Journal
APPLIED SURFACE SCIENCE
Volume 496, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.apsusc.2019.143646
Keywords
Titania aerogel; Ni-MOF; Photoanode; Energy
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Funding
- DST-SERB project, Govt. of India [EMR/2014/000416]
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Three-dimensional mesoporous TiO2-Ni-MOF composite aerogels were synthesized via sol-gel route and used as photoanode materials for quasi-solid dye-sensitized solar cell (QSDSC) applications. The assessment of their photovoltaic performance revealed an enhancement compared to pure aerogel-based QSDSCs; the maximum photo-conversion efficiency of the fabricated photoanode was 8.846% for 0.5% composite aerogel, which is similar to 30% higher than that of pure aerogel-based ones (6.805%). The achievement of other key factors required for efficiency enhancement such as increased photocurrent density, reduced charge-transfer resistance, and suppressed electron recombination was confirmed by photocurrent density-applied voltage curves and electro-chemical impedance measurements. The surface area of the composite aerogels ranged between 269 and 233 m(2) g(-1), which make them promising candidates for high-efficiency QSDSCs.
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