SUPPLEMENTARY INFORMATION Photo

Electronic Supplementary Material (ESI) for RSC Advances
This journal is © The Royal Society of Chemistry 2012
SUPPLEMENTARY INFORMATION
Photo-active Getter for Stable Dye-Sensitized Solar Cells
Simone Guarnera, a,c, Antonio Bonucci*b, Stefano Perissinottoa, ,Roberto Giannantoniob, Guglielmo
Lanzania and Annamaria Petrozza*a
a Center for Nano Science and Technology @Polimi, Istituto Italiano di Tecnologia, Via Pascoli
70/3, 20133 Milano, Italy
b SAES Getters S.p.A., Viale Italia 77, 20020 Lainate (Milan) – Italy
c Dipartimento di Fisica, Politecnico di Milano, Piazza L. da Vinci 32, 20133 Milano Italy.
Electronic Supplementary Material (ESI) for RSC Advances
This journal is © The Royal Society of Chemistry 2012
100
Haze (%)
80
60
40
a)
0%
1%
3%
5%
20
0
400
500
600
700
800
900
Wavelength (nm)
100
TTOT(%)
80
60
40
20
0
400
0%
1%
3%
5%
b)
500
600
700
800
900
Wavelength (nm)
100
0%
1%
3%
5%
80
Tdiff (%)
c)
60
40
20
0
400
500
600
700
800
900
wavelength (nm)
Figure S1: a) The photoanodes haze calculated varying the nanozelites concentration. b) Total
and c) diffusive transmittance spectra measured by using an integrating sphere (see methos).
These spectra were used to calculate the photoanode haze.
Electronic Supplementary Material (ESI) for RSC Advances
This journal is © The Royal Society of Chemistry 2012
Normalized EQE (a.u.)
1,0
0,8
0,6
0,4
0,2
0,0
400
0% Nanozeolites
1% Nanozeolites
3% Nanozeolites
5% Nanozeolites
500
600
700
800
Wavelength (nm)
Figure S2: Normalized external quantum efficiency of DSSC devices with photoanodes
containing different concentrations of nanozeolites.
Electronic Supplementary Material (ESI) for RSC Advances
This journal is © The Royal Society of Chemistry 2012
100
FF/FF0 (%)
95
90
85
80
0% Nanozeolites
1% Nanozeolites
5% Nanozeolites
a)
0
200
400
600
800
1000
Hours
120
Voc/Voc0 (%)
110
100
90
80
0% Nanozeolites
1% Nanozeolites
5% Nanozeolites
b)
0
200
400
600
800
1000
Hours
Jsc/Jsc0 (%)
120
100
0% Nanozeolites
1% Nanozeolites
5% Nanozeolites
80
0
200
400
c)
600
800
1000
Hours
Figure S3: Figures of merits of the solar cells monitored for 1000 hours under outdoor exposure.