Engineering Quantum Dot Surfaces in Solution-Processed Optoelectronics: Chemical optimization of Photodetector and Photovoltaic Device Performance

D. Aaron R. Barkhouse; Jason P. Clifford; Andras G. Pattantyus-Abraham; Larissa Levina; Edward H. Sargent

doi:10.1364/IPNRA.2009.IWD2

Advances in Optical Sciences Congress
OSA Technical Digest (CD) (Optica Publishing Group, 2009),
paper IWD2
•https://doi.org/10.1364/IPNRA.2009.IWD2

Engineering Quantum Dot Surfaces in Solution-Processed Optoelectronics: Chemical optimization of Photodetector and Photovoltaic Device Performance

D. Aaron R. Barkhouse, Jason P. Clifford, Andras G. Pattantyus-Abraham, Larissa Levina, and Edward H. Sargent

Integrated Photonics and Nanophotonics Research and Applications 2009

Honolulu, Hawaii United States
12–17 July 2009
ISBN: 978-1-55752-873-5

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3-D Photonic Crystals, Novel Fabrication Techniques (IWD)

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D. A. R. Barkhouse, J. P. Clifford, A. G. Pattantyus-Abraham, L. Levina, and E. H. Sargent, "Engineering Quantum Dot Surfaces in Solution-Processed Optoelectronics: Chemical optimization of Photodetector and Photovoltaic Device Performance," in Advances in Optical Sciences Congress, OSA Technical Digest (CD) (Optica Publishing Group, 2009), paper IWD2.

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Abstract

We report that spin-cast colloidal quantum dot devices depend sensitively on exquisite control over surface passivation. We use these findings to quadruple infrared phovotovoltaic efficiency and build the first megahertz-frequency solution-cast photodiode.

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