Illumination Angle Insensitive Single Indium Phosphide Tapered Nanopillar Solar Cell.
basic_science · Level V
Where this comes from
- Record sourced from PubMed, PMID 26083622.
- Also identified by DOI 10.1021/acs.nanolett.5b00756.
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Abstract
Low cost, high efficiency photovoltaic can help accelerate the adoption of solar energy. Using tapered indium phosphide nanopillars grown on a silicon substrate, we demonstrate a single nanopillar photovoltaic exhibiting illumination angle insensitive response. The photovoltaic employs a novel regrown core-shell p-i-n junction to improve device performance by eliminating shunt current paths, resulting in a high VOC of 0.534 V and a power conversion efficiency of 19.6%. Enhanced broadband light absorption is also demonstrated over a wide spectral range of 400-800 nm.