Dimensional Modeling of the Synthesis and Conductivity of Colloidal Quantum Dots View Full Text


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Article Info

DATE

2022-04

AUTHORS

N. D. Zhukov, M. V. Gavrikov, S. N. Shtykov

ABSTRACT

—Using the example of synthesized colloidal quantum dots (QDs) of certain semiconductors (CdSe, PbS, HgSe, InSb), the limiting sizes of nanocrystals with perfect structure during their synthesis are determined depending on the ratio of their volume and surface energies, which can vary from 6 nm for QD-InSb to 17 nm for QD-CdSe. The conductivity of single QDs in the interelectrode nanogap is single-electron, and the I–V characteristic has regions of electron tunneling through potential barriers, Coulomb current limitation, and resonant peaks of quantum conductivity. Dimensional relations are determined and nomograms of the relationship of the dimensional parameters are constructed to ensure the conditions for quantum conductivity. The assumption about terahertz current oscillations is substantiated. More... »

PAGES

269-274

Identifiers

URI

http://scigraph.springernature.com/pub.10.1134/s1063782622040066

DOI

http://dx.doi.org/10.1134/s1063782622040066

DIMENSIONS

https://app.dimensions.ai/details/publication/pub.1149072838


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