Chemistry is the experimental and theoretical study of materials on their properties at both the macroscopic and microscopic levels. 2231-57-4, Name is Carbonothioic dihydrazide, molecular formula is CH6N4S. In an article, author is Wang, Yujie,once mentioned of 2231-57-4, Application In Synthesis of Carbonothioic dihydrazide.
A donor-acceptor-donor-type conjugated polymer-modified TiO2 with enhanced photocatalytic activity under simulated sunlight and natural sunlight
A low bandgap donor-acceptor-donor (D-A-D)-type conjugated polymer, poly(3,6-bis(3,4-ethylenedioxythienyl)pyridazine) (poly(EPE)), including 3,4-ethylenedioxythiophene as donor (D) and pyridazine as acceptor (A) units were synthesized. The nanocomposites (poly(EPE)/TiO2) of D-A-D-type conjugated polymer and TiO2 with different weight percentage of poly(EPE) were successfully prepared by an in situ chemical oxidative polymerization method. The structure and morphology of nanocomposites were investigated by Fourier transform infrared spectroscopy, UV-Vis diffuse reflectance spectra (UV-Vis/DRS), scanning electron microscopy images and transmission electron microscopy images. The structural and morphological studies revealed that the poly(EPE) was entrapped in the TiO2 nanoparticles. The photocatalytic activities of nanocomposites were measured by the photodegradation of methyl orange (MO) aqueous solutions under simulated sunlight and natural sunlight irradiation, respectively. The pseudo-first-order kinetic constants of photocatalytic degradation of MO under simulated sunlight and natural sunlight irradiation with 8 wt% poly(EPE)/TiO2 were 4.39 and 4.04 times as great as that of pure TiO2, respectively, exhibiting greater photocatalytic performance.
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Reference:
Pyridazine – Wikipedia,
,Pyridazine | C4H4N2 – PubChem