In 2022,Roy, Bibhisan; Maisuls, Ivan; Zhang, Jianyu; Niemeyer, Felix C.; Rizzo, Fabio; Wolper, Christoph; Daniliuc, Constantin G.; Tang, Ben Zhong; Strassert, Cristian A.; Voskuhl, Jens published an article in Angewandte Chemie, International Edition. The title of the article was 《Mapping the Regioisomeric Space and Visible Color Range of Purely Organic Dual Emitters with Ultralong Phosphorescence Components: From Violet to Red Towards Pure White Light》.Synthetic Route of C6H4Cl2O2S The author mentioned the following in the article:
We mapped the entire visible range of the electromagnetic spectrum and achieved white light emission (CIE: 0.31, 0.34) by combining the intrinsic ns-fluorescence with ultralong ms-phosphorescence from purely organic dual emitters. We realized small mol. materials showing high photoluminescence quantum yields (ΦL) in the solid state at room temperature, achieved by active exploration of the regioisomeric substitution space. Chromophore stacking-supported stabilization of triplet excitons with assistance from enhanced intersystem crossing channels in the crystalline state played the primary role for the ultra-long phosphorescence. This strategy covers the entire visible spectrum, based on organic phosphorescent emitters with versatile regioisomeric substitution patterns, and provides a single mol. source of white light with long lifetime (up to 163.5 ms) for the phosphorescent component, and high overall photoluminescence quantum yields (up to ΦL=20 %). In the experiment, the researchers used 4-Chlorobenzenesulfonyl chloride(cas: 98-60-2Synthetic Route of C6H4Cl2O2S)
4-Chlorobenzenesulfonyl chloride(cas: 98-60-2) belongs to organochlorine compounds. Many organochlorine compounds have been isolated from natural sources ranging from bacteria to humans. Chlorinated organic compounds are found in nearly every class of biomolecules and natural products including alkaloids, terpenes, amino acids, flavonoids, steroids, and fatty acids. Synthetic Route of C6H4Cl2O2S
Referemce:
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics