Inverted and transparent polymer solar cells prepared with vacuum-free processing
2009 (English)In: SOLAR ENERGY MATERIALS AND SOLAR CELLS, ISSN 0927-0248, Vol. 93, no 4, 497-500 p.Article in journal (Refereed) Published
Inverted transparent polymer solar cells were fabricated by sequentially depositing several organic layers from fluids, on ITO/glass substrates. ITO was used as a cathode to collect electrons. The photovoltage of these diodes can be increased by up to 400 mV by inserting a buffer layer of polyethylene oxide between ITO and the active layers, which results in 4-fold enhancement of power conversion efficiency under the illumination of 100 mW/cm(2) simulated AM1.5 solar light. The enhancement of V., is consistent with the work function change between ITO and ITO/PEO measured by photoelectron spectroscopy. Solar cell production without vacuum processing may lower production costs.
Place, publisher, year, edition, pages
2009. Vol. 93, no 4, 497-500 p.
Inverted polymer solar cells, Vacuum-free processing, PEO, Open-circuit voltage
National CategoryNatural Sciences
IdentifiersURN: urn:nbn:se:liu:diva-17695DOI: 10.1016/j.solmat.2008.11.002OAI: oai:DiVA.org:liu-17695DiVA: diva2:211633