Illumination Angle Insensitive Single Indium Phosphide Tapered Nanopillar Solar Cell
Autor: | Hao Sun, Connie J. Chang-Hasnain, Thai-Truong D. Tran, Kar Wei Ng, Wai Son Ko, Indrasen Bhattacharya |
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Rok vydání: | 2015 |
Předmět: |
Materials science
Silicon business.industry Mechanical Engineering Photovoltaic system Energy conversion efficiency chemistry.chemical_element Bioengineering General Chemistry Condensed Matter Physics Solar energy law.invention chemistry.chemical_compound Illumination angle chemistry law Solar cell Indium phosphide Optoelectronics General Materials Science business Nanopillar |
Zdroj: | Nano letters. 15(8) |
ISSN: | 1530-6992 |
Popis: | 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. |
Databáze: | OpenAIRE |
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