A potential naphthyl-thiazole-based organic dye and a ditopic chromogenic probe for CN⁻ and Fe³⁺ with molecular logic functions

Abstract

Dye sensitizers are entities designed primarily to serve the function of harvesting light photons in the functional wavelength, which is centered on charge transfer mechanisms. A metal-free dye sensitizer (J)...

An ESIPT-ICT steered naphthylthioic-based ionic probe with dual emissive channels exhibiting CHEF and CHEQ effects

“…[56][57][58][59][60][61][62] In combination with intramolecular charge transfer (ICT) mechanism, the two (ESIPT and ICT) mechanisms have seen applications extended to optoelectronic materials, solar cells, ion detectors, chemosensors, and thin lm transistors. [63][64][65] The robustness of the two mechanisms (ESIPT and ICT) coupled in a single molecule have been investigated in organic molecules over the past years. Recently, there has been reports on comparative studies and their effects on ESIPT and ICT mechanisms.…”

Chromogenic amide and CHEF-based emissive receptors for Cu 2+ & Co 2+ , as well as biological anions including the notorious CN - : The impact of a molecular chameleon, enticing early career beginners

“…Excessive concentrations of anions in environmental and biological systems are highly detrimental to physiological systems both on land and on water, posing health hazards and environmental problems (17,27,28). Thus, developing easy-to-use and cost-effective monitoring probes is highly paramount in many research establishments (29).…”

A Ruthenium Bipyridyl Molecular Dye Sensitizer and an Excited-State Intermolecular Proton Transfer-Active Colorimetric Probe for Anions, with High Affinity Towards CN− in DMSO

“…Herein, we have designed a ruthenium bipyridyl dye sensitizer (N) based on a naphthyl-thiazole anchoring ligand [30], with good photon absorption characteristics and capable of colorimetrically detect biologically important anions, such as cyanide (CN − ), Fluoride (F − ), Acetate (AcO − ) and hydroxide (OH − ) in dimethyl sulfoxide (DMSO). Moreover, the fact that N contains a naphthyl-thiazole group (1) bearing a hydroxyl group, which has been investigated for both chemosensing and photovoltaic properties in our previous study [31]. Thus, it is logically expected for N to exhibit anion-binding capability, where the acidities of the OH protons are drastically enhanced upon the photoexcitation, and therefore an excitedstate intermolecular proton transfer (ESIPT) channel might be opened [32][33][34].…”