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Low Threshold, Amplified Spontaneous Emission from Core‐Seeded Semiconductor Nanotetrapods Incorporated into a Sol–Gel Matrix
Yile Liao1; Guichuan Xing2; Nimai Mishra1; Tze Chien Sum2; Yinthai Chan1,3,4
2012-06-19
Source PublicationAdvanced Materials
ISSN0935-9648
Volume24Issue:23Pages:OP159-OP164
Other 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.

DOIhttps://doi.org/10.1002/adma.201200121
Indexed BySCI
Language英语
WOS Research AreaChemistry ; Science & Technology - Other Topics ; Materials Science ; Physics
WOS SubjectChemistry, Multidisciplinary ; Chemistry, Physical ; Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Physics, Applied ; Physics, Condensed Matter
WOS IDWOS:000305121100010
PublisherWILEY-V C H VERLAG GMBH, POSTFACH 101161, 69451 WEINHEIM, GERMANY
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Citation statistics
Document TypeJournal article
CollectionDEPARTMENT OF PHYSICS AND CHEMISTRY
Institute of Applied Physics and Materials Engineering
Corresponding AuthorYinthai Chan
Affiliation1.Department of Chemistry, National University of Singapore, 3 Science Drive 3, Singapore 117543, Singapore
2.Division of Physics and Applied Physics, School of Physical and Mathematical, Sciences, Nanyang Technological University, 21 Nanyang Link, Singapore 637371, Singapore
3.Institute for Materials Research & Engineering, A*STAR, 3 Research Link, Singapore 117602, Singapore
4.Department of Chemistry, National University of Singapore, 3 Science Drive 3, Singapore 117543, Singapore
Recommended Citation
GB/T 7714
Yile Liao,Guichuan Xing,Nimai Mishra,et al. Low Threshold, Amplified Spontaneous Emission from Core‐Seeded Semiconductor Nanotetrapods Incorporated into a Sol–Gel Matrix[J]. Advanced Materials,2012,24(23):OP159-OP164.
APA Yile Liao,Guichuan Xing,Nimai Mishra,Tze Chien Sum,&Yinthai Chan.(2012).Low Threshold, Amplified Spontaneous Emission from Core‐Seeded Semiconductor Nanotetrapods Incorporated into a Sol–Gel Matrix.Advanced Materials,24(23),OP159-OP164.
MLA Yile Liao,et al."Low Threshold, Amplified Spontaneous Emission from Core‐Seeded Semiconductor Nanotetrapods Incorporated into a Sol–Gel Matrix".Advanced Materials 24.23(2012):OP159-OP164.
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