Nanocomposite of hydrophobic cellulose aerogel/graphene quantum dot/Pd: synthesis, characterization, and catalytic application

Abstract

Novel hydrophobic cellulose aerogel (CA) supported graphene quantum dots (GQD)/Pd were synthesized with high lipophilicity, superior porosity as well as high catalytic activity.

Enhanced interfacial adhesion in glass fiber fabric/epoxy composites employing fiber surface treatment with aminosilane-functionalized graphene oxide

“…The peaks at 1029 and 746 cm –1 are attributed to Si−O−Si stretching and bending vibrations, respectively. Besides, new peaks at 2933 and 2876 cm –1 belonging to −CH 2 − stretching vibrations 43 and 1715 cm –1 assigned to C=O typical stretching vibrations come from APS and GO, respectively. Compared with pure GFf, the higher peak intensity at 3427 cm –1 and the presence of C=O bonds can confirm that GO is coated on the fiber surface.…”

Cellulose nanofibrils–graphene hybrids: recent advances in fabrication, properties, and applications

“…15II, intended to be used as a heterogeneous catalyst in the oxidation of reaction of alkenes, ethylbenzene, and alkenes to form carboxylic acids and ketones. 146 They obtained a chemically stable nano-catalyst with a highly effective oil absorption ability. It is claimed that the designed hybrid displays the most critical required characteristics of the next generation of catalysts for which excellent selectivity and high yield under green and mild reaction conditions along with good biocompatibility and recyclability are exhibited.…”

High‐Performance Heterogeneous Thermocatalysis Caused by Catalyst Wettability Regulation

“…Hydrogenation of styrene, [29,31] cinnamaldehyde, [30] phenol, [32] and nitrobenzene [33] Pd/UiO-66@PDMS-60 with 100 % conversion of styrene in 65 min, 75 % reduction in reaction time compared with Pd/UiO-66 [29] Transfer hydrogenation of nitrobenzene [34] and cinnamaldehyde [35] Ni@NCF-700 with 99 % nitrobenzene conversion, 97 % aniline yield and 96 % quinoline yield [34] Oxidation of methane, [37] alcohol, [38] styrene, [39,40] cyclohexane, [41] and indene [42] AuPd@ZSM-5-C 16 with a methane conversion of 17.3 %, almost 2 times higher than that (6.3 %) of AuPd@ZSM-5 [37] Dehydrogenative coupling of organosilanes [43] Pd/XC-72-700-Ar with a TOF of 645300 h À 1 in dehydrocoupling of triethylsilane and H 2 O [43] Chemical fixation of CO 2 [44] ZIF-8/CN foam with a conversion of 100 % in the reaction of epichlorohydrin with CO 2 , higher than those of ZIF-8 (84.1 %) and CN foam (0 %) [44] Hydration of alkynes and epoxides [45] Hβ-75 with a yield of 98 % in hydration of 1,2-epoxycyclohexane [45] Hydrolysis of esters [46] Gel cat. (0.40) with 100 % conversion of silyl ether and 100 % yield of 1-octanol in desilylation of TBDPS-octyl ether [46] Transesterification of methanol with oils [47,48] N-HPC-800 with a yield of 86.1 % in the transesterification of tripalmitin with methanol, higher than those of various classical catalysts [48] Hydrophobicity Rapid diffusion of products…”