Synthesis and characterization of colloidal ZnTe nanocrystals and ZnTe/ZnSe quantum dots

Gavin P. Gonzales; Gema Alas; Arjun Senthil; Nathan J. Withers; Christina Minetos; Alejandro Sandoval III; Sergei A. Ivanov; Gennady A. Smolyakov; Dale L. Huber; Marek Osiński

doi:10.1117/12.2299330

23 February 2018 Synthesis and characterization of colloidal ZnTe nanocrystals and ZnTe/ZnSe quantum dots

Gavin P. Gonzales, Gema Alas, Arjun Senthil, Nathan J. Withers, Christina Minetos, Alejandro Sandoval III, Sergei A. Ivanov, Gennady A. Smolyakov, Dale L. Huber, Marek Osiński

Author Affiliations +

Proceedings Volume 10507, Colloidal Nanoparticles for Biomedical Applications XIII; 1050703 (2018) https://doi.org/10.1117/12.2299330
Event: SPIE BiOS, 2018, San Francisco, California, United States

Abstract

Quantum dots (QDs) emitting in the visible are of interest for many biomedical applications, including bioimaging, biosensing, drug targeting, and photodynamic therapy. However, a significant limitation is that QDs typically contain cadmium, which makes prospects for their FDA approval very unlikely. Previous work has focused on InP and ZnO as alternative semiconductor materials for QDs. However, these nanoparticles have also been shown to be cytotoxic. High-efficiency luminescent ZnTe-based QDs could be a reasonable alternative to Cd-containing QDs. In this paper, we present preliminary results of our recent studies of ZnTe-based QDs, including their synthesis, structural characterization, and optical properties.

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Gavin P. Gonzales, Gema Alas, Arjun Senthil, Nathan J. Withers, Christina Minetos, Alejandro Sandoval III, Sergei A. Ivanov, Gennady A. Smolyakov, Dale L. Huber, and Marek Osiński "Synthesis and characterization of colloidal ZnTe nanocrystals and ZnTe/ZnSe quantum dots", Proc. SPIE 10507, Colloidal Nanoparticles for Biomedical Applications XIII, 1050703 (23 February 2018); https://doi.org/10.1117/12.2299330

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