Welcome to Li-Lab
Structural Chemistry for Nanophotonics and Quantum Physics

The Li Research Group focuses on controlled synthesis of nanostructured materials and their programmable assembly into superstructures for nanophotonics and quantum physics. Our research explores structural chemistry in single-particle and superlattice levels, studies electron-photon-phonon interactions using steady-state/time-resolved spectroscopy (ps to fs temporal resolution, single-molecule spatial resolution), and develops advanced photonic and quantum materials across different length scales.

(1) Moiré-symmetry nanophotonics: Directed chemical growth and magnetic assembly of moiré photonic lattices made of plasmonic and semiconductor (e.g., quantum dots, perovskites) nanomaterials; The study of electron-photon-phonon interactions in the moiré-symmetry lattices for quantum emission, quantum coherence, lasing, and chiral optics.

(2) Quantum hybrid superlattices: Controlled and programmable assembly of plasmonic and semiconductor nanocrystals into quantum superlattices through chemical bonding (DNA hybridization) or physical interactions (magnetic force); Electrodynamics and excitation/relaxation kinetics studies using steady-state, time-resolved, and transient spectroscopy.

(3) Materials omics in 2D nanocrystal arrays: Polymer pen lithography as high-throughput synthetic platform to prepare millions of nanoparticles/cm2; Integrated with scanning and single-molecule spectroscopy for machine-driven studies of plasmonic, quantum dots, perovskite, and organic nanomaterials to be used in photonics, quantum information science, and energy.