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Search for "SPR effect" in Full Text gives 13 result(s) in Beilstein Journal of Nanotechnology.

Recent trends in Bi-based nanomaterials: challenges, fabrication, enhancement techniques, and environmental applications

  • Vishal Dutta,
  • Ankush Chauhan,
  • Ritesh Verma,
  • C. Gopalkrishnan and
  • Van-Huy Nguyen

Beilstein J. Nanotechnol. 2022, 13, 1316–1336, doi:10.3762/bjnano.13.109

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  • Bi2WO6 photocatalysts that had been reported in the past. In addition to this, Fe-doped Bi2WO6 has a high degree of stability. The results of this study provide new information on boosting the photoactivity of Fe-doped Bi2WO6. The SPR effect can be obtained by the deposition of metallic elements on a
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Published 11 Nov 2022

Zinc oxide nanostructures for fluorescence and Raman signal enhancement: a review

  • Ioana Marica,
  • Fran Nekvapil,
  • Maria Ștefan,
  • Cosmin Farcău and
  • Alexandra Falamaș

Beilstein J. Nanotechnol. 2022, 13, 472–490, doi:10.3762/bjnano.13.40

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  • the VB of ZnO are excited to the CB, then the electrons are transferred into the Fermi level of Ag elevating it, and from here the electrons are transferred to the LUMO of the analyte molecules. Besides the existence of EM enhancement and CT enhancement due to Ag, the SPR effect of Ag leads to a
  • -sensitized solar cells (DSSCs). Au–ZnO plasmonic nanoparticles were studied for DSSCs application and their enhancement capabilities were assigned to the SPR effect [91]. Hence, the ZnO PL is of great interest and its enhancement is also important in order to develop efficient optoelectronic devices
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Published 27 May 2022

Assessment of the optical and electrical properties of light-emitting diodes containing carbon-based nanostructures and plasmonic nanoparticles: a review

  • Keshav Nagpal,
  • Erwan Rauwel,
  • Frédérique Ducroquet and
  • Protima Rauwel

Beilstein J. Nanotechnol. 2021, 12, 1078–1092, doi:10.3762/bjnano.12.80

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  • from the device with AgNP increased by 30% compared to the device without AgNP. Choi et al. have used a scattering layer of AgNP in order to study the SPR effect, which increased the EQE by 24% in the flexible OLED [49]. Au and AgNP have also been embedded at the interface of the anode and the HTL in
  • enhanced through the SPR effect of AgNP, which in turn could counteract the high external luminance. Thus, the low brightness and short operation lifetime of blue QLED could be improved by using CNT–polymer or CNT–metal oxide nanocomposites as ETL and incorporating AgNP in this layer. Further strategies to
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Published 24 Sep 2021

A review on nanostructured silver as a basic ingredient in medicine: physicochemical parameters and characterization

  • Gabriel M. Misirli,
  • Kishore Sridharan and
  • Shirley M. P. Abrantes

Beilstein J. Nanotechnol. 2021, 12, 440–461, doi:10.3762/bjnano.12.36

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  • AgNPs with light leads to surface plasmon resonance (SPR) effect when the incident light frequency coincides with the frequency of the oscillating electrons on the surface. The surface of AgNPs stores the conducting electrons inside the particles and establishes a restorative force which creates a
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Published 14 May 2021

Construction of a 0D/1D composite based on Au nanoparticles/CuBi2O4 microrods for efficient visible-light-driven photocatalytic activity

  • Weilong Shi,
  • Mingyang Li,
  • Hongji Ren,
  • Feng Guo,
  • Xiliu Huang,
  • Yu Shi and
  • Yubin Tang

Beilstein J. Nanotechnol. 2019, 10, 1360–1367, doi:10.3762/bjnano.10.134

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  • absorption than pristine CBO in the ultraviolet and visible regions, revealing the influence of the SPR effect of Au NPs in the composite system. The morphological features of Au/CBO composite were characterized by using SEM. As can be seen in Figure S2 (Supporting Information File 1), pure CBO exhibits a
  • , which can facilitate the separation of the photogenerated carriers [25]. Au NPs in the composite can be also excited under visible-light illumination due to the SPR effect. The hot electrons of Au NPs near the Fermi level can be excited to the SPR state and transferred to the CB of CBO to participate in
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Published 04 Jul 2019

Hierarchical heterostructures of Bi2MoO6 microflowers decorated with Ag2CO3 nanoparticles for efficient visible-light-driven photocatalytic removal of toxic pollutants

  • Shijie Li,
  • Wei Jiang,
  • Shiwei Hu,
  • Yu Liu,
  • Yanping Liu,
  • Kaibing Xu and
  • Jianshe Liu

Beilstein J. Nanotechnol. 2018, 9, 2297–2305, doi:10.3762/bjnano.9.214

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  • excited to generate electrons, reacting with O2 to form •O2− radicals due to the plasmon resonance (SPR) effect [32]. Based on above analysis, the rational design and construction of Bi2MoO6-based heterostructures is favorable for the separation of charges, leading to a superior activity in pollutant
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Published 27 Aug 2018

