Journal
JOURNAL OF THE AMERICAN CERAMIC SOCIETY
Volume 96, Issue 1, Pages 197-200Publisher
WILEY-BLACKWELL
DOI: 10.1111/jace.12017
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Funding
- Engineering and Physical Sciences Research Council (UK) [EP/H035745/1]
- EPSRC [EP/J008052/1, EP/H035745/1] Funding Source: UKRI
- Engineering and Physical Sciences Research Council [EP/J008052/1, EP/H035745/1] Funding Source: researchfish
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PbSe quantum dots (QDs) were grown in high-refractive-index low-melting-temperature lead-phosphate glass. The lowest energy exciton transition of the QDs was tuned over a wide range within the infrared spectral region (0.932.75 mu m) by a controlled heat treatment. The measured QD radius ranged between 2 and 5.3nm, with a time (t) dependence of t0.29 for long dwelling times during the heat treatment, indicating that the QD growth mechanism tends to follow Lifshitz-Slyozov-Wagner theory. The QD saturable absorber behavior at 1.2 mu m had a measured saturation fluence of 2.1 mu J/cm2.
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