Document Type

Article

Publication Date

8-2020

Abstract

The attractive aspect of excitation related to fluorescence nature in carbon quantum dots (CQD) has guided to several assumptions correlated with clusters size distribution, shapes as well as presence of different emissive states. In this study, a dimer–excimer model of photoluminescence (PL) in CQD describing discrete multiple electronic states for the excitation-dependent emission is described. The functional dependence of the characteristic width of the diffuse spectra of PL on the size of a quantum dots are calculated. The effective width of PL spectrum can be tuned from 0.1 to 1 eV.

Comments

© Indian Academy of Sciences. Original published version available at https://doi.org/10.1007/s12034-020-02168-6

Publication Title

Bulletin of Materials Science

DOI

10.1007/s12034-020-02168-6

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