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Tunable Localized Surface Plasmon Resonances in Tungsten Oxide Nanocrystals

Manthiram, Karthish and Alivisatos, A. Paul (2012) Tunable Localized Surface Plasmon Resonances in Tungsten Oxide Nanocrystals. Journal of the American Chemical Society, 134 (9). pp. 3995-3998. ISSN 0002-7863. doi:10.1021/ja211363w.

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Transition-metal oxide nanocrystals are interesting candidates for localized surface plasmon resonance hosts because they exhibit fascinating properties arising from the unique character of their outer-d valence electrons. WO_(3−δ) nanoparticles are known to have intense visible and near-IR absorption, but the origin of the optical absorption has remained unclear. Here we demonstrate that metallic phases of WO_(3−δ) nanoparticles exhibit a strong and tunable localized surface plasmon resonance, which opens up the possibility of rationally designing plasmonic tungsten oxide nanoparticles for light harvesting, bioimaging, and sensing.

Item Type:Article
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URLURL TypeDescription
Manthiram, Karthish0000-0001-9260-3391
Alivisatos, A. Paul0000-0001-6895-9048
Additional Information:© 2012 American Chemical Society. Received 5 December 2011. Published online 23 February 2012. Published in issue 7 March 2012. We thank B. Beberwyck, D. Britt, C. Choi, D. Grauer, P. K. Jain, M. Lucas, Y. Surendranath, and J. Wang for useful discussions and advice. This work was supported by the Joint Center for Artificial Photosynthesis, a DOE Energy Innovation Hub funded by the Office of Science of the U.S. Department of Energy under Award DE-AC02-05CH11231. K.M. gratefully acknowledges the support of the Department of Energy Office of Science Graduate Fellowship Program (DOE SCGF), made possible in part by the American Recovery and Reinvestment Act of 2009 and administered by ORISE–ORAU under Contract DE-AC05-06OR23100. The authors declare no competing financial interest.
Funding AgencyGrant Number
Department of Energy (DOE)DE-AC02-05CH11231
American Recovery and Reinvestment Act of 2009UNSPECIFIED
Department of Energy (DOE)DE-AC05-06OR23100
Subject Keywords:Plasmonic nanoparticles ,Nanoparticles, Electrical conductivity, Surface plasmon resonance, Nanorods
Issue or Number:9
Record Number:CaltechAUTHORS:20220505-565529000
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Official Citation:Tunable Localized Surface Plasmon Resonances in Tungsten Oxide Nanocrystals Karthish Manthiram and A. Paul Alivisatos Journal of the American Chemical Society 2012 134 (9), 3995-3998 DOI: 10.1021/ja211363w
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:114637
Deposited By: George Porter
Deposited On:06 May 2022 19:35
Last Modified:06 May 2022 19:35

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