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Tailoring and controlling fermionic properties in heterogenous quantum-dot colloidal solutions
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Paper Abstract

A noticeable repositioning of the characteristic photoluminescence peaks of homogeneous colloidal quantum dot solutions has been observed upon producing heterogeneous combinations of previously synthesized quantum dots. Typically, the wavelength of an emission peak is described as a fermionic property solely dependent on the size and the chemical composition of the nanoparticles involved. However, the experimental observations indicate that quantum dot interactions produce surface energy variations that trigger the aforementioned repositioning of photoluminescence emission peaks, and could represent an alternative route for controlling other fermionic properties such as melting temperature, ferromagnetic properties, cohesive energy, activation energy of diffusion and vacancy formation energy. Therefore, the extensive characterization of quantum dot interactions for tailoring and controlling fermionic properties could enable the demonstration of novel nanomaterials with unique properties for a variety of optoelectronic, photovoltaic and biomedical applications.

Paper Details

Date Published: 4 March 2019
PDF: 7 pages
Proc. SPIE 10929, Quantum Dots and Nanostructures: Growth, Characterization, and Modeling XVI, 109290N (4 March 2019); doi: 10.1117/12.2510973
Show Author Affiliations
Janeth Alexandra García-Monge, The Univ. of Texas at San Antonio (United States)
Itzel Alexia García-Monge, Univ. de Sonora (Mexico)
Maria Fernanda Villa-Bracamonte, Instituto Tecnologico de Hermosillo (Mexico)
Juan Adrian Zepeda-Galvez, The Univ. of Texas at San Antonio (United States)
Arturo A. Ayon, The Univ. of Texas at San Antonio (United States)


Published in SPIE Proceedings Vol. 10929:
Quantum Dots and Nanostructures: Growth, Characterization, and Modeling XVI
Diana L. Huffaker; Holger Eisele, Editor(s)

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