Performance Enhancement
of Dye-Sensitized Solar Cell Using
Extracted Photo-Sensitized Organic
Molecules in Addition with Dielectric
Nanomaterial
Argha Dey, Subhasis Roy, and Sourav Mondal
Abstract This research work illustrates the improvement in performance study of
dye-sensitized solar cell (DSSC) in the presence of dielectric nanoparticles coupled
with TiO 2 mesoporous film. Lanthanum-doped lead titanate (PLT15) was the chosen
dielectric material used for this due to its strong field–effect passivation, screened
columbic attraction, back reflector, and recombination inhibitor for solar cell. Natural
dye extracted by a three-step drying and grinding process followed by solvent extraction from carrot is, namely, carotene. Postfiltration, the solution underwent through
various absorption media for better purification. The synthesized dielectric nanoparticles were introduced into the TiO 2 matrix and coated on the FTO glass substrate
by doctor blading technique followed annealing, and then dye depositional process
was performed by dipping TiO 2 –PLT15-coated FTO glass in extracted organic dye
solution for overnight. UV–Vis, FTIR spectroscopy, and SEM tools were used for the
characterization of dyes. Finally the electrical performance of the fabricated cell was
analyzed under simulated AM 1.5G solar illumination using 100 mW/cm
2 power.
Keywords Thin film · Dielectric · Natural dyes · Extraction · Nanoparticles
1 Introduction
Sun being the easily available renewable energy resource, energy is cultivated from
sunlight. The performance of DSSC is dependent on the photosensitization process
within the dyes in presence of mesoporous metal oxide semiconductors having
A. Dey · S. Roy (B) · S. Mondal
Department of Chemical Engineering, University of Calcutta, 92 A. P. C. Road, Kolkata 700009,
India
e-mail: srchemengg@caluniv.ac.in
A. Dey
e-mail: deyargha11@gmail.com
S. Mondal
e-mail: mondalsourav939@gmail.com
© Springer Nature Singapore Pte Ltd. 2021
D. Ramkrishna et al. (eds.), Advances in Bioprocess Engineering and Technology,
Lecture Notes in Bioengineering,
https://doi.org/10.1007/978-981-15-7409-2_41
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