Enhanced photocatalytic performance of ZnO/AgCl composites prepared by high-energy mechanical ball milling

Abstract

Photocatalytic oxidation plays important roles in pollutant degradation and organic synthesis. In this study, a series of ZnO/AgCl composites were prepared by using high-energy mechanical ball-milling method and characterized with...

Synthesis of AgBr/Ti3C2@TiO2 ternary composite for photocatalytic dehydrogenation of 1,4-dihydropyridine and photocatalytic degradation of tetracycline hydrochloride

“…7A , the absorption peak of 1,4-DHP at 374 nm decreased rapidly, companying with the rapid increase at 280 nm. According to the previous literature, the simultaneous peak intensity decrease at 374 nm and increase at 280 nm indicates the dehydrogenation of 1,4-DHP, 53–55 namely the conversion of 1,4-DHP to its pyridine derivatives ( Fig. 7A , inset).…”

“…Active species capture experiment was conducted to explore the three main active species in photocatalytic reaction, 60 ammonium oxalate (AO), benzoquinone (BQ) and isopropanol (IPA) were used as scavengers for h + , ˙O 2 − and ˙OH, respectively. 53 As shown in Fig. 13 , the addition of IPA slightly decreased the degradation of TCH but has little effect on the dehydrogenation of 1,4-DHP, the addition of AO has a little effect on the degradation of TCH, but slightly decreased the dehydrogenation of 1,4-DHP.…”

“…13D), indicating the formation of hydroxyl terephthalic acid (TA-OH), conrmed the generation of cOH on the surface of AgBr/Ti 3 C 2 @TiO 2 composites. 53 According to the results of active species capture experiment, EPR trapping experiment and terephthalic acid-based uorescence experiment, a possible photocatalytic reaction mechanism was proposed (Fig. 14).…”

Coaxial Electrospun Porous Core–Shell Nanofibrous Membranes for Photodegradation of Organic Dyes

“…Considerable intermixing of the two types of particles was also observed, and a heterostructure was formed. The TEM image in Figure 3 d provides further evidence and clearly shows the interface formed by ZnO and AgCl nanoparticles with lattice spacings of 0.260 and 0.196 nm, respectively [ 27 ].…”

“…36-1451) and AgCl (JCPDS card No. 31-1238), respectively [ 27 ]. The characteristic peaks of AgCl and ZnO can be identified in the series of AgCl/ZnO NPs, with no other crystallization peaks present, indicating the high purity of the AgCl/ZnO NPs.…”