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Transition in electronic transport properties of graphene nanoribbon due to the adsorption of atoms and molecules

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dc.contributor.authorShakil, Shifur Rahman
dc.contributor.authorSaha, Atanu Kumar
dc.contributor.authorBhuian, Md. Belal Hossain
dc.contributor.departmentDepartment of Electrical and Electronic Engineering
dc.date.accessioned2016-11-27T10:40:44Z
dc.date.available2016-11-27T10:40:44Z
dc.date.issued2015
dc.descriptionThis conference paper was presented in the 10th IEEE International Conference on Nano/Micro Engineered and Molecular Systems, NEMS 2015; Xi'an; China; 7 April 2015 through 11 April 2015 [© 2015 Institute of Electrical and Electronics Engineers Inc.] The conference paper's definite version is available at: http://10.1109/NEMS.2015.7147447en_US
dc.description.abstractThe adsorption effects of gas molecules on semiconducting armchair graphene nanoribbon (A-GNR) are studied considering on the significant changes over current-voltage characteristics, device density of states and electrostatic difference potential. The orientation of gas molecules and adsorption sites play an important role on charge transfer between the graphene surface and the molecules. The charge transfer mechanism is discussed in the light of molecular orbital theory. We have used three gas molecules-CO2, NH3 and NO as adsorbates and chose such orientation that adsorbates can act only as donor. Finally, we have made a conclusion that semiconducting A-GNR shows metallic behaviour after adsorbing optimum number of adsorbates corresponding to the area of A-GNR. Such semiconducting to metal transition can be used as sensing parameters.en_US
dc.description.versionPublished
dc.identifier.citationShakil, S. R., Atanu Kumar, S., & Hossain Bhuian, M. B. (2015). Transition in electronic transport properties of graphene nanoribbon due to the adsorption of atoms and molecules. Paper presented at the 2015 IEEE 10th International Conference on Nano/Micro Engineered and Molecular Systems, NEMS 2015, 375-379. doi:10.1109/NEMS.2015.7147447en_US
dc.identifier.doi10.1109/NEMS.2015.7147447
dc.identifier.isbn978-146736695-3
dc.identifier.urihttp://hdl.handle.net/10361/6993
dc.language.isoenen_US
dc.publisher© 2015 Institute of Electrical and Electronics Engineers Inc.en_US
dc.relation.urihttp://ieeexplore.ieee.org/document/7147447/
dc.subjectDevice density of statesen_US
dc.subjectElectrostatic difference potentialen_US
dc.subjectGas sensoren_US
dc.subjectGraphene nanoribbonen_US
dc.subjectQuasi conductanceen_US
dc.titleTransition in electronic transport properties of graphene nanoribbon due to the adsorption of atoms and moleculesen_US
dc.typeConference Paperen_US

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