Page 92 - Abstract book - TJSSF-2020

Thailand – Japan Student Science Fair 2020 (TJ-SSF 2020)
“Seeding Innovations through Fostering Thailand – Japan Youth Friendship”

The pigment with the Highest Electricity-Generating potential

Ayu Abe , Ako Sato
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Miori Nambu , Misaki Maita
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Advisors: Michie Nagata , Koichi Mukasa
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Sapporo Kaisei Secondary School
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Abstract
We are making "Dye Sensitized solar Cell (DSSC) now. DSSC is a kind of solar cell and using TiO2 as
photocatalyst to absorb Ultraviolet Radiation also uses pigment to expand the sensing range and utilize
Visible Radiation.We propose as our hypothesis that chlorophyll is the best pigment. The reason we
focused on chlorophyll was that we were interested in the excitation state or the ground states of the
dye and the wavelength of sunlight. We have an idea that chlorophyll is contained in plants because
chlorophyll can use sunlight most efficiently for exciting electronics.
We found some problems to solve through the process so far. One of those is the shortage of generated
voltage. There are too little to compare to in some kinds of pigment. Therefore, future perspective is
reviewing the experimental method and validity assessment. If the validity of this research is confirmed,
it can boost the spreading of green power. Green power (electricity) is still currently expensive;
however, the DSSC can generate electricity more efficiently at a lower cost.

Keywords:Dye Sensitized Solar Cell, chlorophyll, excitation state, TiO2, wavelength of sunlight

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