Excited‐state intramolecular proton transfer (ESIPT) process brings about ultrafast keto‐enol
tautomerism, which simultaneously induces the unique four‐leveled energy state cycle and …

This review aims at providing a broad readership of material and physical chemists, as well
as those interested in ab initio calculations, about recent advances in the fields of dual …

Dyes having coumarin core which absorbs and emits in deep-red to NIR region have
become incredibly valuable due to their essential role in biology, DSSC, NLO materials, and …

This review gathers the hyperpolarizabilities of monomeric azo dyes studied by various
analytical techniques-electric-field-induced second-harmonic generation (EFISHG), hyper …

A rationally designed near-infrared two-photon fluorescent probe (SDP-A) for selectively
detecting cysteine (Cys) has been developed based on a newly designed conjugation …

Excited-state intramolecular proton transfer (ESIPT) dyes typically show strong solid-state
emission, but faint fluorescence intensity is observed in the solution state owing to …

Based on the change in electron distribution of the benzopyrylium unit before and after
sulfite addition, a 2-(2′-hydroxyphenyl) benzothiazole (HBT)-based fluorophore generated …

Abstract 2‐(2'‐Hydroxyphenyl) benzazole (HBX) fluorophores are well‐known excited‐state
intramolecular proton transfer (ESIPT) emitters largely studied for their synthetic versatility …

A rare example of pyrimidine-based ESIPT-capable compounds, 2-(2-hydroxyphenyl)-4-(1 H-
pyrazol-1-yl)-6-methylpyrimidine (HL H), was synthesized (ESIPT─ excited state …

The development of functional materials exploiting excited-state intramolecular proton
transfer (ESIPT) requires a deep understanding of the push–pull balance on their reactivity …