Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/97461
Title: Low threshold, amplified spontaneous emission from core-seeded semiconductor nanotetrapods incorporated into a sol-gel matrix
Authors: Liao, Yile
Xing, Guichuan
Mishra, Nimai
Sum, Tze Chien
Chan, Yinthai
Issue Date: 2012
Source: Liao, Y., Xing, G., Mishra, N., Sum, T. C., & Chan, Y. (2012). Low Threshold, Amplified Spontaneous Emission from Core-Seeded Semiconductor Nanotetrapods Incorporated into a Sol-Gel Matrix. Advanced Materials, 24(23), OP159-OP164.
Series/Report no.: Advanced materials
Abstract: Wet-chemically synthesized CdSe seeded CdS nanotetrapods incorporated into silica matrices have been explored as high performance nanocrystal-based optical amplifiers. Varying the physical dimensions of the tetrapods allowed for room temperature biexcitonic amplified spontaneous emission (ASE) at wavelengths corresponding to either the CdSe core or CdS arms, while higher pump intensities resulted in ASE from a higher CdSe excited state. These results collectively indicate that such heterostructured tetrapods can facilitate tunable, multiple-wavelength lasing across a wide spectral range from a single nanostructure.
URI: https://hdl.handle.net/10356/97461
http://hdl.handle.net/10220/10665
ISSN: 0935-9648
DOI: 10.1002/adma.201200121
Rights: © 2012 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
Fulltext Permission: none
Fulltext Availability: No Fulltext
Appears in Collections:SPMS Journal Articles

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