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Relevant bibliographies by topics / Nanoparticle Superlattices

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Journal articles

Academic literature on the topic 'Nanoparticle Superlattices'

Author: Grafiati

Published: 6 September 2023

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Journal articles on the topic "Nanoparticle Superlattices"

1

Ross, Michael B., Jessie C. Ku, Martin G. Blaber, Chad A. Mirkin, and George C. Schatz. "Defect tolerance and the effect of structural inhomogeneity in plasmonic DNA-nanoparticle superlattices." Proceedings of the National Academy of Sciences 112, no. 33 (2015): 10292–97. http://dx.doi.org/10.1073/pnas.1513058112.

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Bottom-up assemblies of plasmonic nanoparticles exhibit unique optical effects such as tunable reflection, optical cavity modes, and tunable photonic resonances. Here, we compare detailed simulations with experiment to explore the effect of structural inhomogeneity on the optical response in DNA-gold nanoparticle superlattices. In particular, we explore the effect of background environment, nanoparticle polydispersity (>10%), and variation in nanoparticle placement (∼5%). At volume fractions less than 20% Au, the optical response is insensitive to particle size, defects, and inhomogeneity in the superlattice. At elevated volume fractions (20% and 25%), structures incorporating different sized nanoparticles (10-, 20-, and 40-nm diameter) each exhibit distinct far-field extinction and near-field properties. These optical properties are most pronounced in lattices with larger particles, which at fixed volume fraction have greater plasmonic coupling than those with smaller particles. Moreover, the incorporation of experimentally informed inhomogeneity leads to variation in far-field extinction and inconsistent electric-field intensities throughout the lattice, demonstrating that volume fraction is not sufficient to describe the optical properties of such structures. These data have important implications for understanding the role of particle and lattice inhomogeneity in determining the properties of plasmonic nanoparticle lattices with deliberately designed optical properties.

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2

Liu, Jiaming, Rongjuan Liu, Zhijie Yang, and Jingjing Wei. "Folding of two-dimensional nanoparticle superlattices enabled by emulsion-confined supramolecular co-assembly." Chemical Communications 58, no. 23 (2022): 3819–22. http://dx.doi.org/10.1039/d2cc00330a.

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3

Prasad, B. L. V., C. M. Sorensen, and Kenneth J. Klabunde. "Gold nanoparticle superlattices." Chemical Society Reviews 37, no. 9 (2008): 1871. http://dx.doi.org/10.1039/b712175j.

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4

Radha, Boya, Andrew J. Senesi, Matthew N. O’Brien, et al. "Reconstitutable Nanoparticle Superlattices." Nano Letters 14, no. 4 (2014): 2162–67. http://dx.doi.org/10.1021/nl500473t.

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5

Park, Daniel J., Jessie C. Ku, Lin Sun, et al. "Directional emission from dye-functionalized plasmonic DNA superlattice microcavities." Proceedings of the National Academy of Sciences 114, no. 3 (2017): 457–61. http://dx.doi.org/10.1073/pnas.1619802114.

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Three-dimensional plasmonic superlattice microcavities, made from programmable atom equivalents comprising gold nanoparticles functionalized with DNA, are used as a testbed to study directional light emission. DNA-guided nanoparticle colloidal crystallization allows for the formation of micrometer-scale single-crystal body-centered cubic gold nanoparticle superlattices, with dye molecules coupled to the DNA strands that link the particles together, in the form of a rhombic dodecahedron. Encapsulation in silica allows one to create robust architectures with the plasmonically active particles and dye molecules fixed in space. At the micrometer scale, the anisotropic rhombic dodecahedron crystal habit couples with photonic modes to give directional light emission. At the nanoscale, the interaction between the dye dipoles and surface plasmons can be finely tuned by coupling the dye molecules to specific sites of the DNA particle-linker strands, thereby modulating dye–nanoparticle distance (three different positions are studied). The ability to control dye position with subnanometer precision allows one to systematically tune plasmon–excition interaction strength and decay lifetime, the results of which have been supported by electrodynamics calculations that span length scales from nanometers to micrometers. The unique ability to control surface plasmon/exciton interactions within such superlattice microcavities will catalyze studies involving quantum optics, plasmon laser physics, strong coupling, and nonlinear phenomena.

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6

Кособукин, В. А. "Спектроскопия плазмон-экситонов в наноструктурах полупроводник-металл". Физика твердого тела 60, № 8 (2018): 1606. http://dx.doi.org/10.21883/ftt.2018.08.46256.18gr.

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AbstractThe results of the theory considering mixed plasmon-excitonic modes and their spectroscopy are presented. The plasmon-excitons are formed owing to strong Coulomb coupling between quasi-two-dimensional excitons of a quantum well and dipole plasmons of nanoparticles. The effective polarizability associated with a nanoparticle is calculated in a self-consistent approximation taking into account the local field determined by in-layer dipole plasmons and their image charges due to the excitonic polarization of a near quantum well. The spectra of elastic scattering and specular reflection of light are investigated in cases of a single silver nanoparticle and a monolayer of such particles situated in close proximity to a quantum well GaAs/AlGaAs. The optical spectra show a two-peak structure with a deep and narrow dip in the resonant range of plasmon-excitons. Propagation of plasmon-excitonic polaritons is discussed for periodic superlattices whose unit cell consists of a quantum well and a layer of metal nanoparticles. The superradiance regime originating in the Bragg diffraction of plasmon-excitonic polaritons by the superlattice is investigated. It is shown that the broad spectrum of plasmonic reflection depending on the number of unit cells in a superlattice also has a narrow dip at the exciton frequency.

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7

Podsiadlo, Paul, Galyna V. Krylova, Arnaud Demortière, and Elena V. Shevchenko. "Multicomponent periodic nanoparticle superlattices." Journal of Nanoparticle Research 13, no. 1 (2010): 15–32. http://dx.doi.org/10.1007/s11051-010-0174-1.

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8

Nishida, Naoki, Edakkattuparambil S. Shibu, Hiroshi Yao, Tsugao Oonishi, Keisaku Kimura, and Thalappil Pradeep. "Fluorescent Gold Nanoparticle Superlattices." Advanced Materials 20, no. 24 (2008): 4719–23. http://dx.doi.org/10.1002/adma.200800632.

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9

Shevchenko, E. V., J. Kortright, D. V. Talapin, S. Aloni, and A. P. Alivisatos. "Quasi-ternary Nanoparticle Superlattices Through Nanoparticle Design." Advanced Materials 19, no. 23 (2007): 4183–88. http://dx.doi.org/10.1002/adma.200701470.

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10

Ouyang, Tianhao, Arash Akbari-Sharbaf, Jaewoo Park, Reg Bauld, Michael G. Cottam, and Giovanni Fanchini. "Self-assembled metallic nanoparticle superlattices on large-area graphene thin films: growth and evanescent waveguiding properties." RSC Advances 5, no. 120 (2015): 98814–21. http://dx.doi.org/10.1039/c5ra22052a.

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