Cr(VI) remediation from aqueous environment through modified-TiO2-mediated photocatalytic reduction

  • Rashmi Acharya,
  • Brundabana Naik and
  • Kulamani Parida

Beilstein J. Nanotechnol. 2018, 9, 1448–1470, doi:10.3762/bjnano.9.137

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Published 16 May 2018

Surface-plasmon-enhanced ultraviolet emission of Au-decorated ZnO structures for gas sensing and photocatalytic devices

  • T. Anh Thu Do,
  • Truong Giang Ho,
  • Thu Hoai Bui,
  • Quang Ngan Pham,
  • Hong Thai Giang,
  • Thi Thu Do,
  • Duc Van Nguyen and
  • Dai Lam Tran

Beilstein J. Nanotechnol. 2018, 9, 771–779, doi:10.3762/bjnano.9.70

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  • . Keywords: Au-decorated ZnO; carrier dynamics; gas sensors; photocatalyst; SPR effect; Introduction Inorganic transition metal oxide sensor devices have attracted attention in particular for improving gas sensing, energy conversion, electronics, photocatalysis and optoelectronic devices [1][2][3][4]. Among
  • response/recovery times. The various origins of these properties are commonly assigned to the following two phenomena: (i) a surface plasmon resonance (SPR) effect of plasmonic gold nanoparticles (Au NPs) could certainly take place and contribute to the electrical transport behavior for Au-decorated ZnO
  • faceted ZnO nano- and microstructures [3][43][44], or trapping of surface and/or defect states [5][42]. In our experiment, the plausible photocatalytic mechanism could be related to the high plasmonic effect of the Au NP/ZnO film in which high-energy photoinduced electrons (hot electrons due to SPR effect
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Published 01 Mar 2018

Two-dimensional carbon-based nanocomposites for photocatalytic energy generation and environmental remediation applications

  • Suneel Kumar,
  • Ashish Kumar,
  • Ashish Bahuguna,
  • Vipul Sharma and
  • Venkata Krishnan

Beilstein J. Nanotechnol. 2017, 8, 1571–1600, doi:10.3762/bjnano.8.159

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Published 03 Aug 2017

Thin SnOx films for surface plasmon resonance enhanced ellipsometric gas sensing (SPREE)

  • Daniel Fischer,
  • Andreas Hertwig,
  • Uwe Beck,
  • Volkmar Lohse,
  • Detlef Negendank,
  • Martin Kormunda and
  • Norbert Esser

Beilstein J. Nanotechnol. 2017, 8, 522–529, doi:10.3762/bjnano.8.56

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  • intermediate layer is gold, the effect of the surface plasmon resonance has to be taken into account for the description of the reflection coefficients. Because this phenomenon effects mostly the reflection coefficient of the p-polarized part Rp, the SPR effect can be described by the reflectance = |Rp|2
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Published 28 Feb 2017

Streptavidin-coated gold nanoparticles: critical role of oligonucleotides on stability and fractal aggregation

  • Roberta D'Agata,
  • Pasquale Palladino and
  • Giuseppe Spoto

Beilstein J. Nanotechnol. 2017, 8, 1–11, doi:10.3762/bjnano.8.1

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  • relevant ligands has led to dramatic progresses in both living cells as well as biomolecular diagnostic assays [3][4][5]. In particular, optical sensing exploiting the surface plasmon resonance (SPR) effect has been widely investigated and plays a significant role in biomolecular detection [6][7]. In this
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Published 02 Jan 2017

Characterisation of thin films of graphene–surfactant composites produced through a novel semi-automated method

  • Nik J. Walch,
  • Alexei Nabok,
  • Frank Davis and
  • Séamus P. J. Higson

Beilstein J. Nanotechnol. 2016, 7, 209–219, doi:10.3762/bjnano.7.19

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  • ellipsometric instrument. Interesting results were obtained when studying the SPR effect in gold films coated with a few layers of graphene using both external and internal (TIRE) reflection ellipsometry. Even though graphene itself axhibits no spectral features associated with plasmon oscillations in the above
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Published 08 Feb 2016

Properties of plasmonic arrays produced by pulsed-laser nanostructuring of thin Au films

  • Katarzyna Grochowska,
  • Katarzyna Siuzdak,
  • Peter A. Atanasov,
  • Carla Bittencourt,
  • Anna Dikovska,
  • Nikolay N. Nedyalkov and
  • Gerard Śliwiński

Beilstein J. Nanotechnol. 2014, 5, 2102–2112, doi:10.3762/bjnano.5.219

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  • to the synthesis problem of sensor materials based on the SPR effect. This has been confirmed by using the patterning effect induced by a single laser pulse at 532 nm and intensities up to 1000 mJ/cm2 in a thin Au film deposited onto an ITO substrate [12]. The Au nanoclusters (20–40 nm) produced in
  • structures showing the SPR effect, Au NPs play important role in the construction of electrochemical sensors [55]. This is confirmed by numerous results obtained with the use of Au-modified, conducting oxide materials, such as indium tin oxide, fluorine tin oxide and others. In particular, the ITO substrate
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Published 13 Nov 2014
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