Interlayer adhesion in roll-to-roll processed flexible inverted polymer solar cells
Publication: Research - peer-review › Conference article – Annual report year: 2011
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Interlayer adhesion in roll-to-roll processed flexible inverted polymer solar cells. / Dupont, Stephanie R.; Oliver, Mark; Krebs, Frederik C; Dauskardt, Reinhold H.
In: Solar Energy Materials & Solar Cells, Vol. 97, 2012, p. 171-175.Publication: Research - peer-review › Conference article – Annual report year: 2011
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TY - CONF
T1 - Interlayer adhesion in roll-to-roll processed flexible inverted polymer solar cells
A1 - Dupont,Stephanie R.
A1 - Oliver,Mark
A1 - Krebs,Frederik C
A1 - Dauskardt,Reinhold H.
AU - Dupont,Stephanie R.
AU - Oliver,Mark
AU - Krebs,Frederik C
AU - Dauskardt,Reinhold H.
PB - Elsevier BV North-Holland
PY - 2012
Y1 - 2012
N2 - The interlayer adhesion of roll-to-roll processed flexible inverted P3HT:PCBM bulk heterojunction (BHJ) polymer solar cells is reported. Poor adhesion between adjacent layers may result in loss of device performance from delamination driven by the thermomechanical stresses in the device. We demonstrate how a thin-film adhesion technique can be applied to flexible organic solar cells to obtain quantitative adhesion values. For the P3HT:PCBM-based BHJ polymer solar cells, the interface of the BHJ with the conductive polymer layer PEDOT:PSS was found to be the weakest. The adhesion fracture energy varied from 1.6 J/m2 to 0.1 J/m2 depending on the composition of the P3HT:PCBM layer. Post-deposition annealing time and temperature were shown to increase the adhesion at this interface. Additionally the PEDOT:PSS cells are compared with V2O5 cells whereby adhesive failure marked by high fracture energies was observed.
AB - The interlayer adhesion of roll-to-roll processed flexible inverted P3HT:PCBM bulk heterojunction (BHJ) polymer solar cells is reported. Poor adhesion between adjacent layers may result in loss of device performance from delamination driven by the thermomechanical stresses in the device. We demonstrate how a thin-film adhesion technique can be applied to flexible organic solar cells to obtain quantitative adhesion values. For the P3HT:PCBM-based BHJ polymer solar cells, the interface of the BHJ with the conductive polymer layer PEDOT:PSS was found to be the weakest. The adhesion fracture energy varied from 1.6 J/m2 to 0.1 J/m2 depending on the composition of the P3HT:PCBM layer. Post-deposition annealing time and temperature were shown to increase the adhesion at this interface. Additionally the PEDOT:PSS cells are compared with V2O5 cells whereby adhesive failure marked by high fracture energies was observed.
KW - Polymer solar cells
KW - Plastsolceller
U2 - 10.1016/j.solmat.2011.10.012
DO - 10.1016/j.solmat.2011.10.012
JO - Solar Energy Materials & Solar Cells
JF - Solar Energy Materials & Solar Cells
SN - 0927-0248
VL - 97
SP - 171
EP - 175
ER -