Electron Acceptor Materials Engineering in Colloidal Quantum Dot Solar Cells

Lead sulfide colloidal quantum dot (CQD) solar cells with a solar power conversion efficiency of 5.6% are reported. The result is achieved through careful optimization of the titanium dioxide electrode that serves as the electron acceptor. Metal‐ion‐doped sol‐gel‐derived titanium dioxide electrodes...

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Bibliographic Details
Published in:Advanced materials (Weinheim) 2011-09, Vol.23 (33), p.3832-3837
Main Authors: Liu, Huan, Tang, Jiang, Kramer, Illan J., Debnath, Ratan, Koleilat, Ghada I., Wang, Xihua, Fisher, Armin, Li, Rui, Brzozowski, Lukasz, Levina, Larissa, Sargent, Edward H.
Format: Article
Language:English
Subjects:
colloidal quantum dots
doping
photovoltaics
titanium dioxide
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Summary:Lead sulfide colloidal quantum dot (CQD) solar cells with a solar power conversion efficiency of 5.6% are reported. The result is achieved through careful optimization of the titanium dioxide electrode that serves as the electron acceptor. Metal‐ion‐doped sol‐gel‐derived titanium dioxide electrodes produce a tunable‐bandedge, well‐passivated materials platform for CQD solar cell optimization.
ISSN:0935-9648
1521-4095
DOI:10.1002/adma.201101783