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Dye sensitized solar cells with poly(acrylonitrile) based plasticized electrolyte containing Mgl(2)

T.M.W.J. Bandara (Institutionen för teknisk fysik, Fasta tillståndets fysik) ; MAKL Dissanayake ; Bengt-Erik Mellander (Institutionen för teknisk fysik, Fasta tillståndets fysik)
Electrochimica Acta (0013-4686). Vol. 55 (2010), 6, p. 2044-2047.
[Artikel, refereegranskad vetenskaplig]

Polymer electrolytes can be used favorably in photo-electrochemical solar cells. A possible electrolyte for this purpose is a polyacrylonitrile-Mgl(2) complex with plasticizers such as ethylene carbonate and propylene carbonate The best ionic conductivity was obtained for samples containing 60 wt% of Mgl(2) salt with respect to the weight of polyacrylonitrile, for example, at 30 degrees C the conductivity is 1.9 x 10(-3) S cm(-1) The ionic contribution to the conductivity is dominant as shown by do polarization tests. Furthermore, the glass transition temperature showed a minimum, -103.0 degrees C. for the sample with the highest conductivity indicating the importance of polymer chain flexibility for the conduction process Measurements on a fabricated solar cell with this electrolyte exhibited an overall energy conversion efficiency of 0.84%. The short circuit current density, open circuit voltage and fill factor of the cell were 2 04 mA cm(-2), 692 mV and 59.3%, respectively.

Denna post skapades 2011-01-19. Senast ändrad 2014-03-24.
CPL Pubid: 135102


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Institutionen för teknisk fysik, Fasta tillståndets fysik (2005-2015)


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Chalmers infrastruktur