Near Infrared LED Based on PbS Nanocrystals


The principle of operation of near-infrared LEDs based on PbS nanocrystals and aspects of their development are considered. The aging of nanocrystals with different ligand shells is analyzed, as well as spectral transmission of the bottom LED layers. Samples of light-emitting diodes based on NC are demonstrated, their electrical and optical parameters are studied. The emission at a wavelength of 1480 nm is demonstrated.

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The authors thank the Ministry of Education and Science of the Russian Federation Grant no. 14.584.21.0032 (ID RFMEFI58417X0032).

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Correspondence to D. A. Onishchuk.

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International Conference “PCNSPA 2018—Photonic Colloidal Nanostructures: Synthesis, Properties, and Applications,” Saint Petersburg, Russia, June 4–8, 2018.

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Onishchuk, D.A., Pavlyuk, A.S., Parfenov, P.S. et al. Near Infrared LED Based on PbS Nanocrystals. Opt. Spectrosc. 125, 751–755 (2018).

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