Multi-ion engineering in low-phonon Nd-based double perovskites enables excitation-programmable multicolor UC/DS emission and record-sensitivity multi-channel optical thermometry for advanced anti-co...

Intrinsic optical bistability in Nd3+-doped KPb2Cl5 avalanching nanoparticles enables high-contrast switching between luminescent and non-luminescent states and transistor-like optical responses. A no...

Graph neural networks built on physically motivated representations enable gradient-based optimization of complex upconverting nanoparticle heterostructures, revealing photophysical design rules and a...

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Nature Computational Science - Graph neural networks built on physically motivated representations enable gradient-based optimization of complex upconverting nanoparticle heterostructures,...

Nature Computational Science - Graph neural networks built on physically motivated representations enable gradient-based optimization of complex upconverting nanoparticle heterostructures,...

Nature Computational Science - Graph neural networks built on physically motivated representations enable gradient-based optimization of complex upconverting nanoparticle heterostructures,...

This study presents ultrasmall, bright lanthanide-doped upconversion nanoparticles that overcome surface quenching, enabling high spatiotemporal resolution tracking of membrane proteins with exception...

The Chan group welcomes inquiries for motivated, creative, and independent researchers at all levels (postdoctoral fellow, graduate students, undergraduates, and visitors), even in the absence of post...

The authors observe out-of-plane ferroelectric polarization induced by interlayer sliding in a multiferroic van der Waals semiconductor. The switching voltage scales down to 0.3 V at room temperature,...

While colloidal nanocrystals hold tremendous potential for both enhancing fundamental understanding of materials scaling and enabling advanced technologies, progress in both realms can be inhibited by...

Squeezing the tiny crystals can dramatically change their photophysics.

Photon avalanche (PA)—where the absorption of a single photon initiates a ‘chain reaction’ of additional absorption and energy transfer events within a material—is a highly nonlinear optical process t...

Photon avalanching (PA) nanomaterials exhibit some of the most nonlinear optical phenomena reported for any material, allowing them to push the frontiers of applications ranging from nanoscale imaging...