PbS and CdS Quantum Dot-Sensitized Solid-State Solar Cells: “Old Concepts, New Results” (pages 2735–2742)
HyoJoong Lee, Henry C. Leventis, Soo-Jin Moon, Peter Chen, Seigo Ito, Saif A. Haque, Tomas Torres, Frank Nüesch, Thomas Geiger, Shaik M. Zakeeruddin, Michael Grätzel and Md. Khaja Nazeeruddin
Article first published online: 24 JUN 2009 | DOI: 10.1002/adfm.200900081
High overall conversion efficiencies are obtained from solid-state solar cells sensitized with PbS and CdS quantum dots (QDs) using spiro-OMeTAD as a hole-conductor. Thorough optimization of important parameters leads to 1.46% efficiency at full-sun intensity. A second organic dye sensitizer can be added over the QDs-sensitized electrode and these cells have been tested as model systems of organic–inorganic hybrid sensitizer systems.