Thickness dependence of the efficiency of polymer:fullerene bulk heterojunction solar cells

The Importance of Fullerene Percolation in the Mixed Regions of PolymerFullerene Bulk Heterojunction Solar Cells

wileyonlinelibrary.com © 2013 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim J. A. Bartelt, Z. M. Beiley, W. R. Mateker, Dr. K. R. Graham, Prof. M. D. McGehee Department of Materials Science and Engineering Stanford University Stanford, CA 94305, USA E-mail: [email protected] Dr. E. T. Hoke Department of Applied Physics Stanford University Stanford, CA 94305, USA J. D. Douglas, Prof. J. M. J. F...

Hybrid morphology dependence of CdTe:CdSe bulk-heterojunction solar cells

A nanocrystal thin-film solar cell operating on an exciton splitting pattern requires a highly efficient separation of electron-hole pairs and transportation of separated charges. A hybrid bulk-heterojunction (HBH) nanostructure providing a large contact area and interpenetrated charge channels is favorable to an inorganic nanocrystal solar cell with high performance. For this freshly appeared ...

Bulk Heterojunction Solar Cells — Opportunities and Challenges

Influence of the Energy Levels on the Efficiency of Organic Bulk Heterojunction Solar Cells

We investigate the influence of the energy levels on the power conversion efficiency of a P3HT:PCBM and a MEH-PPV:PV bulk heterojunction cell. We calculate the upper-limit for the efficiency, and make realistic assumptions to predict efficiencies obtainable in the near future. The ideal position of the energy levels of donor and acceptor are obtained from these calculations, giving an idea how ...

assessment of the efficiency of s.p.g.c refineries using network dea

data envelopment analysis (dea) is a powerful tool for measuring relative efficiency of organizational units referred to as decision making units (dmus). in most cases dmus have network structures with internal linking activities. traditional dea models, however, consider dmus as black boxes with no regard to their linking activities and therefore do not provide decision makers with the reasons...