Improved cell efficiency of [poly(ethylene oxide)‐succinonitrile]/LiI‐I 2  solid polymer electrolyte‐based dye‐sensitized solar cell | Zendy

Gupta Ravindra Kumar | Zendy; Bedja Idriss M. | Zendy

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Improved cell efficiency of [poly(ethylene oxide)‐succinonitrile]/LiI‐I 2 solid polymer electrolyte‐based dye‐sensitized solar cell

Author(s) -

Gupta Ravindra Kumar,

Bedja Idriss M.

Publication year - 2014

Publication title -

physica status solidi (a)

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.532

H-Index - 104

eISSN - 1862-6319

pISSN - 1862-6300

DOI - 10.1002/pssa.201330666

Subject(s) - succinonitrile , ethylene oxide , dielectric spectroscopy , electrolyte , materials science , polymer , oxide , chemical engineering , solar cell , polymer chemistry , electrochemistry , chemistry , composite material , electrode , copolymer , optoelectronics , engineering , metallurgy

The effect of succinonitrile on cell efficiency, interfacial resistance, and dye regeneration time of [0.5 poly(ethylene oxide):0.5 succinonitrile] blend/LiI‐I 2 solid polymer electrolyte is reported for the first time. The addition of succinonitrile increased the electrical conductivity of poly(ethylene oxide)/LiI‐I 2 by more than an order in magnitude to ∼3 × 10 −4 S cm −1 due to the plasticizing and molecular diffusing properties of succinonitrile. This resulted in an enhancement of the cell efficiency from 0.5% to 2%. The electrochemical impedance spectroscopy revealed a large decrease of interfacial resistances. The transient absorption spectroscopy showed an improvement of the dye regeneration time from 15 to 5 µs.

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