Ligand-induced symmetry breaking, size and morphology in colloidal lead sulfide QDs: from classic to thiourea precursors

Bertolotti, Federica; H. Proppe, Andrew; N. Dirin, Dmitry; Liu, Mengxia; Voznyy, Oleksandr; Cervellino, Antonio; J. L. Billinge, Simon; V. Kovalenko, Maksym; H. Sargent, Edward; Masciocchi, Norberto; Guagliardi, Antonietta

doi:10.28954/2018.csq.02.001

Public

Ligand-induced symmetry breaking, size and morphology in colloidal lead sulfide QDs: from classic to thiourea precursors

Published in Chemistry Squared • Feb 5, 2018

Authors:

Federica Bertolotti

Andrew H. Proppe

Dmitry N. Dirin

Abstract

Colloidal lead chalcogenide quantum dots (CQDs) exhibit promising optoelectronic properties for applications in solar cell devices and as thermoelectrics. Herein, we report and discuss a ferroelectric structural distortion, at the picometer scale resolution, in PbS CQDs prepared using both classic a...

Subject

Chalcogenide

Materials science

Crystallography

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