Ce and P123 modified layered double hydroxide (LDH) composite for the synthesis of polypropylene glycol monomethyl ether

Abstract

The application of recyclable heterogeneous catalysts in the production of polypropylene glycol monomethyl ether (MPPG) is of great significance to the green chemical industry.

Anti‐Acidification and Immune Regulation by Nano‐Ceria‐Loaded Mg–Al Layered Double Hydroxide for Rheumatoid Arthritis Therapy

“…[ 23 ] As shown in Figure 1d, the CeO 2 NPs‐loaded LDH (denoted as LDH‐CeO 2 ) has been successfully synthesized in which the CeO 2 NPs can be clearly visulized to be attached on the surface of LDH, as also suggested by the corresponding fast Fourier transform (FFT) image showing the mixed patterns of both crystalline structures of CeO 2 NPs and LDH. [ 24 ] This TEM observation evidences the excellent dispersity of LDH‐CeO 2 in aqueous phase. The high‐angle annular dark‐field scanning transmission electron microscopy (HAADF‐STEM) images indicate the presence of CeO 2 NPs on the surface of LDH (Figure 1e), while the elemental mapping evidences the presence and uniform distributions of Mg, Al, Ce and O elements in the LDH‐CeO 2 (Figure 1e), where the distribution of Ce element is clearly overlapped with that of CeO 2 NPs observed in HAADF‐STEM.…”

Proceeding of catalytic water splitting on Cu/Ce@g-C3N4 photocatalysts: an exceptional approach for sunlight-driven hydrogen generation

“…However, the FTIR results of the Cu/Ce@g-C 3 N 4 catalyst demonstrated that the Ce metal was present in the form of oxides (CeO 2 ) and its vibrations were identified at 500 cm −1 . 44…”

“…However, the FTIR results of the Cu/Ce@g-C 3 N 4 catalyst demonstrated that the Ce metal was present in the form of oxides (CeO 2 ) and its vibrations were identified at 500 cm −1 . 44 TGA Thermogravimetric analyses were conducted to examine the thermal stability, % mass decomposition and preparation mechanism of g-C 3 N 4 catalysts. 45 TGA curves of the precursor melamine and the as-prepared Cu/Ce@g-C 3 N 4 are shown in Fig.…”

Ce-Mn-binuclear LDH based-Cu complex as a potent nanocatalyst for green-synthesis of spiroacridineindoletriones: a comparative study

“…As a result, the larger surface area allows for more active sites 11 , which are effective for removing various contaminants including heavy metals, organic dyes, and anions 12 , as well as catalyzing various reactions, including oxidation, hydrogenation, and acid-base catalysis 13 , LDHs often contain bimetallic active sites that increase the e ciency of electron transfer and the rate of free radical production, and are a promising substrate for catalytic reactions due to their unique properties, affordability, and ability to prevent metal leaching. [14][15][16][17][18] Lanthanides and actinides are the F elements that many researchers use these elements in the structure of LDHs today [19][20] . Cerium is the second and rarest earth element from the lanthanide series with the oxidation and reduction capability of various Ce 3+ /Ce 4+ electronic states 21,22 .…”