Porphyrin based push–pull conjugates as donors for solution-processed bulk heterojunction solar cells: a case of metal-dependent power conversion efficiency

Solution-processed bulk-heterojunction organic solar cells have been achieved using unsymmetrical metalloporphyrin–PBI dyads as small molecular donors. Due to panchromatic absorption, a photon-to-current conversion efficiency of 6.18% was obtained for 3-Zn:PC71BM with a remarkable energy loss ( E lo...

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Bibliographic Details
Published in:Journal of materials chemistry. A, Materials for energy and sustainability Materials for energy and sustainability, 2017, Vol.5 (30), p.15529-15533
Main Authors: Mishra, Ruchika, Regar, Ramprasad, Singhal, Rahul, Panini, Piyush, Sharma, Ganesh D., Sankar, Jeyaraman
Format: Article
Language:English
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Summary:Solution-processed bulk-heterojunction organic solar cells have been achieved using unsymmetrical metalloporphyrin–PBI dyads as small molecular donors. Due to panchromatic absorption, a photon-to-current conversion efficiency of 6.18% was obtained for 3-Zn:PC71BM with a remarkable energy loss ( E loss ) of 0.60 eV, which is in line with the best values recorded so far for porphyrin-based small-molecular donors.
ISSN:2050-7488
2050-7496
DOI:10.1039/C7TA05338J