Molecular systems encompassing more than one photochromic entity can be used to build
highly functional materials, thanks to their potential multi-addressability and/or multi …

Nanoscale structures, including molecules, supramolecules, polymers, functionalized
surfaces, and crystalline/amorphous solids, can commute between two or more forms …

In this perspective, we present an overview of the determination of excited-state properties of
“real-life” dyes, and notably of their optical absorption and emission spectra, performed …

Although chemists, biochemists, biologists, and material scientists are often interested in
using nonlinear optical techniques for characterizing their samples, they seldom have the …

The first hyperpolarizability (β) of representative push–pull π-conjugated compounds has
been calculated at several levels of approximation to assess the effects of electron …

Hyper-Rayleigh scattering (HRS) experiments and quantum chemical calculations are
combined to investigate the second-order nonlinear optical responses of a series of …

Time-dependent Hartree–Fock and Møller–Plesset second-order calculations have been
used to unravel the relationships between structure and first hyperpolarizability in …

The metal–organic framework NH2-MIL-53 (Al) is the first solid-state material displaying
nonlinear optical switching due to a conformational change upon breathing. A switching …

Molecular switches: Highly efficient acido‐and photoswitchable frequency doublers (see
scheme) based on the indolinooxazolidine core are studied by means of hyper‐Rayleigh …

A series of push− pull chromophores comprising a dimethylamino or diphenylamino electron-
donating functionality and a cationic benzothiazolium acceptor with an additional electron …