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Start Over Author "Ozden, Sehmus" Journal acs applied materials & interfaces
8 results on '"Ozden, Sehmus"'

2. Graphene Supported MoS2 Structures with High Defect Density for an Efficient HER Electrocatalysts

Author

Joyner, Jarin, primary, Oliveira, Eliezer F., additional, Yamaguchi, Hisato, additional, Kato, Keiko, additional, Vinod, Soumya, additional, Galvao, Douglas S., additional, Salpekar, Devashish, additional, Roy, Soumyabrata, additional, Martinez, Ulises, additional, Tiwary, Chandra S., additional, Ozden, Sehmus, additional, and Ajayan, Pulickel M., additional

Published
2020
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4. Velcro-Inspired SiC Fuzzy Fibers for Aerospace Applications

Author

Hart, Amelia H. C., primary, Koizumi, Ryota, additional, Hamel, John, additional, Owuor, Peter Samora, additional, Ito, Yusuke, additional, Ozden, Sehmus, additional, Bhowmick, Sanjit, additional, Syed Amanulla, Syed Asif, additional, Tsafack, Thierry, additional, Keyshar, Kunttal, additional, Mital, Rahul, additional, Hurst, Janet, additional, Vajtai, Robert, additional, Tiwary, Chandra Sekhar, additional, and Ajayan, Pulickel M., additional

Published
2017
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5. Graphene Supported MoS2Structures with High Defect Density for an Efficient HER Electrocatalysts

Author

Joyner, Jarin, Oliveira, Eliezer F., Yamaguchi, Hisato, Kato, Keiko, Vinod, Soumya, Galvao, Douglas S., Salpekar, Devashish, Roy, Soumyabrata, Martinez, Ulises, Tiwary, Chandra S., Ozden, Sehmus, and Ajayan, Pulickel M.

Abstract

The development of novel efficient and robust electrocatalysts with sufficient active sites is one of the key parameters for hydrogen evolution reactions (HER) catalysis, which plays a key role in hydrogen production for clean energy harvesting. Recently, two-dimensional (2D) materials, especially those based upon transition metal dichalcogenides such as molybdenum disulfide (MoS2), have gained attention for the catalysis of hydrogen production because of their exceptional properties. Innovative strategies have been developed to engineer these material systems for improvements in their catalytic activity. Toward this aim, the facile growth of MoS2clusters by sulfurization of molybdenum dioxide (MoO2) particles supported on reduced graphene oxide (rGO) foams using the chemical vapor deposition (CVD) method is reported. This approach created various morphologies of MoS2with large edges and defect densities on the basal plane of rGO supported MoS2structures, which are considered as active sites for HER catalysis. In addition, MoS2nanostructures on the surface of the porous rGO network show robust physical interactions, such as van der Waals and π–π interactions between MoS2and rGO. These features result in an improved process to yield a suitable HER catalyst. In order to gain a better understanding of the improvement of this MoS2-based HER catalyst, fully atomistic molecular dynamics (MD) simulations of different defect geometries were also performed.

Published
2020
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6. Ballistic Fracturing of Carbon Nanotubes

Author

Ozden, Sehmus, primary, Machado, Leonardo D., additional, Tiwary, ChandraSekhar, additional, Autreto, Pedro A. S., additional, Vajtai, Robert, additional, Barrera, Enrique V., additional, Galvao, Douglas S., additional, and Ajayan, Pulickel M., additional

Published
2016
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