Dye-sensitized solar cells (DSSCs) have been identified as a viable alternative for conventional solar cells. As liquid electrolyte based DSSCs have several drawbacks, attention has now been diverted toward gel polymer electrolytes (GPEs), which can be placed in between liquid electrolytes and solid electrolytes. In this study, attempts were made to investigate the effect of salt concentration of the GPE on the performance of DSSCs. The GPE used for the study consists of polyvinylidene fluoride (PVdF), ethylene carbonate (EC), propylene carbonate (PC), 1-methyl 3-propyl immidazolium iodide (1M3PII), and iodine (I2). Conductivity variation with salt concentration as well as with temperature was first investigated. DSSCs were then fabricated for all the salt concentrations to observe the relationship between salt concentration, conductivity, and performances of DSSCs. The composition 1.6 PVdF/4 EC/4 PC/1.3 1M3PII/0.1308 I2 (weight basis) exhibited the highest conductivity, and it was 3.55 × 10−3 S cm−1 at 28 °C. The sample was an anionic conductor. DSSCs fabricated with the samples having different salt concentrations showed that current density (JSC), fill factor (FF), and efficiency (η) follow the same variation that exists between conductivity and salt concentration. Open circuit voltage (VOC) seemed to be not depending on the conductivity and salt concentration very much.

References

References
1.
Regan
,
B. O.
, and
Gratzel
,
M.
,
1991
, “
A Low Cost High Efficiency Solar Cell Based on Dye Sensitized Colloidal TiO2 Films
,”
Nature
,
353
(
6346
), pp.
737
740
.
2.
Arof
,
A. K.
,
Aziz
,
M. F.
,
Noor
,
M. M.
,
Careem
,
M. A.
,
Bandara
,
L. R. A. K.
,
Thotawatthage
,
C. A.
,
Rupasinghe
,
W. N. S.
, and
Dissanayake
,
M. A. K. L.
,
2014
, “
Efficiency Enhancement by Mixed Cation Effect in Dye Sensitized Solar Cells With a PVdF Based Gel Polymer Electrolyte
,”
Int. J. Hydrogen Energy
,
39
(
6
), pp.
2929
2935
.
3.
Gratzel
,
M.
,
2005
, “
Solar Energy Conversion by Dye-Sensitized Photovoltaic Cells
,”
Inorg. Chem.
,
44
(
20
), pp.
6841
6851
.
4.
Yang
,
H.
,
Huang
,
M.
,
Wu
,
J.
,
Lan
,
Z.
,
Hao
,
S.
, and
Lin
,
J.
,
2008
, “
The Polymer Gel Electrolyte Based on Poly(Methylmethacrylate) and Its Application in Quasi-Solid-State Dye-Sensitized Solar Cells
,”
Mater. Chem. Phys.
,
110
(
1
), pp.
38
42
.
5.
Bandara
,
T. M. W. J.
,
Dissanayake
,
M. A. K. L.
,
Albinsson
,
I.
, and
Mellander
,
B.-E.
,
2010
, “
Dye Sensitized, Nano Porous TiO2 Solar Cell With Polyacrylonitrile: MgI2 Plasticized Electrolyte
,”
J. Power Sources
,
195
(
11
), pp.
3730
3734
.
6.
Bandara
,
T. M. W. J.
,
Svenson
,
T.
,
Dissanayake
,
M. A. K. L.
,
Furlani
,
M.
,
Jayasundara
,
W. J. M. J. S. R.
, and
Mellander
,
B.-E.
,
2012
, “
Tetrahexyl Ammonium Iodide Containing Solid and Gel Polymer Electrolytes for Dye Sensitized Solar Cells
,”
Energy Procedia
,
14
, pp.
1607
1612
.
7.
Abidin
,
S. Z. Z.
,
Ali
,
A. M. M.
,
Hassan
,
O. H.
, and
Yahya
,
M. Z. A.
,
2013
, “
Electrochemical Studies on Cellulose Acetate—LiBOB Polymer Electrolytes
,”
Int. J. Electrochem. Sci.
,
8
(
5
), pp.
7320
7326
.
8.
Jayathilake
,
M. C. D.
,
Perera
,
K. S.
, and
Vidanapathirana
,
K. P.
,
2015
, “
Preparation and Characterization of a Polyacrylonitrile-Based Gel Polymer Electrolyte Complexed With 1-Methyl-3-Propyl Immidazolium Iodide
,”
J. Solid State Electrochem.
,
19
(
8
), pp.
