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Sub-nanosecond Intrinsic Response Time of PbS Nanocrystal IR-Photodetectors

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Sub-nanosecond Intrinsic Response Time of PbS Nanocrystal IR-Photodetectors

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  • Author: A. Maier, F. Strauß, P. Kohlschreiber, Ch. Schedel, K. Braun, & M. Scheele
Colloidal nanocrystals (NCs), especially lead sulfide NCs, are promising candidates for solution-processed next-generation photodetectors with high-speed operation frequencies. However, the intrinsic response time of PbS-NC photodetectors, which is the material-specific physical limit, is still elusive, as the reported response times are typically limited by the device geometry.

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