Studying the Plasmon-Driven Growth of Gold Nanoprisms with NanoSIMS

Learn how NanoSIMS reveals PVP-directed anisotropic growth of gold nanoprisms in plasmon-mediated synthesis with high-resolution elemental mapping.

The Application

The study of noble metal nanostructures—such as gold (Au) or silver (Ag) nanoprisms—is essential for understanding their photochemical growth, plasmon-driven mechanisms, and surface chemistry at the nanoscale. This is crucial for developing next-generation materials in plasmonics, nanophotonics, energy harvesting, and catalysis.

The Challenge

Understanding anisotropic growth in noble metal nanostructures demands extremely high spatial resolution to capture nanoscale morphological changes, simultaneous multielement detection to follow key growth mediators like PVP (polyvinylpyrrolidone) and iodine, and reliable correlation between structural defects and their chemical signatures. It also requires surface analysis sensitivity down to near-ppm levels—capabilities that traditional analytical tools often cannot deliver at once.

Our Unique Solution

Based on the SIMS technique, CAMECA provides the NanoSIMS-HR platform, which combines <30 nm lateral resolution with outstanding isotopic sensitivity and parallel mass detection, enabling researchers to directly visualize:

Mapping of light elements associated with PVP adsorption patterns along nanoparticle perimeters,
Iodine distribution in plasmon-driven synthesis,
Structural–elemental correlations at the single-nanoparticle level.

The NanoSIMS-HR enables high-fidelity mapping of growth mechanisms that other techniques cannot resolve.

Case Study

These capabilities have been demonstrated in major nanoscience studies, including the elucidation of plasmon-driven gold nano prism growth. In this study, advanced NanoSIMS imaging enabled researchers to map light and heavy elements (e.g., nitrogen, iodine, gold) with exceptional sensitivity and lateral resolution.

Growth of noble metal nanostructures NanoSIMS

b,c, NanoSIMS images obtained from the Au nanostructures in a showing the elemental distributions of ¹⁹⁷Au⁻ (red) signals (b) and ¹²C¹⁴N⁻ (green) signals

From: Polyvinylpyrrolidone-induced anisotropic growth of gold nanoprisms in plasmon-driven synthesis. Y. Zhai et al. NATURE MATERIALS.

Best-fit product: CAMECA NanoSIMS-HR

The NanoSIMS-HR is the ideal instrument for nanostructure research. Its capabilities include:

Lateral resolution down to 30 nm, enabling detailed imaging at small scale.
High sensitivity for both light and heavy elements.
Parallel multi-collection, allowing simultaneous detection of up to seven masses.
Direct mapping with minimal sample preparation.

If your research requires correlative elemental, structural, and isotopic nanometer-scale information, NanoSIMS-HR stands as the benchmark solution.

Learn More

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