Solid-state Ag+ Ion Migration for the Controlled Precipitation of PbS Quantum Dots in Glasses

Kai Xu; Jong Heo

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Paper

Solid-state Ag+ Ion Migration for the Controlled Precipitation of PbS Quantum Dots in Glasses

Topics: MEMS and Nanophotonics; Photonic and Optoelectronic Materials and Devices; Photonic in Communications and Switching

In Proceedings of the International Conference on Photonics, Optics and Laser Technology PHOTOPTICS - Volume 1, 83-87, 2013 , Barcelona, Spain

Authors: Kai Xu and Jong Heo

Affiliation: University of Science and Technology (POSTECH), Korea, Republic of

Keyword(s): PbS Quantum Dots, Ag+ Ion Migration, Heat Treatment, Glasses.

Related Ontology Subjects/Areas/Topics: MEMS and Nanophotonics ; Photonic and Optoelectronic Materials and Devices ; Photonic in Communications and Switching ; Photonics ; Photonics, Optics and Laser Technology

Abstract: Precipitation of PbS quantum dots (QDs) controlled by solid-state Ag+ ion migration and subsequent thermal treatment was investigated. Ag+ ions migrated from Ag paste applied on the surface into glass at 320°C. After following heat treatment, PbS QDs formed in the near surface area where Ag paste was coated. Sizes of the PbS QDs were larger in Ag+-migrated surface regions than those in Ag+-free glasses, and PbS QDs can grow at temperatures as low as 420 and 430°C. Ag nanoparticles (NPs) also formed during the thermal treatment. These results suggest that Ag NPs supplied the nucleating sites and promote the formation of PbS QDs in glasses. The spatial distribution of PbS QDs in glasses can also be controlled through solid-state Ag+ ion migration.

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Paper citation in several formats:

Xu, K. and Heo, J. (2013). Solid-state Ag+ Ion Migration for the Controlled Precipitation of PbS Quantum Dots in Glasses. In Proceedings of the International Conference on Photonics, Optics and Laser Technology - PHOTOPTICS; ISBN 978-989-8565-44-0; ISSN 2184-4364, SciTePress, pages 83-87. DOI: 10.5220/0004335500830087

@conference{photoptics13,
author={Kai Xu. and Jong Heo.},
title={Solid-state Ag+ Ion Migration for the Controlled Precipitation of PbS Quantum Dots in Glasses},
booktitle={Proceedings of the International Conference on Photonics, Optics and Laser Technology - PHOTOPTICS},
year={2013},
pages={83-87},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0004335500830087},
isbn={978-989-8565-44-0},
issn={2184-4364},
}

TY - CONF

JO - Proceedings of the International Conference on Photonics, Optics and Laser Technology - PHOTOPTICS
TI - Solid-state Ag+ Ion Migration for the Controlled Precipitation of PbS Quantum Dots in Glasses
SN - 978-989-8565-44-0
IS - 2184-4364
AU - Xu, K.
AU - Heo, J.
PY - 2013
SP - 83
EP - 87
DO - 10.5220/0004335500830087
PB - SciTePress