Review on the importance of morphology control in polymer solar cells
article
The recent progress in understanding on how the efficiency of a bulk heterojunction PSC depends on the local nanoscale volume organisation of the photoactive layer is reviewed. A quantitative analysis of the phase separation and percolation pathways was performed and used to explain the performance of P3HT/ZnO devices with different thickness. It is concluded that the relatively poor performance of thin P3HT/ZnO solar cells is related to inefficient charge generation as a result of the low ZnO content, to the coarse phase segregation, and to the exciton losses impaired by the electrodes.
TNO Identifier
847027
Publisher
ECN
Collation
11 p.
Place of publication
Petten
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