Synthesis and Characterization of Gold Nanoparticles with Plasmon Absorbance Wavelength Tunable from Visible to Near Infrared Region | Zendy

WeiHong Shi | Zendy; Justin Casas | Zendy; Meenakshi Venkataramasubramani | Zendy; Liang Tang | Zendy

Open Access

Synthesis and Characterization of Gold Nanoparticles with Plasmon Absorbance Wavelength Tunable from Visible to Near Infrared Region

Author(s) -

WeiHong Shi,

Justin Casas,

Meenakshi Venkataramasubramani,

Liang Tang

Publication year - 2012

Publication title -

isrn nanomaterials

Language(s) - English

Resource type - Journals

ISSN - 2090-8741

DOI - 10.5402/2012/659043

Subject(s) - nanorod , absorbance , surface plasmon resonance , materials science , absorption (acoustics) , silver nitrate , wavelength , absorption band , nanostructure , absorption spectroscopy , nanotechnology , analytical chemistry (journal) , pulmonary surfactant , plasmon , silver nanoparticle , yield (engineering) , nanoparticle , chemical engineering , optoelectronics , chemistry , nuclear chemistry , optics , chromatography , composite material , physics , engineering

Gold nanorods with localized surface plasmon resonance (LSPR) can be chemically synthesized. We systematically investigated the effects of reaction parameters and centrifugation on the fine tuning of the rod dimension in scale-up production (80–100 mL). Nanorods of absorption bands from 600–1050 nm were fabricated with precise control of the aspect ratio (AR) from 1.5 to 8.9. Although all chemicals are important in directing the nanostructure, silver ion concentration and seed/Au3

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