An inorganic binding agent to improve nanoparticle interconnections in the low-temperature sintering of dye-sensitized solar cells
- Pure anatase TiO2 “nanoglue”: An inorganic binding agent to improve nanoparticle interconnections in the low-temperature sintering of dye-sensitized solar cells
- 리위롱; 이원주; 이도권; 김경곤; 박남규; 고민재
- dye-sensitized; low-temperature sintering; nanoglue; interconnection; TiO2
- Issue Date
- Applied physics letters
- VOL 98, NO 10, 103301-1-103301-3
- An interparticle-binding agent, or “nanoglue,” was prepared for the fabrication of
well-interconnected TiO2 photoelectrodes in dye-sensitized solar cells DSSCs sintered at low
temperature. This nanoglue consisted of pure anatase particles approximately 5 nm in diameter
dispersed in alcoholic solvent. When mixed with TiO2 particles 21 nm in diameter, the nanoglue
induced interparticle chemical bridging via the condensation of hydroxyl groups on surfaces of TiO2
particles. The efficiency of nanoglue-based DSSCs was improved by approximately 25% compared
to non-nanoglue-based DSSCs. This improvement was mainly ascribed to enhanced interparticle
connections due to the presence of the 5 nm TiO2 particles in nanoglue.
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