Microcavity-enhanced light-trapping for highly efficient organic parallel tandem solar cells.
basic_science · Level V
Where this comes from
- Record sourced from PubMed, PMID 25168104.
- Also identified by DOI 10.1002/adma.201402782.
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Abstract
A high-performance parallel tandem solar cell employing ultra-thin Ag as the intermediate anode is demonstrated, which comprises a semitransparent front sub-cell and a microcavity assisted back sub-cell. In addition to the extended optical field as a result of the tandem architecture, the prominent microcavity resonance formed in the back sub-cell enables such a parallel tandem configuration to possess high light utilization efficiency (the peak EQE value is over 80%) and a high photovoltaic performance of 9.2%. This study establishes an effective architecture that can be generally applicable to all organic materials for improving their performance.