☆ 4.6 Article

Broadband energy-harvesting hybrid solar cells employing nanocomposites of polythiophene: ternary PbSSe nanocrystals

APPLIED PHYSICS LETTERS (2011)

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APPLIED PHYSICS LETTERS

卷 99, 期 23, 页码 -

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AMER INST PHYSICS

DOI: 10.1063/1.3669515

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Physics, Applied

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Hybrid solar cells (HSCs) incorporating narrow band gap PbSSe nanocrystals (NCs) in a conjugated polymer were developed for the extensive use of solar radiation up to the near infrared (NIR) range. The developed cell, composed of poly(3-hexylthiophene) (P3HT):PbSSe NC composites with 1:1 weight ratio, exhibited a large light-harvesting efficiency over a broad range, in which the external quantum efficiency reached 0.3% at 1100 nm. These promising results were attributed to the well-assembled percolation networks with large interfacial junctions and the efficient use of broad solar spectrum due to the use of narrow band gap ternary NCs. VC 2011 American Institute of Physics. [doi:10.1063/1.3669515]

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