Nanocavity enhancement for ultra-thin film optical absorber.
basic_science · Level V
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- Record sourced from PubMed, PMID 24616090.
- Also identified by DOI 10.1002/adma.201305793.
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Abstract
A fundamental strategy is developed to enhance the light-matter interaction of ultra-thin films based on a strong interference effect in planar nanocavities, and overcome the limitation between the optical absorption and film thickness of energy harvesting/conversion materials. This principle is quite general and is applied to explore the spectrally tunable absorption enhancement of various ultra-thin absorptive materials including 2D atomic monolayers.