Affiliation:
1. Department of Applied Chemistry Hanyang University ERICA Ansan Republic of Korea
2. Center for Bionano Intelligence Education and Research Hanyang University ERICA Incheon Republic of Korea
3. Department of Mechanical Engineering Incheon National University Incheon Republic of Korea
4. Convergence Research Center for Insect Vectors (CRCIV) Incheon National University Incheon Republic of Korea
5. Department of Chemical and Molecular Engineering Hanyang University ERICA Ansan Republic of Korea
Abstract
AbstractRecently, anisotropic plasmonic nanoparticles with unique optical properties have seen applications in nanomedicine ranging from optical biosensing to bioimaging and drug delivery. For these uses, uniform gold nanoparticles with a very small size and appropriate aspect ratio that maintain optical properties in near‐IR region are desirable. In this study, we synthesized uniform ultra‐small gold nanorods with high yield, using hydroquinone as the reducing agent in the growth solution via the seed‐mediated method. We were able to control the rate of reduction of gold ions by adjusting the volume of hydroquinone, resulting in the controlled growth rate of gold nanorods. Moreover, by adjusting the volume of the gold precursor, we synthesized ultra‐small gold nanorods with dimensions of 16.3 (±2.24) × 5.85 (±0.54) nm (length and diameter). We characterized the ultra‐small gold nanorods by UV–visible‐NIR spectrophotometry, transmission electron microscopy, x‐ray diffraction, and fast Fourier transform techniques.
Funder
National Research Foundation of Korea
Cited by
3 articles.
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