Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/140717
Title: Nanocomposites of carbon nanotubes and photon upconversion nanoparticles for enhanced optical limiting performance
Authors: Chen, Kun
Su, Wenhong
Wang, Yue
Ge, Huan
Zhang, Kun
Wang, Yangbo
Xie, Xiaoji
Gomes, Vincent G.
Sun, Handong
Huang, Ling
Keywords: Science::Physics
Issue Date: 2018
Source: Chen, K., Su, W., Wang, Y., Ge, H., Zhang, K., Wang, Y., . . . Huang, L. (2018). Nanocomposites of carbon nanotubes and photon upconversion nanoparticles for enhanced optical limiting performance. Journal of Materials Chemistry C, 6(27), 7311-7316. doi:10.1039/c8tc01576g
Journal: Journal of Materials Chemistry C
Abstract: Studies have proved that large nonlinearities, fast responses, and broadband spectra are pre-requisites for designing materials with good optical limiting performance. Carbon nanotubes (CNTs) have shown promising optical limiting effects with the best performance at 532 nm. However CNTs can only be dissolved in limited types of solvents, such as chloroform, dichlorobenzene, and toluene, making their general processability an actual challenge. On the other hand, photon upconversion nanoparticles (UCNPs) have strong absorption in the near infrared (NIR) region, e.g., 980 nm. Thus, in situ synthesis of nanocomposites containing UCNPs and oxidized CNTs via coordination interactions would provide both solubility in water and good optical limiting behavior in the NIR region. Experimental results have indicated that the optical limiting performance of nanocomposites is better than that of either CNTs or UCNPs, which is reasonable due to synergistic effects. Luminescence decay studies of UCNPs have suggested that Förster resonance energy transfer is responsible for the good optical limiting performance under 980 nm laser illumination.
URI: https://hdl.handle.net/10356/140717
ISSN: 2050-7526
DOI: 10.1039/c8tc01576g
Rights: © 2018 The Royal Society of Chemistry. All rights reserved.
Fulltext Permission: none
Fulltext Availability: No Fulltext
Appears in Collections:SPMS Journal Articles

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