A5084939631- Perovskite Materials and Applications
- Quantum Dots Synthesis And Properties
- Luminescence Properties of Advanced Materials
- Educational Methods and Teacher Development
- Education and Professional Development
- Luminescence and Fluorescent Materials
- Spectroscopy and Quantum Chemical Studies
- Crystal Structures and Properties
- Optical properties and cooling technologies in crystalline materials
- Enterprise Management and Information Systems
- Conducting polymers and applications
- Quantum optics and atomic interactions
- Solid-state spectroscopy and crystallography
- Semiconductor Quantum Structures and Devices
ETH Zurich
2022-2024
Swiss Federal Laboratories for Materials Science and Technology
2022-2024
National University of Food Technologies
2024
Abstract The success of colloidal semiconductor nanocrystals (NCs) in science and optoelectronics is inextricable from their surfaces. functionalization lead halide perovskite NCs 1–5 poses a formidable challenge because structural lability, unlike the well-established covalent ligand capping conventional 6,7 . We posited that vast facile molecular engineering phospholipids as zwitterionic surfactants can deliver highly customized surface chemistries for metal NCs. Molecular dynamics...
Abstract Optimizing the performance of semiconductors in both classical and quantum applications, not only requires a solid understanding elementary excitations such as electrons, holes, or bound electron–hole pairs (excitons), but also their interaction with host material's vibrational states (phonons). Exciton‐phonon coupling is particularly relevant dots (QDs) APbX 3 lead‐halide perovskite (where “A” can be Cs, formamidinium (FA), methylammonium (MA), X Cl, Br, I), new class soft crystal...
Nanocrystal (NC) self-assembly is a versatile platform for materials engineering at the mesoscale. The NC shape anisotropy leads to structures not observed with spherical NCs. This work presents broad structural diversity in multicomponent, long-range ordered superlattices (SLs) comprising highly luminescent cubic CsPbBr3 NCs (and FAPbBr3 NCs) coassembled spherical, truncated cuboid, and disk-shaped building blocks. nanocubes combined Fe3O4 or NaGdF4 spheres cuboid PbS form binary SLs of six...
In lead halide perovskites (APbX3), the effect of A-site cation on optical and electronic properties has initially been thought to be marginal. Yet, evidence beneficial effects solar cell performance light emission is accumulating. Here, we report that A-cation in soft APbBr3 colloidal quantum dots (QDs) controls phonon-induced localization exciton wavefunction. Insights from ab initio molecular dynamics single-particle fluorescence spectroscopy demonstrate anharmonic lattice vibrations...
Abstract The success of colloidal semiconductor nanocrystals (NCs) in science and optoelectronics is inextricable from their surfaces. functionalization lead halide perovskite (LHP) NCs 1-5 poses a formidable challenge due to structural lability, unlike the well-established covalent ligand-capping conventional 6,7 . We posited that vast facile molecular engineering phospholipids as zwitterionic surfactants can deliver highly customized surface chemistries for metal NCs. Molecular dynamics...
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