Please use this identifier to cite or link to this item: https://doi.org/10.1002/adma.201200121
Title: Low threshold, amplified spontaneous emission from core-seeded semiconductor nanotetrapods incorporated into a sol-gel matrix
Authors: Liao, Y.
Xing, G.
Mishra, N.
Sum, T.C.
Chan, Y. 
Keywords: amplified spontaneous emission
nanotetrapods
optical gain
sol-gel films
Issue Date: 19-Jun-2012
Citation: Liao, Y., Xing, G., Mishra, N., Sum, T.C., Chan, Y. (2012-06-19). Low threshold, amplified spontaneous emission from core-seeded semiconductor nanotetrapods incorporated into a sol-gel matrix. Advanced Materials 24 (23) : OP159-OP164. ScholarBank@NUS Repository. https://doi.org/10.1002/adma.201200121
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. Copyright © 2012 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
Source Title: Advanced Materials
URI: http://scholarbank.nus.edu.sg/handle/10635/76455
ISSN: 09359648
DOI: 10.1002/adma.201200121
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