2199
2203
.
9.
Amarasinghe
,
K. V. L.
,
Senevirathne
,
V. A.
,
Bandara
,
L. R. A. K.
, and
Dissanayake
,
M. A. K. L.
,
2014
, “
Electrical and FT-IR of Fumed Silica Based Gel Electrolytes: (Tetraglyme)n KI and (Ethylene Glycol)nKI
,”
14th Asian Conference on Solid State Ionics
, Singapore, June 24–27, pp.
528
537
.
10.
Pandey
,
K.
,
Dwivedi
,
M. M.
,
Asthana
,
N.
,
Singh
,
M.
, and
Agrawal
,
S. L.
,
2011
, “
Structural and Ion Transport Studies in (100-x) PVdF + xNH4SCN Gel Electrolyte
,”
Mater. Sci. Appl.
,
2
(
7
), pp.
721
728
.
11.
Jayathilake
,
Y. M. C. D.
,
Perera
,
K. S.
,
Vidanapathirana
,
K. P.
, and
Bandara
,
L. R. A. K.
,
2014
, “
A Novel Gel Polymer Electrolyte Based on Polymethylmethacrylaate and Copper Trifluoromethanesulfonate
,”
J. Electroanal. Chem.
,
724
, pp.
125
129
.
12.
Jawad
,
M. K.
,
Al-Ajaj
,
E. A.
,
Suhali
,
M. H.
, and
Majid
,
S. R.
,
2014
, “
Efficiency Enhancement of Photovoltaic Performance of Quasi Solid State Dye Sensitized Solar Cell With TPAI and KI Binary Iodide Salt Mixture
,”
Adv. Phys. Theories Appl.
,
34
, pp.
51
59
.
13.
Su'ait
,
M. S.
,
Ahmad
,
S.
,
Badri
,
K. H.
,
Mohamed
,
N. S.
,
Rahman
,
M. Y. A.
,
Azanza Rixardo
,
C. L.
, and
Scardi
,
P.
,
2014
, “
The Potential of Polyurethane Bio-Based Solid Polymer Electrolyte for Photoelectrochemical Cell Application
,”
Int. J. Hydrogen Energy
,
39
(
6
), pp.
3005
3017
.
14.
Rahman
,
M. Y. A.
,
Ahmad
,
A.
,
Umar
,
A. A.
,
Taslim
,
R.
,
Su'ait
,
M. S.
, and
Salleh
,
M. M.
,
2014
, “
Polymer Electrolyte for Photoelectrochemical Cell and Dye Sensitized Solar Cell: A Brief Review
,”
Ionics
,
20
(
9
), pp.
1201
1205
.
15.
Kalaignan
,
G. P.
,
Kang
,
M. S.
, and
Kang
,
Y. S.
,
2006
, “
Effects of Compositions on Properties of PEO-KI-I2 Salts Polymer Electrolytes for DSSC
,”
Solid State Ionics
,
177
(
11–12
), pp.
1091
1097
.
16.
Nazeeruddin
,
Md. K.
,
Baranoff
,
E.
, and
Gratzel
,
M.
,
2011
, “
Dye Sensitized Solar Cells—A Brief Overview
,”
Sol. Energy
,
85
(
6
), pp.
1172
1178
.
17.
Careem
,
M. A.
,
Buraidah
,
M. H.
,
Aziz
,
M. F.
,
Hassan
,
H. C.
, and
Arof
,
A. K.
,
2014
, “
Polyvinyl Alcohol Gel Polymer Electrolyte Based Dye Sensitized Solar Cells
,”
14th Asian Conference on Solid State Ionics
, pp.
177
186
.
18.
Wang
,
F. M.
,
Chu
,
C. H.
,
Lee
,
C. H.
,
Wu
,
J. Y.
,
Lee
,
K. M.
,
Tung
,
Y. L.
,
Liou
,
C. H.
,
Wang
,
Y. Y.
, and
Wan
,
C. C.
,
2011
, “
An Ionic Transfer Investigation of Tri-Iodine of Solvent-Free Oligomeric Electrolytes in Dye Sensitized Solar Cells
,”
Int. J. Electrochem. Sci.
,
6
(
4
), pp.
1100
1115
.
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