Graphene Oxide As Catalyst For The Acetalization Of Aldehydes At Room Temperature

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Hexamolybdenum Clusters Supported on Graphene Oxide: Visible

Graphene oxide (GO), an oxidized form of graphene, conventionally served as a most established precursor for the preparation of reduced graphene oxide, chemically functionalized graphene and graphene-based composites [1-2]. Owing to its rich surface chemistry, high specific surface area and various structural defects,

Adjusting the structure and electronic properties of Carbons

introduced on graphene oxide (GO) due to a large excess of H2SO4 employed in graphite oxidation, as reported by Garcia and co-workers for the room-temperature ring opening of epoxides using methanol and other primary alcohols as nucleophile and solvent.(33) Interestingly, GO at 0.19 wt% exhibited 99% conversion with 97% selectivity towards the

Pickering emulsions assisted synthesis of fatty acetal over

catalyst was exposed to pure anhydrous NH 3 gas at 100 °C for 10 min. Subsequently, the physisorbed ammonia on the catalyst surface was flushed with helium gas at the same temperature. Then, TPD analysis was carried out from room temperature to 800 °C with a heating rate of 10 °C min−1 in a He flow. The desorbed NH 3

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chemical functionalities evolve at room temperature [12]. Furthermore, an increase of temperature induces gradual reduction of oxygen functionalities in the GO [13]. The ease of GO aging and reduction during catalytic reactions under mild to high temperature raised the issue of recyclability of GO for chemical transformations [14].

RSC Advances

graphene oxide as an efficient catalyst Shweta Kumari, a Amiya Shekhar, a Harshal P. Mungse, b Om P. Khatri b,* and Devendra D. Pathak a,* Graphene oxide (GO) , exhibiting high degree of oxygen functionalities and various structural defects, was found to be a highly efficient and cost effective carbocatalyst for the one -pot base -free synthesis of