https://doi.org/10.1140/epjp/s13360-023-04403-5
Regular Article
Electronic and optical properties of single substitutional Mn dopant in CdSe nanocrystals and CdSe/ZnSe core/shell nanocrystals
Department of Physics, Faculty of Science, Ubon Ratchathani University, 85 Sathollmark Rd. Warinchamrab, 34190, Ubon Ratchathani, Thailand
Received:
2
June
2023
Accepted:
21
August
2023
Published online:
26
August
2023
I employ a kinetic-exchange tight-binding method to determine the electronic structures and optical characteristics of Mn-ion solitary dopant embedded in CdSe nanocrystals and CdSe/ZnSe core/shell nanocrystals under various Mn-ion distances. Their electronic and optical characteristics are sensitive to the dopant locations and nanoparticle architectures. With the growing Mn distances, the electron and hole energies become obviously declined. The red shift of optical spectra is observed in CdSe nanocrystals. The wavelengths of blue and red light in emission spectra are found in CdSe/ZnSe core/shell nanoparticles. The oscillation strengths become reduced with the growing Mn-ion distances due to the wave function overlaps. The improvement of the optical properties is perceived in the nanostructures centrally doped with a single Mn ion. Overall, the straightforward relation between the structural parameters and natural properties of individual Mn ion embedded in semiconductor nanostructures is an important use to their applications in solotronics.
Copyright comment Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law.
© The Author(s), under exclusive licence to Società Italiana di Fisica and Springer-Verlag GmbH Germany, part of Springer Nature 2023. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law.
