Surface decoration of MnWO4 nanoparticles with g-C3N4 nanosheets to build hetero-structure and its structural, optical and enhanced visible light photocatalytic activity

In dieser Studie berichten wir über die Synthese von Manganwolframat (MnWO4) / graphitischen Kohlenstoffnitriden (g-C3N4) -Hybridphotokatalysatoren mittels einfacher hydrothermischer Methode. Die vorbereiteten Photokatalysatoren wurden durch Röntgenbeugung (XRD), Transmissionselektronenmikroskopie (TEM), energiedispersive Röntgen- (EDX) -Analyse, Röntgenphotokatelektronenspektroskopie (XPS), Raman-Spektroskopie, Photolumineszenzspektroskopie (PL) und UV-sichtbare Spektroskopie charakterisiert. XRD- und TEM-Ergebnisse zeigen, dass sowohl die reinen als auch die zusammengesetzten Proben eine monokline Wolframitstruktur mit sphärischen Nanopartikeln aufweisen, die auf der Oberfläche von g-C3N4-Platten dekoriert ist. Eine beträchtliche Rotverschiebung in der Absorption und Verengung der Bandlücke (3,02-2,55 eV) zeigt, dass die Photokatalysatorphotorphotorphotorphotorphotorphotorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphyphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorphorph