We have known of azobenzene for over 150 years, the past 80 of which have seen the study
and application of its photochromism. Azobenzene derivatives are now considered …

Arylazopyrazoles, a novel class of five-membered azo photoswitches, offer quantitative
photoswitching and high thermal stability of the Z isomer (half-lives of 10 and∼ 1000 days) …

Two series of novel thermally stable second-order nonlinear optical (NLO) and
photochromic chromophores have been designed and synthesized. The two series of …

This study was carried out to design heterocyclic azo dyes for dye sensitized solar cells.
Quantum chemical calculations were performed to determine the open-circuit photovoltage …

Synthesis and tautomerism of aryl- and hetaryl-azo derivatives of bi- and tri-heterocycles -
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A new series of low band gap dyes, C1, C2 and S, based on 2-styryl-5-phenylazo-pyrrole
was synthesized. These dyes contain one carboxy, two carboxy and one sulfonic acid …

Three series of bithiophene azo dyes functionalized with thiazol-2-yl or benzothiazol-2-yl-
diazene acceptor moieties were synthesized through azo coupling reaction using 2, 2 …

Ultrasound as green process and an alternative energy source was investigated for the
environmentally benign synthesis of novel benzoxazoles from different azo-linked salicylic …

New kind of azo chromophores containing thiophene moiety and salicyaldimine-based
ligand as side chains have been synthesized by a sequential process for optical sensing of …

The biaryl unit containing a heteroatom is a key structure in a large number of natural
products and π-conjugated organic systems. The cross-couplings can provide powerful …