Continuous flow synthesis of plasmonic gold patches and nearly-complete nanoshells on polystyrene core particles

Meincke, Thomas; Taylor, Robin N. Klupp

doi:10.1016/j.partic.2022.06.007

Cited by 5 publications

(1 citation statement)

References 60 publications

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“…Interestingly, work by Klupp Taylor et al showed the effect of metal precursor concentration and seed particle concentration on the growth of Au patches on polystyrene seeds, with dendritic patches occurring at both low Au and PS seed concentration and dense protrusions growing away from the PS seed surface occurring at both high Au and PS seed concentration. 26 This switch between growth along the polymer surface to growth away from the polymer surface is fascinating, and may be possible in our system with further study.…”

Section: Synthesis and Characterization Of Plasmonic Nanobowlsmentioning

confidence: 82%

Asymmetric seed passivation for regioselective overgrowth and formation of plasmonic nanobowls

et al. 2022

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Section: Synthesis and Characterization Of Plasmonic Nanobowlsmentioning

confidence: 82%

Asymmetric seed passivation for regioselective overgrowth and formation of plasmonic nanobowls

et al. 2022

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Resonance Quantization in the Absorption Spectra of Concentric Double Gold Nanoshells: A Numerical Study

Alali

2023

Plasmonics

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Concentric double metallic shells (CDMSs) are strong candidates for photothermal-based therapy, wherein they utilize their tuned plasmon resonance in the near-infrared region via particle coupling factor fitting. Tuning the resonance of CDMSs to the desired near-infrared region is crucial considering the shift caused by variations in their design parameters. In this study, we investigated the effects of these parameters using full-wave electromagnetic analysis to highlight the dominant factors affecting the resonance shift in the absorption spectra of CDMSs. With systematic variations, our simulation data outlined the direct influence of the outer and inner nanoshells’ (NS2 and NS1) aspect ratios r2 and r1, respectively, on the coupling factor (rT) aptitude for resonance tuning. For example, a CDMS with r2 = r1 = 0.8 shows coupling manifestation between NS2 and NS1 with rT as low as 0.2. However, we need the value of rT to be at least 0.6 for a CDMS with r2 = r1 = 0.4. Moreover, the dominant factors of the localized surface plasmon resonance shifts were determined by examining the mismatched parameter values of the same particle and found them to be related to NS2. We demonstrated how these factors are related to the complexity of localized surface plasmon resonance peak shifting and splitting in the absorption spectra of CDMSs. Our findings are expected to greatly improve the design of nanoparticles to optimize their responses in photothermal-based applications.

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Detection of PFAS via surface-enhanced Raman scattering: Challenges and future perspectives

Bhavya

Rhakho

Jena

et al. 2023

Sustainable Chemistry for the Environment

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Continuous flow synthesis of plasmonic gold patches and nearly-complete nanoshells on polystyrene core particles

Cited by 5 publications

References 60 publications

Asymmetric seed passivation for regioselective overgrowth and formation of plasmonic nanobowls

Asymmetric seed passivation for regioselective overgrowth and formation of plasmonic nanobowls

Resonance Quantization in the Absorption Spectra of Concentric Double Gold Nanoshells: A Numerical Study

Detection of PFAS via surface-enhanced Raman scattering: Challenges and future perspectives

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