Efficient Solution‐Processed Small‐Molecule Solar Cells with Inverted Structure
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- 1 March 2013
- journal article
- research article
- Published by Wiley in Advanced Materials
- Vol. 25 (17), 2397-2402
- https://doi.org/10.1002/adma.201300295
Abstract
We successfully demonstrate inverted structure small-molecule (SM) solar cells with an efficiency of 7.88% using ZnO and PEIE as an interfacial layer. Modification of ZnO with a cost-effective PEIE thin layer increases the efficiency of the inverted cell as a result of reducing the work function of the cathode and suppressing the trap-assisted recombination. In addition to the high efficiency, the inverted SM solar cells are relatively stable in air compared to conventional cells.Keywords
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