Research Areas - (4) Single-Particle Imaging

Full path: Chemistry > Physical Chemistry > Single-Particle Imaging

Stephan Link 🔗
University of Illinois Urbana-Champaign 🔗
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Department(s)/lab(s): Chemistry | Link Lab @ UIUC
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Studies photophysics and photochemistry of plasmonic nanomaterials using single-particle optical imaging and ultrafast spectroscopy, with applications to solar energy conversion.

Paul Mulvaney 🔗
University of Melbourne 🔗
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Department(s)/lab(s): School of Chemistry / Bio21 Institute | Mulvaney Nanoscience Laboratory @ UMelb
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Mulvaney directs the ARC Centre of Excellence in Exciton Science and runs Melbourne's nanoscience laboratory. The group's distinctive capability is single-particle and single-emitter optical spectroscopy: photon-antibunching and blinking statistics from individual quantum dots and perovskite nanocrystals, photothermal and dark-field spectroscopy of individual metal nanoparticles, and the electrochemical control of single-nanocrystal charge state. Applications run from LEDs and solar cells to quantum-dot probes for single-particle tracking in cells. Positioned against the established body of NV-ensemble quantum sensing work — DEER, nanoscale NMR and T1 relaxometry protocols operating at pT/sqrt(Hz) field sensitivity — his single-emitter photon-statistics measurements share the shot-noise-limited photon-counting methodology of NV-ensemble ODMR readout, and the group's nanocrystal probes are direct competitors/complements to nanodiamond in cellular sensing. Large, well-resourced group.

Bruno Palpant 🔗
Ecole Normale Superieure Paris-Saclay 🔗
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Department(s)/lab(s): Physics | LuMIn - Nanoplasmonics & Ultrafast (Palpant) @ ENSPS
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Palpant (current LuMIn director) studies ultrafast optical response and thermoplasmonics of metal nanoparticles - photothermal nanoscale heat sources and sensors for photonics and biomedicine. Primary appointment CentraleSupelec; based at the ENS Paris-Saclay LuMIn site. In the broader landscape of NV-centre ensemble quantum sensing (DEER, nano-NMR, T1 relaxometry) operating near pT/sqrt(Hz) sensitivity, this work is adjacent through plasmonic photothermal transduction and sensing.

Richard Tilley 🔗
University of New South Wales 🔗
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Department(s)/lab(s): School of Chemistry | Tilley Nanomaterials and Electron Microscopy Group @ UNSW
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Tilley directs the UNSW Electron Microscope Unit and runs a nanomaterials group whose distinctive capability is in-situ liquid-cell TEM: watching nanoparticle nucleation, growth and catalytic transformation in real time inside the microscope, in liquid, rather than inferring mechanism from before-and-after snapshots. The synthetic side produces magnetic and plasmonic nanoparticles used as biosensor labels and MRI contrast agents, largely in collaboration with Gooding and Reece. Positioned against the established body of NV-ensemble quantum sensing work — DEER, nanoscale NMR and T1 relaxometry protocols operating at pT/sqrt(Hz) field sensitivity — the group is a supplier and characteriser of the nanoparticle probes that in-cell quantum sensing depends on — including the magnetic-nanoparticle labels whose stray fields a pT/sqrt(Hz) NV sensor would actually detect — and the liquid-cell TEM capability is a rare way to validate what those particles are doing in situ. Borderline inclusion (materials characterisation rather than sensing), kept for the collaborative infrastructure it represents.