ArticleNano letters2015
Nanophotonic force microscopy: characterizing particle-surface interactions using near-field photonics.
Article in Nano letters, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed.
- Single-Dimer Formation Rate Reveals Heterogeneous Particle Surface Reactivity.Langmuir : the ACS journal of surfaces and colloids · 2019Article
- Nanophotonic trapping: precise manipulation and measurement of biomolecular arrays.Wiley interdisciplinary reviews. Nanomedicine and nanobiotechnology · 2018Review
- Gap controlled plasmon-dielectric coupling effects investigated with single nanoparticle-terminated atomic force microscope probes.Nanoscale · 2016Article
- Simultaneous Characterization of Nanoparticle Size and Particle-Surface Interactions with Three-Dimensional Nanophotonic Force Microscopy.Physical review applied · 2016Article
- Dynamics of an optically confined nanoparticle diffusing normal to a surface.Physical review. E · 2016Article
- Near-field Light Scattering Techniques for Measuring Nanoparticle-Surface Interaction Energies and Forces.Journal of lightwave technology : a joint IEEE/OSA publication · 2015Article
Corrections and comments
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Authors and funding
4 authors.
Funding
Abstract
Direct measurements of particle-surface interactions are important for characterizing the stability and behavior of colloidal and nanoparticle suspensions. Current techniques are limited in their ability to measure pico-Newton scale interaction forces on submicrometer particles due to signal detection limits and thermal noise. Here we present a new technique for making measurements in this regime, which we refer to as nanophotonic force microscopy. Using a photonic crystal resonator, we generate a strongly localized region of exponentially decaying, near-field light that allows us to confine small particles close to a surface. From the statistical distribution of the light intensity scattered by the particle we are able to map out the potential well of the trap and directly quantify the repulsive force between the nanoparticle and the surface. As shown in this Letter, our technique is not limited by thermal noise, and therefore, we are able to resolve interaction forces smaller than 1 pN on dielectric particles as small as 100 nm in diameter.
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Registered trials
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