Communication - Hydroxyl Radicals Attack CdTe Quantum Dots

Eduardo Muñoz, Ricardo Marotti, Emilio Navarrete

Research output: Contribution to journalArticlepeer-review

Abstract

The present work reports the changes in CdTe quantum dots' size and optical properties (CdTe QDs) after interaction with hydroxyl radicals (•OH). Through characterization by UV-vis spectroscopy, fluorescence spectroscopy, and transmission electron microscopy, it was possible to observe the reduction in the size of the nanoparticles when exposed to Fenton's reagent (source of •OH radicals) under constant exposure to UV light. Furthermore, the results show shifts in the emission peak values at lower wavelengths, dependent on the initial size of the QD and the radical's concentration.

Original languageEnglish
Article number097503
JournalJournal of the Electrochemical Society
Volume168
Issue number9
DOIs
StatePublished - Sep 2021
Externally publishedYes

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