Author

S. Grillo

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Open access Oct 2026

Excitonic Physics in Emerging 2D Semiconductors: A First-Principles Many-Body Perspective from Photodetection to Solar Energy Conversion.

Chemically and structurally diverse two-dimensional semiconductors exhibit a broad range of excitonic and optical phenomena that have direct implications for optoelectronic functionality. We examine these materials from a first-principles many-body perspective, emphasizing the connection between microscopic excitonic s...

Michele Re Fiorentin, S. Grillo, Fulvio Paleari et al. · Nano letters (Print) · 0 citations

Preprint Oct 2026

Composition-controlled optical fingerprints and anisotropy of self-trapped excitons in double perovskites

Double perovskites (DPs) offer a compositionally versatile platform for photocatalysis and optoelectronics, but their soft lattices favor strong exciton-phonon coupling and self-trapped excitons (STEs), which produce broad, red-shifted photoluminescence (PL). Here, we combine optical spectroscopy and ab initio calculat...

S. Grillo, Offir Zachs Maishlos, Liya Koren et al. · 0 citations