ACS applied materials & interfaces, volume 9, issue 15, pages 13293-13303

Single-Mode Lasing from “Giant” CdSe/CdS Core–Shell Quantum Dots in Distributed Feedback Structures

Publication typeJournal Article
Publication date2017-04-10
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor9.5
ISSN19448244, 19448252
General Materials Science
Abstract
"Giant" semiconductor quantum dots (GQDs) have tremendous potential for applications in laser devices. Here, CdSe/CdS core-shell GQDs (11 monolayers) have been synthesized as lasing gain material. The photoluminescence decay of the GQD ensemble is single-exponential, and the two-photon absorption cross-section is above 105 GM. This article presents a versatile method for fabrication of CdSe/CdS GQD distributed feedback (DFB) lasers by laser interference ablation. A high-quality surface-relief grating structure can be readily created on the GQD thin films, and the relationship between laser beam intensity and surface modulation depth is studied. With appropriate periods, single-mode lasing emission has been detected from these devices under excitation wavelengths of 400 and 800 nm. The laser thresholds are as low as 0.028 and 1.03 mJ cm-2, with the lasing Q-factors of 709 and 586, respectively. Lasing operation is realized from the direct laser interference-ablated QD DFB structures for the first time.

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GOST Copy
Zhang L. et al. Single-Mode Lasing from “Giant” CdSe/CdS Core–Shell Quantum Dots in Distributed Feedback Structures // ACS applied materials & interfaces. 2017. Vol. 9. No. 15. pp. 13293-13303.
GOST all authors (up to 50) Copy
Zhang L., Liao C., Lv B., Wang X., Xiao M., Xu R., Yuan Y., LU C., Cui Y., Zhang J. Single-Mode Lasing from “Giant” CdSe/CdS Core–Shell Quantum Dots in Distributed Feedback Structures // ACS applied materials & interfaces. 2017. Vol. 9. No. 15. pp. 13293-13303.
RIS |
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RIS Copy
TY - JOUR
DO - 10.1021/acsami.7b01669
UR - https://doi.org/10.1021/acsami.7b01669
TI - Single-Mode Lasing from “Giant” CdSe/CdS Core–Shell Quantum Dots in Distributed Feedback Structures
T2 - ACS applied materials & interfaces
AU - Liao, Chen
AU - Xu, Ruilin
AU - Yuan, Yufen
AU - LU, CHANGGUI
AU - Zhang, Jiayu
AU - Zhang, Lei
AU - Lv, Bihu
AU - Wang, Xinran
AU - Xiao, Min
AU - Cui, Yiping
PY - 2017
DA - 2017/04/10 00:00:00
PB - American Chemical Society (ACS)
SP - 13293-13303
IS - 15
VL - 9
SN - 1944-8244
SN - 1944-8252
ER -
BibTex |
Cite this
BibTex Copy
@article{2017_Zhang,
author = {Chen Liao and Ruilin Xu and Yufen Yuan and CHANGGUI LU and Jiayu Zhang and Lei Zhang and Bihu Lv and Xinran Wang and Min Xiao and Yiping Cui},
title = {Single-Mode Lasing from “Giant” CdSe/CdS Core–Shell Quantum Dots in Distributed Feedback Structures},
journal = {ACS applied materials & interfaces},
year = {2017},
volume = {9},
publisher = {American Chemical Society (ACS)},
month = {apr},
url = {https://doi.org/10.1021/acsami.7b01669},
number = {15},
pages = {13293--13303},
doi = {10.1021/acsami.7b01669}
}
MLA
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MLA Copy
Zhang, Lei, et al. “Single-Mode Lasing from “Giant” CdSe/CdS Core–Shell Quantum Dots in Distributed Feedback Structures.” ACS applied materials & interfaces, vol. 9, no. 15, Apr. 2017, pp. 13293-13303. https://doi.org/10.1021/acsami.7b01669.
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