67 Published Papers, Total WOS citations= 2716, h-index= 28, Google Scholar Citations: 3256, h-index=29, i-index=44, Average citations per item: 40.48

Melike Sevim; Begüm Y. Kaplan; Selmiye Alkan Gürsel; Onder Metin,* Ultrasmall Pt nanoparticles assembled on reduced graphene oxide-carbon black hybrids as highly efficient electrocatalysts for polymer electrolyte membrane fuel cells, Materials&Design, 2018, under review.

Paria Eghbali, Bilal Nişancı and Önder Metin, Graphene hydrogel supported palladium nanoparticles as an efficient and reusable heterogeneous catalysts in the transfer hydrogenation of nitroarenes using ammonia borane as a hydrogen source, Pure and Applied Science, 2018, 90, 327–335.

Aydın Hssani, Paria Eghbali, Önder Metin, Monodisperse cobalt ferrite nanoparticles assembled on mesoporous graphitic carbon nitride (CoFe2O4/mpg-C3N4): A magnetically recoverable nanocomposite for enhanced photocatalytic degradation of organic dyes, Journal of Magnetisim and Magnetic Materials, 2018, doi: 10.1016/j.jmmm.2018.02.067.

Aydın Hassani, Gülşah Çelikdağ, Paria Eghbali, Melike Sevim, Semra Karaca, Önder Metin, Heterogeneous sono-Fenton-like process using magnetic cobalt ferrite reduced graphene oxide (CoFe2O4-rGO) nanocomposite for the removal of organic dyes from aqueous solution, Ultrasonic Sonochemistry, 2018, 40, 841-852.

General Information

Our research is driven by the two general aspects in nanoparticles: (1) Chemical synthesis and self-assembly of monodisperse monometallic and bimetallic nanoparticles; (2) Elaboration of the catalysis of as-synthesized nanoparticles in various inorganic or organic reactions. The biggest challenge in heterogeneous catalysis is to increase the surface area of the catalysts, which has a direct effect on the catalytic activity. Reducing the particle size of a heterogeneous catalyst is a promising way of increasing their catalytic activity. An efficient way of increasing catalytic activity is to use the metal nanoparticles which are more active catalysts than the respective bulk metal, owing to their high surface/volume atom ratios. The synthesis of transition metal nanoparticles with controllable size and size distribution are of great importance due to their potential applications in catalysis. The main focus of our research group is the synthesis of high-quality monometallic/bimetallic nanoparticles with monodisperse size and composition-control and to study their catalysis in various organic or inorganic reactions. The following catalytic reactions are studied in our research group: (i) hydrolysis, methanolysis and dehydrogenation of ammonia-borane, (ii) formic acid dehydrogenation, (iii) Suzuki-Miyaura, Heck and Sonogashira cross-coupling reactions, (iv) the reduction of unsaturated organic groups via transfer hydrogenation or tandem reactions, (v) oxidation of alcohols and (vi) dihydroxylation of olefins. We are always open to apply our nanoparticles as catalysts in other important reactions.

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